sciy4 kit b

Theme 1: INVESTIGATING LIVING THINGS

UNIT 1

UNIT 2

UNIT 3HUMANS HAVE BASIC NEEDS

ANIMALS HAVE BASIC NEEDS

PLANTS HAVE BASIC NEEDSTheme 1Investigating Living Things

Name : _______________________ Class: _______________ Date: _____________SECTION A: OBJECTIVE QUESTIONS

Instruction: Each question is followed by four options, A, B, C and D. Choose the correct answer.1.1 The Basic Needs of Humans

1.What is meant by the basic needs of living things?

ANeeds that are the least used

BNeeds that every living thing must have

CNeeds by living things to survive

DNeeds that found in certain places only

2.Which of the following is not a basic need of humans?

AAir

BWater

CFood

DCar

1.2 Humans Need Food, Water, Air and ShelterFigure 1

3.Why do ancient men live in caves?

ATo help them grow quickly

BTo help them find food

CTo protect themselves from earthquakes

D To protect themselves from danger, the Sun and rain2.1 The Basic Needs of Animals

Figure 2

4.Which of the following is not true about the animals shown in Figure 2?

AThey can move by themselves.

BThey are not living things.

CThey grow bigger as time passes.

DThey need water, air and food.

5.Which of the following are the basic needs of animals?

IWater IIAir

IIIFood IVSunlight

AI and II only BI , II and III only

CII, III, and IV only DI, II, III, and IV

2.2 Animals Need Food, Water, Air and Shelter

XYZ

rabbit

elephantcivet

wolfchicken

bear

Table 1

6.Table 1 shows the classification of animals based on their eating habits. Which of the following animals can be placed in group Z?

AThe mouse BThe eagle

CThe python DThe crocodile

Figure 3

7.Based on Figure 3, animals that can be placed in group K are the

Ibear. IIchicken.

IIIeagle. IVhorse.

AI and II only BI and III only

CII, III, and IV only DI, II, III, and IV

Figure 4

8.Figure 4 shows the foot of a bird. Which of the following is true about the bird?

AIt lives in water. BIt eats plants only.

CIt eats meat only. DIt cannot fly.

Figure 5

9.Based on Figure 5, what happens after a few days?

AThe mosquito larva grows bigger.

BA mosquito appears at the surface of the water.

CThe number of mosquito larvae increases.

DThe mosquito larva dies.

10.Which of the following situations will cause animals to die the fastest?

ADo not have water. BDo not have food.

CDo not have air. DDo not have sunlight.

Figure 6

11.Based on Figure 6, the housefly and the lizard will die because they do not get.

Awater supply. Bfood supply.

Cair supply. D enough space.

12.In which of the following containers does the snail stay alive after five days?

A B

C D

2.3 Types of Shelter of Animals

13.Which animal is not matched correctly?

AnimalShelter

ABirdNest

BMonkeyCave

CMouseHole

DSnakeTree

Unit 3.1 The Basic Needs of Plants

14.Plants get water through their

A roots.

Bstems.

Cfruits.

Dleaves.

15.Plants need water to

Icarry out photosynthesis.

IIgerminate.

IIIcontrol temperature.

IVcarry food.

AI and II only BII and III only

CI, II, and III only DI, II, and IV only

A B

Figure 7

A B

Figure 716.Why is plant A unhealthy compared to plant B?

APlant A has dull leaves.

BPlant A does not like to be in a small space.

CPlant A does not get enough sunlight.

D Plant A has caterpillars on its leaves.

Figure 8

17.Which basic need of the plant is the most difficult to get in the region shown above?

AWater BAir

CSunlight DFood

Figure 9

18.Figure 9 shows a part of the grass being covered with a wooden plank. After two days, it is observed that the part of the grass covered with the wooden plank turns yellow. Why does this happen?

AThe grass covered with the wooden plank does not get water.

BThe grass covered with the wooden plank does not get food.

CThe grass covered with the wooden plank cannot breathe.

DThe grass covered with the wooden plank does not get sunlight.

Figure 10

19.Figure 10 shows some potted plants are left in the sunlight. What will happen if the plants are not watered for a few days?

AThe plants will wilt.

BThe leaves of the plants will become bigger.

CThe leaves of the plants will look more green.

DThe plants will produce roots on the stems to absorb water from the air.

20.All of the following are needed for seeds to germinate except

Awater.

B soil.

Cair.

D a suitable temperature.

Figure 11

21.The experiment in Figure 11 shows that plants need

Asunlight.

Bair.

Cwater.

Dsoil.SECTION B: STRUCTURED QUESTIONS

Instruction: Answer all the questions.

2.1 The Basic Needs of Animals

Figure 1

1.Figure 1 shows an investigation carried out by a pupil to investigate the basic needs of animals. Container A and container B have contents as shown in Figure 1. They are left in the classroom for a week.

(a) i. Predict what happens to the mice in both containers after one week.

______________________________________________________________

______________________________________________________________

ii. State one inference for your answer in (a) i.

______________________________________________________________

______________________________________________________________

(b) i. What is the difference between container A and container B?

______________________________________________________________

ii. State two controlled variables in this investigation.

1.______________________________________________________________

2.______________________________________________________________

(c)Give a reason why the containers are covered with wire gauze and not an airtight cover.

______________________________________________________________

______________________________________________________________

(d) What conclusion can you draw from this investigation?

______________________________________________________________

______________________________________________________________

UNIT 4

UNIT 5

UNIT 6

UNIT 7LIFE PROCESSES THAT HUMANS CARRY OUT

CERTAIN BEHAVIOURS CAN DISTURB LIFE PROCESSES

LIFE PROCESSES THAT ANIMALS CARRY OUT

LIFE PROCESSES THAT PLANTS CARRY OUTTheme 1Investigating Living Things

SECTION A: OBJECTIVE QUESTIONS

Instruction: Each question is followed by four options, A, B, C and D. Choose the correct answer.4.1- The Human Breathing Mechanism1.The gas given out when humans exhale can turn limewater chalky. What gas is it?

AWater vapour

BOxygen

CHydrogen

DCarbon dioxide

2.Which of the following show the correct passage of air during breathing?

ANose ( Mouth ( Lungs ( Windpipe

BNose ( Windpipe( Mouth ( Lungs

CNose ( Mouth ( Windpipe( Lungs

DMouth( Nose( Windpipe( Lungs

3.What is the function of windpipe in human breathing mechanism?

ATo remove waste materials

BTo carry gases in and out of the lungs

CTo carry blood away from the lungs

DTo cause the movement of the chest when breathing

4.2 Excretion and Defecation in Humans

4.Which of the following is not a human excretory organ?

AThe kidney

BThe skin

CThe lungs

DThe mouth

5. Which of the following excretory organs match with the products?

Excretory organProduct

ISkinSweat

IIKidneyUrine

IIILungsFaeces

AI and II only

BI and III only

CII and III only

DI, II and III

6.What is meant by faeces?

AWaste materials from the body

BDigested food

CUndigested food materials

DExcess food in the body

4.3 Response of Humans to Stimuli

7.Which part of the human body responds to a cold object?

AEye

BEar

CSkin

DNose

8.When Ali touches a glass of hot water, he automatically withdraws his hands. Why does he do that?

ATo protect himself from falling down

BTo protect himself from being hurt

CBecause his fingers cannot function

DTo protect himself from pressure

4.4 Reproduction in Humans

9.What conclusion can you draw from the above statement?

AHumans produce offspring.

BHumans respond to stimuli.

CHumans breathe using lungs.

DHumans excrete waste materials.

10.Why do humans need to reproduce?

ITo perpetuate their descendants

IITo increase the number

IIITo maintain the balance of the environment

AI only

BI and II only

CII and III only

DI, II and III

5.1 Habits that Cause Harm to Human Life Processes

11.Which of the following can damage the humans body?

ISmoking

IIDrinking alcohol

IIITaking drugs

IV Taking exercise

AI and II only

BII and III only

CI, II and III only

DI, II, III and IV

5.2 The Effects of Smoking On the Lungs

12.Which of the following is not a harmful effect of smoking?

AStained teeth and bad breath

BHeart disease

CLung cancer

DBrain damage

5.3 Drugs and Alcohol Can Delay a Persons Response to Stimuli

13.Which of the following is a legal drug?

AAntibiotic

BHeroin

CMorphine

DEcstasy

14.What is the effect of alcohol on a person?

AThe persons response to stimuli will be delayed.

BThe alcohol will strengthen muscles.

CThe hearing of the person becomes sharper.

DThe person cannot breathe well.

6.1 Excretion and Defecation in Animals

Figure 115.What is the excretory organ of the above animal?

AGills

BSkin

CKidneys

DLungs

Figure 216.Figure 2 shows a fish. Which of the following parts, labelled A, B, C or D, excretes waste materials from the fish?

6.2 The Animal Breathing Mechanism

17.The breathing structures that enable frogs to breathe on land and in water are the

Igills.

IIskin.

IIIlungs.

IVtracheal structures.

AI and II only

BI and III only

CII and III only

DIII and IV only

18.All of the following animals breathe through tracheal structures except

A B

C D

19.A grasshopper with its head immersed in water will not die by drowning. This is because

Athe grasshopper can breathe in water.

Bthere is air for breathing in water..

Cits breathing structure is located in the abdomen.

Dit can live in water and on land.

20.Which of the following animals breathes using gills?

AThe crocodile BThe tadpole

CThe frog DThe mosquito

6.3 Reproduction in Animals

21.Which of the following animals gives birth to the young?

AThe lizard

BThe crocodile

CThe frog

DThe whale

22.Which of the following animals produce offspring which look different from their parents?

AFish.

BSnake

CMosquito.

DGrasshopper

23.Which of the following statements is false?

ABoth the cow and the rabbit give birth to one young at a time.

BPenguins and sparrows reproduce by laying eggs.

CWhales and horses give birth to their young.

DMice and cats give birth to more than one young at a time.

24.All of the following animals give birth to their young and breastfeed their babies except the

Awhale.

Bdog.

Celephant.

Dcrocodile.

25.Animal X can be placed in the same group as the turtle. Which of the following statements is true about the method of reproduction of animal X?

AIt lays one egg at a time.

BIt looks after its eggs.

CIt lays its eggs on land.

DIts young does not feed on the mothers milk.

26.The animals shown in the list above

Ahave similar physical characteristics.

Blive in the same habitat.

Creproduce by the same method.

Dhave the same eating habits.

Figure 15

Figure 327.The graph in Figure 3 shows the process of

Agrowth. Bbreathing.

Cmovement. Dreproduction

28.Which of the following are living things in groups X and Y?

XY

AButterfly, mosquitoCrab, turtle

BOtter, monitorCrocodile, whale

CMosquito, frogCrocodile, turtle

DSnake, frogTurtle, otter

6.4 Life Cycles of Different Animals

X Y

Figure 4

29.Which of the following animals can be placed in group Y?

AButterfly BChicken

CGrasshopper DBird

7.1 Response of Plants to Stimuli

30.The roots of a plant respond to

Awater. Bsunlight.

Cair. Dtouch.

Figure 531.Figure 5 shows germinating seeds placed inside a bottle. What will happen after a few days?

IThe roots will bend upwards.

IIThe roots will bend downwards.

IIIThe shoots will grow upwards.

IVThe plants will not grow.

AI and II only

BII and III only

CI, II and III only

DII, III and IV only

7.2 Reproduction in Plants

32.Which of the following plants reproduce through stems?

ISugarcane

IIBryophyllum

IIITapioca

IVBegonia

AI and II only

BI and III only

CII and III only

DI, III and IV only

Figure 633.Both plants shown in Figure 6 reproduce through

Aleaves. Bspores.

Cseeds. Dstem- cutting.

34.Plants reproduce in various ways. Which of the following plants reproduce by producing young plants?

IPineapple IIGrass

IIIFerns IVBanana plant

AI and III only BI and IV only

CII and III only D II and IV only

35.Which of the following plants reproduces in the same way as the banana tree?

AGrass

BGinger

CPandanus plant

DTapioca plant

DayThe circumference of the leaves

First3 cm

Fifth8 cm

Eight15 cm

Table 2

36.Table 2 shows the results of an investigation on the size of the leaves of a young plant. Which of the following is true?

AThe young plant is sprouting.

BThe young plant is breathing.

CThe young plant is reproducing.

DThe young plant is growing.

SECTION B: STRUCTURED QUESTIONS


4.1- The Human Breathing Mechanism

Figure 11.Figure 1 shows the breathing process of a human.

(a) How does air flow in P and Q?

P: ______________________________________________________________

______________________________________________________________

Q: ______________________________________________________________

______________________________________________________________

(b) Explain what happens when a human breathes.

______________________________________________________________

______________________________________________________________

(c)Name the main organ involved in the exchange of gases in Figure 2.

______________________________________________________________

(d) What is meant by the rate of breathing?

______________________________________________________________

______________________________________________________________

(e)Smoking is bad for health. Name three substances present in cigarette smoke.

1.______________________________________________________________

2.______________________________________________________________

3.______________________________________________________________

4.2 Excretion and Defecation in Humans

Before exercise After exercise

Figure 22.Figure 2 shows the physical conditions of a pupil before and after exercise.

(a) i. What is the excretory product released during exercise?

______________________________________________________________

ii. Which part of the body produces this excretory product?

______________________________________________________________

(b) Name two other products of human excretion and the organs involved besides the one given in (a)i.

Product of human excretionOrgan

(c)Humans also get rid of faeces through defecation. What is the difference between the products of excretion and faeces?

______________________________________________________________

______________________________________________________________

_____________________________________________________________

UNIT 8ANIMALS PROTECT THEMSELVES Theme 1Investigating Living Things

8.1 Specific Characteristics and Behaviour of Animals that Protect Them from Danger

1.Which of the following labelled parts, A, B, C or D, of the animal below helps to

protect it from enemies?

2.A chicken breeder cuts the metal spur of the fighting cock he rears. This will make it difficult for the cock

Ato find food.

Bto find a mate.

Cto move fast.

Dto fight against its enemy.

3.Which of the following shows the behaviour of a snail that protects it from enemies?

ARuns very fast

BHas a bad smell

CHides its head and body in its hard shell

DReleases poison from its body

4.Which of the following animals cannot be put in the same group as the other three animals, based on the method of self protection?

ACentipede

BSnake

CMillipede

DScorpion

5.Which of the following animals are feared by other animals because of their venom?

IAnteater

IICobra

IIIMillipede

IVSpider

AI and II only

BI and III only

CII and IV only

DI, II, III and IV

6.The animals shown in the list above have a special characteristic to protect themselves from enemies. What is the special characteristic?

ASting

BCamouflage

CBad smell

DHard skin

7.Which of the following animals can perform the same action as animal P when attacked by enemies?

ITurtle

IISnail

IIIAnteater

AI and II only B I and III only

CII and III only D I, II and III

8.2 Specific Characteristics of Animals that Protect Them from Very Hot and Cold Weather

8.An elephant has special characteristics as shown in the list below.

Which of the following special characteristics make the elephant well adapted to hot weather?

AP and Q B R and S

CQ and S D P and R

9.What is the specific characteristic that enables the animals shown in the list above to live in very cold climate?

AThick fur

BA thick layer of fat below the skin

CThe big body size

DThe ability to camouflage

10.Camels can survive in deserts because

A they have small body size.

B they can walk very fast.

C they have thick fur.

D they can store a lot of water.

Figure 111.Which of the following helps the animal shown in Figure 1 to live in a very cold place?

A It has a small body size.

B It has thick fur.

C It has waterproof fur.

D It can move quickly.

8.3 Specific Characteristics and Behaviour of Animals to Enable Them to Survive

12.Why do animals need to have specific characteristics and behaviour to enable them to survive in their natural habitats?

ITo get air, water and food

IITo reproduce

IIITo protect themselves from their enemies and extreme weather

IVTo make them beautiful

AI and II only

B II and III only

CI, II and III only

D I, II, III and IV

13.What will happen if animals do not have specific characteristics to suit the places they live in?

IThey will move out from these places.

IIThey will become stronger.

IIIThey will die out.

IVThey will reproduce actively.

AI and II only

B I and III only

CII and IV only

D I, III and IV only



8.1 Specific Characteristics and Behaviour of Animals that Protect Them From Danger

Rhinoceros Scorpion Anteater

Figure 11.Figure 1 shows three kinds of animals which have special characteristics and behaviour to protect themselves from danger.

(a) Name two special characteristics of the rhinoceros that protect it from danger.

______________________________________________________________

______________________________________________________________

(b) i. What is the anteater doing?

______________________________________________________________

ii. How does this behaviour of the anteater protect itself from its enemies?

______________________________________________________________

______________________________________________________________

(c)Many animals are afraid of scorpions. What is the special characteristic of scorpions which makes them dangerous?

______________________________________________________________

______________________________________________________________

(d)The grasshopper protects itself from its enemies by means of camouflage. How does it do this?

______________________________________________________________

______________________________________________________________

UNIT

9PLANTS PROTECT THEMSELVES Theme 1Investigating Living Things

9.1 Specific Characteristics of Plants that Protect Them from Enemies

Figure 11.The plant shown in Figure 1 normally will not eat by animals because

Ait has bad smell.

Bit is very difficult to see.

Cits size is very small.

Dit is poisonous.

2.The three plants shown in the list above have a certain specific characteristic to protect them. What is the specific characteristic?

APoisonous

BThorny

CBad smell

DProducing latex

3.Which of the following plants have fine hairs that can cause itchiness to humans and animals?

IJackfruit

IIBamboo

IIISugarcane

IVPumpkin

AII and III only

B I, II and III only

CII, III and IV only

D I, II, III and IV

9.2 Specific Characteristics of Plants that Protect Them From Excessive Loss of Water

4.Ali observes that the rubber trees in his fathers rubber estate drop a lot of leaves in the dry season. This is to prevent the rubber trees from

A losing too much water.

B producing less latex.

C being disturbed by animals.

D falling.

5.In which of the following are the plants matched correctly with the adaptation to the dry season?

IRubber tree- drops its leaves

IICoconut tree- drops its leaves

IIIMaize plant- curls its leaves

IVBalsam plant- curls its leaves

AI and II only

BI and III only

CII and IV only

D I, III and IV only

6.Which of the following specific characteristics help the cactus to survive in desert?

IHave long roots to find water

IIHave fleshly stems to store water

IIIHave thin needle leaves to prevent the lose of water

AI and II only

BI and III only

CII and III only

D I, II and III

7.A plant drops almost all its leaves during dry season. The plant stays alive because it can breathe through its

Afruits.

Bflowers.

Cseeds.

Dstem.

9.3 Specific Characteristics of Plants that Protect Them From Strong Winds

8.The specific characteristics stated above show the adaptation of the coconut tree to

Astrong winds.

Bthe cold weather.

Cthe dry and hot conditions.

Dthe loss of water.

9.Which of the following specific characteristics does not protect the plant from strong winds?

AThe angsana tree has buttress roots.

BThe casuarina tree has needle-like leaves.

CThe bamboo plant has very fine hairs.

D The pinang tree has fragmented and irregularly- shaped leaves.



9.2 Specific Characteristics of Plants that Protect Them From Excessive Loss of

Water

Figure 11.Figure 1 shows a plant found in the desert.

(a) What can be said about the plant found in this region?

______________________________________________________________

______________________________________________________________

(b)What other plants are found in this region?

______________________________________________________________

(c)Give two specific characteristics of cactus plants and explain how these specific characteristics help them to survive in the desert.

1.______________________________________________________________

______________________________________________________________

2.______________________________________________________________

______________________________________________________________

UNIT

10 MEASURING LENGTHTheme 2

Investigating Force and Energy

Name: __________________________________Class: ___________Date: ___________


Instruction: Each question is followed by four options, A, B, C and D. Choose the correct answer.

10.1The Different Ways to Measure Length

1.What is meant by length?

APeriod within two events

BA standard unit for length

CPosition of two different places

DMeasurement of the distance between two points

2.Which of the following is not used by the people at ancient time to measured length?

A

B

C

D

Figure 1

3.Based on Figure 1, the length between X and Y is

A5 spans of the finger.

B6 spans of the finger.

C4 cubits.

D6 cubits.

Figure 2

4.What is the length of the table shown in Figure 2?

A3 arm spans

B4 arm spans

C3 cubits

D4 cubits10.2Measuring Tools and Standard Units5.Which of the following is not the standard unit of length?

AMillimetre

BCentimetre

CMetre

DArm span

PupilLength of an arm span

M72 cm

N70 cm

O71 cm

P68 cm

Table 1

6.Table 1 shows the measurement of length of four pupils. The information shows that the arm span

Ais not the unit for length.

Bis not the standard unit for length.

Cis a limited unit for length.

Dis a rare unit to measure length.

7.The unit of measurement used to measure the length of a piece of cloth is

Acentimetre.

Bmetre.

Ckilometre.

Dcubit.

Figure 3

8.Figure 3 shows two groups of units used to measure length. Which of the following can be used to represent X and Y?XY

AArm spanMillimetre

BGramFoot

CFootMillilitre

DKilogramArm span

10.3The Correct Technique of Measuring Length

Figure 4

9.The length of the object RS in Figure 4 is

A5 cm

B6 cm

C7 cm

D8 cm

Figure 5

10.The length of X in Figure 5 is measured from

AP to Q.

BQ to R.

CP to R.

DR to Q.

11.Which of the following shows the correct sequence for the units of the measurement of length in ascending order?

AMetre, millimetre, kilometre, centimetre

BMillimetre, centimetre, metre, kilometre

CCentimetre, millimetre, kilometre

DKilometre, metre, centimetre, millimetre

Figure 612.Based on Figure6, what is the difference in length between pencil A and pencil B?

A2.5 cmB3.5 cm

C4.0 cmD5.0 cm


Instruction: Answer all all the questions.10.1The Different Ways to Measure Length

8.00 am

9.30 am

Figure 1

1.Figure 1 shows the shadows of a tree at different times of the day.

(a)Which shadow is longer?

________________________________________________________________

(b)What is meant by length?

________________________________________________________________

(c)Mark X and Y on the figure to show the length of each shadow.

________________________________________________________________

10.2Measuring Tools and Standard UnitsPupilKumarMajidZakiLee Meng

Length of One Cubit18 cm21 cm20 cm19 cm

Table 1

2.Table 1 shows the sizes of one cubit of four pupils.

(a)Based on the information in Table 1, what inference can you make?

______________________________________________________________________

(b)If each pupil wants to buy a piece of cloth for a dress, which pupil will need the longest piece of cloth? Why?

______________________________________________________________________

______________________________________________________________________

(c)What will happen if a cloth trader asks a few of his workers to use their cubit to measure the cloth for sale?

______________________________________________________________________

______________________________________________________________________

(d)What is the more suitable unit to measure the lengths of pieces of cloth for sale?

______________________________________________________________________

(e)What conclusion can you make from the information in Table 1?

______________________________________________________________________

______________________________________________________________________

Name: ________________________________Class: _____________Date: ________

UNIT

11 MEASURING AREA Theme 2




11.1The Concept of Area

1.Which of the following explain the meaning of area?

IDistance between two points

IILength times width

IIILargeness of one surface

IVPeriod between two moments

AI and II onlyBII and III only

CII and IV onlyDI, III and IV only

2.Which of the following cannot be used as a uniform unit to measure area?

AStoneBStamp

CGraph paperDFloor tile

Figure 1

3.Figure 1 shows part of a paper area cover with 1 sen coins. What is the total area for the paper?

A30 coinsB35 coins

C40 coinsD45 coins

Figure 2

4.A few tiles are arranged as shown in Figure 2. The size of each tile is 10 cm ( 10 cm. What is the area cover by the tiles?

A1 000 cm2B1 100 cm2

C1 200 cm2D1 300 cm2

5.Which of the following objects are suitable to measure a surface area?

ITile

IIRubber band

IIIPencil

IVCoin

AI and II only

BI and IV only

CI, II, and III only

DI, III and IV only

Figure 3

6.The area of rectangle in Figure 3 is 35 cm2. What is the length of X if its width, Y is 5 cm?

A4 cmB6 cm

C7 cmD10 cm

Figure 4

7.What is the total area for P and Q in Figure 4?

A24 cm2

B30 cm2

C36 cm2

D40 cm2

Figure 5

8.The shaded area in Figure 5 is

A4 cm2.B5 cm2.

C6 cm2.D7 cm2.

11.2The Correct Technique of Measuring Area

Figure 6

9.What is the estimated area of the irregular shape shown in Figure 6?

A25 cm2B28 cm2

C30 cm2D32 cm2

Figure 7

10.Figure 7 shows a rectangle. Which of the following is correct for the shaded area?

A(P ( Q) (R ( S)

B(P ( R) (Q ( S)

C(P ( S) (Q ( R)

D(R ( S) (P ( Q)

Figure 8

11.What is the total area for the shaded part in Figure 8?

A11 cm2B12 cm2

C13 cm2D14 cm2


Instruction: Answer all all the questions.11.1The Concept of Area

Figure 1

1.Izhams father wants to buy a new house. Figure 1 shows the plan of the house he chose.

(a)Which is the biggest room?

______________________________________________________________________

(b)Which is the smallest room?

______________________________________________________________________

(c)Izhams father wants to place tiles on the floor for each room. Which room needs the most number of tiles?

______________________________________________________________________

(d)What is meant by area?

______________________________________________________________________

Figure 2

2.Figure 2 shows the cementing of tiles on the floor of the living room of a house. The part shaded are fitted with tiles.

(a)State the area of the following regions based on the number of tiles.

i.The area that has been covered with tiles

___________________________________________________________________

ii.The region that is not covered with tiles

___________________________________________________________________

iii.overall area of the living room

___________________________________________________________________

(b)If the area of a tile is 25 cm3, what is the total floor area of the living room?

______________________________________________________________________

Name: ___________________________________Class: ___________Date: __________

UNIT

12 MEASURING VOLUME Theme 2




12.1Measuring the Volume of a Solid

Figure 1

1.Figure 1 shows the sizes of a cube P and a box Q. How many cubes of P can fill box Q?

A38 cubesB40 cubes

C44 cubesD48 cubes

Figure 2

2.The block in Figure 2 is made up of cubes. The volume for each cube is 27 cm3. What is the volume of the block?

A124 cm3B234 cm3

C324 cm3D414 cm3

Figure 3

3.Figure 3 shows a block made up of 1 cm3 cubes. How many cubes should be added to form a block with a volume of 112 cm3?

A30 unitsB32 units

C35 unitsD40 units

Figure 44.Which of the following statements is/are correct based on Figure 4?

IVolume of 10 blocks M is the same as N.

IIVolume of block N is 10 cm3.

III10 blocks of M form a half volume of block N.

AI only

BIII only

CI and II only

DII and III only

Figure 5

5.Figure 5 shows box M and box N. How many boxes of M can fill box N?

A 72

B 9C6

D18

Figure 6

6.What is the volume of the object in Figure 6?

A20 cm3B30 cm3

C48 cm3D50 cm3

Figure 7

7.The arrangement of the volumes of the three boxes in Figure 7 in ascending order is

AP, Q, R.

BR, Q, R.

CP, R, Q.

DQ, P, R.

12.2Measuring the Volume of a Liquid

8.Azwans brother pours the milk from a bottle into a box until it overflows. This shows that

Athe volume of the milk bottle and the cup are equal.

Bthe volume of the milk bottle is smaller than that of the cup.

Cthe volume of the milk bottle is bigger than that of the cup.

Dthe volume of milk increases in the cup.

9.Daniel is asked to drink 5 ml of cough mixture four times a day. He followed the instruction of doctor for three days. What is the volume of cough mixture he had drank?

A30 mlB40 ml

C50 mlD60 ml10.Which of the following can be used to measure the volume of cooking oil in standard unit?A B

CD

Figure 8

11.The container in Figure 8 can be filled up with 18 cups of water with the volume of 100 cm3 each. What is the volume of the container?

A1 litre

B1.8 litre

C2.8 litre

D8.1 litre

12.Which of the following statements are true?

IVolume is the largeness of space that can be filled with a substance.

IIVolume of 1 cubic centimetre and 1 cubic millimetre are equal.

IIIThe bigger the box is, the smaller is its volume.

IVSolids and liquids have volumes.

AI and II onlyBI and IV only

CI, II and III onlyDI, II, III and IV

Figure 9

13.Figure 9 shows the position of the water level in a measuring cylinder. The volume of the liquid is

A45 ml.B46 ml.

C47 ml.D48 ml.

14.Which of the following are the correct ways to measure liquids using a measuring cylinder?

IThe measuring cylinder must be placed on a level surface.

IIThe eyes of observer must be the same level as the meniscus of liquid.

IIIThe reading is recorded as cm3.

AI onlyBI and II only

CII and III onlyDI, II and III

Figure 10

15.Which of the following statements are true about the investigation in Figure 10?

IVolume of five marbles are 25 cm3.

IIVolume of one marble is 25 cm3.

IIIVolume of the stone is 6 cm3.

AI and II onlyBI and III only


Figure 11

16.Which of the following is/are the correct statement based on Figure 11?

IVolume of stone and scissors are 90 ml.

IIVolume of water increases by 30 ml.

IIIVolume of scissors is 30 ml.

AI only

BIII only

CI and II only

DII and III only


Instruction: Answer all all the questions.12.1

Measuring the Volume of a Solid

Figure 1

1.Figure 1 shows a small cube, P, and two boxes, Q and R.(a) How many cubes P can be filled into

i. box Q?

_______________________________________________________

ii. box R?

_______________________________________________________

(b) State the volume of

i. box Q.

_______________________________________________________

ii. box R.

_______________________________________________________

(c) Which box has the bigger volume?

__________________________________________________________

(d) What does the small cube, P represent?

__________________________________________________________12.2

Measuring the Volume of a Liquid

Figure 2

2.Figure 2 shows two measuring cylinders with the same volume of water. Solids S and T are added to the water in the measuring cylinders separately.

(a)What is the reading of the volume of water in measuring cylinder before the solids are put in?

______________________________________________________________________

(b)i.What is the reading of the measuring cylinder after the solid S is put in?

_____________________________________________________________

ii.What is the reading of the measuring cylinder after the solid T is put in?

_____________________________________________________________

iii.What is the volume of solid T?

_____________________________________________________________

(d)What is the reading of measuring cylinder when a marble with a volume of 15 cm3 is put into the water before either S or T are put in?

_______________________________________________________________________

Name: _________________________________Class: _________Date: __________

UNIT

13 MEASURING MASS Theme 2




13.1Measuring Tools and Standard Units

1.When an astronout goes to the Moon, he finds out that his mass

Aincrease.

Bdecreases.

Cdoes not change.

Ddoubles.

Figure 1

2.The block in Figure 1 is built up of cuboids with the mass 12 g each. What is the mass of the block?

A180 gB200 g

C216 gD220 g

Figure 2

3.Figure 2 shows the lever in a balanced condition. The mass of two small marbles are equal to the mass of a big marble. Which of the following statements is/are true?

IThe mass of a small marble is half of the big marble.

IIThe mass of a small marble is equal to a big marble.

IIIThe mass of a big marble is double that of the small marble.

AII only

BI and II only

CI and III only

DI, II and III

4.The diagrams below show four types of balances. Which balance is commonly used in science investigation to determine the mass of an object?

A

B

C

D

13.2The Correct Technique of Measuring Mass

ThingSugarFish Wheat

flourWatermelon

Mass1.5 kg3 kg350 g3 500 g

Table 1

5.Table 1 shows the things Madam Salmah bought from the market. Which of the following sequence of the mass of the things in ascending order is correct?

ASugar, fish, wheat flour, watermelon

BFish, sugar, watermelon, wheat flour

CWheat flour, sugar, fish, watermelon

DWatermelon, wheat flour, fish, sugar

Figure 3

7.Figure 3 shows four objects of similar sizes but from different materials. Which of the following shows the sequence of the masses of the objects in ascending order?

AMetal sphere, marble, golf ball, pingpong ball

BGolf ball, pingpong ball, metal sphere, marble

CMarble, pingpong ball, golf ball, metal sphere

DPingpong ball, golf ball, marble, metal sphere

Figure 4

7.Based on Figure 4, what conclusion can you make?

ISubstance X has greater mass than substance Y.

IISubstance X is a metal while substance Y is a nonmetal.

IIIThe volume of substance X is bigger than the volume of substance Y.

AI onlyBI and III only

CI and II onlyDII and III only


Instruction: Answer all all the questions.13.1Measuring Tools and Standard Units

Figure 1

1.Figure 1 shows four types of balances.

(a)Name each balances.

P: ____________________________ R: ____________________________

Q: ____________________________

S: ____________________________

(b)i.Which balance is most common used in the market?

________________________________________________________________

ii.Does it measure mass?

________________________________________________________________

(c)Which balances can be used to measure mass?

__________________________________________________________________

13.2The Correct Technique of Measuring Mass

Figure 2

2.Figure 2 show an investigation carried out by Khazim and his friends to compare the mass of a few objects, P, Q, R and S.

(a)Which object has the greatest masss?

______________________________________________________________________

(b)Which objects have the same mass?

______________________________________________________________________

(c)Which object has the smallest mass?

______________________________________________________________________

(d)In this investigation, state the variables that is

i.constant:___________________________________________________________

ii.manipulated: _______________________________________________________

iii.responding: ________________________________________________________

Name: __________________________________Class: ___________Date: _________

UNIT

14 MEASURING TIME Theme 2




14.1The Different Ways to Measure Time

1.Which of the following events can be used to measure time?

ISunrise and sunset

IIAppearance of full moon

IIPath of a meteor



2.What is the similarity between the three events as shown above?

AThey happen continously

BThey repeat unevenly

CThey happen all the time

DThey repeat uniformly

Figure 1

3.A pupil set up four pendulums as shown in Figure 1 to measure time. Which of the following statements are true about the pendulum?

IPendulum P has the slowest swing.

IIPendulum S has the fastest swing.

IIIPendulum R is the last to stop swinging.

AI and II only

BI and III only

CII and III only

DI, II and III


4.Which of the following is equal to 60 minutes?

A1 hourB60 seconds

C1 minuteD1 day

1 minute = 60 seconds

1 hour = X

1 day = 24 hours

5.Based on the information above, what is the value of X?

I60 seconds

II60 minutes

III360 minutes

IV3 600 seconds

AII onlyBI and IV only

CII and IV onlyDIII and IV only

6.Which of the following are used to measure time?

I SecondIIMinute

IIIHourIVDay

AI and II onlyBII and III only

CI, II and III onlyDI, II, III and IV

Figure 2

7.Figure 2 shows the position of the hand in stop-watch after it was stopped when a pupil had run for 200 metres. The time taken by the pupil is

A10 seconds.B30 seconds.

C1 minute.D hour.

8.Fauziah took taxi from her house to bus station at 7.30 pm. She arrived the bus station at 8.15 pm. Calculate the time taken by the taxi.

A30 minutesB45 minutes

C50 minutesD55 minutes


Instruction: Answer all all the questions.14.1The Different Ways to Measure Time

Figure 1

1.Figure 1 shows two types of non-standard tools used to measure time.

(a)Can the sundial be used for the whole day? Why?

______________________________________________________________________

______________________________________________________________________

(b)Can the hourglass be used to measure time for 24 hours? Why?

______________________________________________________________________

______________________________________________________________________

(c)What can you conclude of the use of sundial and hourglass in modern times?

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________


Sport EventChampionship Record

100 metre race12.50 seconds

800 metre race1 minute 45 seconds

Cross-country run 1 hour 25 minutes 30 second

Table 1

2.Table 1 shows the championship record for three sport events of a school.

(a)State the sequence of the units used for measuring time from the smaller unit to the larger unit.

______________________________________________________________________

(b)Based on the information in the table above, what is the relationship between time and the distance covered?

______________________________________________________________________

______________________________________________________________________

(c)What is the suitable tool used to measured time for the 100 metre race and 800 metre events?

________________________________________________________________

(d)Figure 2 below shows the time of two stop-watches. State the time showed by each stop-watch.

P:Q:

Figure 2

Name: ___________________________________Class: ___________Date: _________

UNIT

15 THE IMPORTANCE OF USING

STANDARD UNITS Theme 2




15.1

The Needs of Using Standard Units

1.100 ml is equal to

A1 cm3.

B10 cm3.

C100 cm3.

D1 000 cm3.

2.The mass of a new born baby is 3 500 g. Which of the following is same as the mass of the baby?

A3 kg

B3.5 kg

C35 kg

D350 mg

3.The time of 2 minutes 35 seconds is equal to

A135 seconds.

B140 seconds.

C150 seconds.

D155 seconds.

4.Which of the following time is equal to one day?

A60 minutes

B12 hours

C24 hours

D36 hours5.When two bottles of mineral water are poured into a measuring cylinder, the reading obtained is 1 000 ml. What is the volume of water in a mineral bottle?

A250 ml

B500 ml

C550 ml

D600 ml


Instruction: Answer all all the questions.15.1

The Needs of Using Standard Units

Figure 1

1.Figure 1 shows three cartons of milk of different sizes.

(a)Which carton can be filled with the most milk?

______________________________________________________________________

(b)How is the size of carton related to the amount of milk that it can fill?

______________________________________________________________________

(c) Each carton is printed with the volume of milk contains. What is meant by volume?

______________________________________________________________________

(d)State the unit of volume in each carton.

Carton X: ______________________________________________________________

Carton Y: ______________________________________________________________

Carton Z: ______________________________________________________________

Name: __________________________________Class: _______Date: _____

UNIT

16 THE PROPERTIES OF

MATERIALSTheme 3

Investigating Materials


Instruction: Each question is followed by four options, A, B, C and D. Choose the correct answer.16.1Classification of Objects According to the Materials They are Made Of

1. Which of the following objects is made up of plastic?

A

B

C

D 2. Which of the following pairs is correctly matched?

ObjectMaterial

ACoinMetal

BMarblePlastic

CSpoonRubber

DTowelLeather

3. Which of the following objects is made of wood?

A

B

C

D

4. Which of the above objects can be classified under the same group?

AP and Q

BP and S

CQ and R

DQ and S

Figure 1

5. Figure 1 shows a bicycle made from different materials. The materials are

Imetal.

IIplastic.

IIIrubber.

IVwood.

AI and II only

BII and III only

CI, II and III only

DI, II, III and IV

6. Ahmad put a sponge in a container with water. After a few minutes, he found that there was no water left in the container. This is because the sponge

Ais waterproof.

Babsorbs water.

Cis not shiny.

Dsink in the water.

7.Which of the following is the correct sequence for the ability of material to absorb water starting from the best absorber?

ABook paper ( tissue paper ( newspaper ( cardboard

BTissue paper ( book paper ( newspaper ( cardboard

CCardboard ( newspaper ( book paper ( tissue paper

DTissue paper ( newspaper ( book paper ( cardboard

8.Which of the following objects floats in water?

A

B

C

D

9.The following objects are put into a basin of water. Which of the following objects will float in water?

ICork

IIPolystyrene

IIICoin

IVCardboard

AI and II only

BII and IV only

CI, II and IV only

DI, II, III and IV

10.Four objects, a coin, an eraser, a handkerchief and a book are left in the sun for 15 minutes. Which of the following objects feels hottest when touched?

ACoin

BEraser

CHandkerchief

DBook

11.The materials listed above have the same properties. Which of the following objects can be classified in the group above?

ACopper

BStone

CPlastic

DRattan

Figure 212. Which of the following are the properties of the object K in Figure 2?

ICan support weights

IIElastic

IIIAbsorb water

IV Float on waterAI and II only

B II and IV only

CII and III only

D I, II, III and IV

Figure 3

13. What is the property of the napkin in Figure 3?

AShiny

BAbsorbs water

CCan be stretched

DFloat on water

14. Which of the following properties is/are needed for making a T-shirt of a long distance runner?

IShiny

IICan float on water

IIIAbsorb water

AIII only

BI and III only

CII and III only

DI, II and III

16.2The Properties of Materials

Figure 415. Figure 4 shows four objects, P, Q, R and S. Which object is a good conductor of heat?

AP

BQ

CR

DS

Figure 516.What is represented by P in Figure 5?

AEraser

BBrick

CCoin

DGlass plate

17. An insulator is a material that...

Aabsorbs heat.

Bconducts electricity.

Ccannot conduct electricity.

Dallows light to pass through.

18.Which of the labelled parts, A, B, C and D is an insulator?

19.Which of the following objects allows light to pass through?

I

II

Wooden block

Glass

III

Transparent plastic bag

AII only

BI and II only

CII and III only

DI, II and III

Figure 6

20.Figure 6 shows three categories of materials. X, Y and Z areXYZ

Abookplastic bagpaper

Btransparency sheettracing papertowel

Cplastic bagtransparency sheetpaper

Dtracing paperbookplastic bag

16.3Applying the Knowledge of Properties of Materials in Everyday Life

21.Which of the following materials keeps things hot for a longer time?

APlastic bag

BThermos flask

CSaw dust

DCotton wool

22.100 ml of water at a temperature of 60(C are poured into four different cups as shown below. The hot water in which cup will show the biggest drop in temperature after 5 minutes?

A

B

C

D

Figure 7

23.Figure 7 shows the structure of a thermos flask. What is the parts labelled X and Y?

XY

APlasticVacuum

BVacuumCork

CCorkPlastic

DVacuum Glass

24.A group of pupils brought some ice cubes for a picnic. Which of the following is most suitable for keeping the ice?

A

B

C

D

25.Which of the following is best used to prevent ice from melting quickly?

APlastic bag

BSaw dust

CCotton wool

DNewspaper16.4The Uses of Materials Based on Their Properties

Figure 8

26.Which of the following materials is suitable to make the part labelled P in Figure 8?

AMetal

BCotton

CGlass

DRubber

27.Which of the following materials are used to make a pair of glasses for a short shighted student?

IMetal

IIGlass

IIIRubber

AI and II only

BI and III only

CII and III only

DI, II and III

Figure 9

28.Figure 9 shows a spring cradle for a baby. What is the property of X that enables it to be used as a cradle?

AIt is hard

BA good insulator

CCan be stretched

DA good conductor of heat29.Which of the following material and its property is incorrectly matched?

MaterialProperty

AMetalHard and strong

BGlassTransparent

CRubberConducts electricity

DCotton woolAbsorbs water

Figure 10

30.Figure 10 shows a bicycle wheel. What materials are used to make P and Q?

PQ

ARubberMetal

BMetal Rubber

CPlasticWood

DRubberGlass



16.1Classification of Objects According to the Materials They are Made Of

Figure 1

1.Figure 1 shows some objects collected by Farid. He put all the objects into a big basin filled with water.

(a)What is the aim of Farid?

__________________________________________________________________

(b)What did Farid observe?

__________________________________________________________________

(c)Complete the table below by filling if the objects list can float or sink.

ObjectFloat or sink

Coin

Empty mineral water bottle

Stone

Bottle cork

Marble

Plastic ball

Figure 2

2.A drop of water is added onto a white tile and on a piece of filter paper as shown in Figure 2. The drops of water are observed after one minute.

(a)What is your observation for the water on

i.the filter paper: __________________________________________________

ii.the white tile: ___________________________________________________

(b)Explain the results of your observations as in (a)i. and (a)ii.

__________________________________________________________________

__________________________________________________________________

__________________________________________________________________

__________________________________________________________________

(c)Give two other objects that can absorb water.

1._______________________________________________________________

2._______________________________________________________________

(d)What conclusion can you made from the experiment?

__________________________________________________________________

__________________________________________________________________

16.2The Properties of Materials

Figure 33.Figure 3 shows an electric circuit built by Kevin for an investigation. The investigation is repeated using different materials. The observations for the investigation are recorded in the following table.

MaterialCondition of bulb

Iron nailLight up

Plastic spoonNot light up

WoodNot light up

Copper wireLight up

(a)What is meant by the following terms?

i.Electric condutor: _______________________________________________

ii.Insulator: ______________________________________________________

(b)What is the aim of this experiment?

________________________________________________________________

(c)What inferences can you make from the condition of bulb of the circuit?

i.Iron nail: ______________________________________________________

ii.Plastic spoon: __________________________________________________

iii.Copper wire: ___________________________________________________

Figure 44. Figure 4 shows a study carried out by a pupil to investigate the abbilities of three

objects, X, Y and Z to allow light to pass through.

(a)What can you observe about the leaves behind the objects X, Y and Z?

i.Object X: _______________________________________________________

ii.Object Y: _______________________________________________________

iii. Object Z: _______________________________________________________

(b)State your inferences based on your answers in (a).

i.Object X: _______________________________________________________

ii.Object Y: _______________________________________________________

iii. Object Z: _______________________________________________________

(c)Which among the objects X, Y and Z is a...

i.transparent material: _____________________________________________

ii.translucent material: _____________________________________________

iii.opaque material: _________________________________________________16.3Applying the Knowledge of Properties of Materials in Everyday Life

Figure 55.Figure 5 shows the structure of a thermos flask.(a)State one use of thermos flask?

__________________________________________________________________

(b)Name the parts labelled X, Y and Z.

X: _________________________________

Y: _________________________________

Z: _________________________________

(c)State the function of Y and Z.

Y: _______________________________________________________________

Z: _______________________________________________________________

(d)Give one other material that can keep things hot.

__________________________________________________________________

16.4The Uses of Materials Based on Their Properties

Figure 66.Figure 6 shows an object that we use in our everyday life.

(a)Name the object.

_________________________________________________________________

(b) State the materials used to make P and Q.

P: __________________________________

Q: __________________________________

(c)Why the materials you stated in (b) are used for the parts P and Q?

P: _______________________________________________________________

Q: _______________________________________________________________

(d)In your opinion, why the part R is coated with an insulator?

_________________________________________________________________

Name: __________________________________Class: _______Date: _______

UNIT

17 THE IMPORTANCE IN

REUSING, REDUCING AND

RECYCLING MATERIALSTheme 3



Instruction: Each question is followed by four options, A, B, C and D. Choose the correct answer.17.1Natural and Man-made Materials

Figure 1

1.Figure 1 shows the classification of object into two groups. Which of the following is likely to be object K?

AEraserBLeather bag

CTissue boxDRaincoat

Figure 2

2. Figure 2 shows an object that is made of...

Anatural materials.

Bman-made materials.

Cplastic.

Dmetal.

3. Which of the following classification is correct?

Natural materialMan-made material

A Silk Nylon

B Leather Metal

C Plastic Cotton

D Rattan Rubber

Figure 3

4.The three objects in Figure 3 can be classified as belonging to the same group because they are...

Amade up of metal.

Bmade up of soil.

Cmade up of wood.

Dmade up of rubber.

Figure 4

5.What is the similarity between the two objects in Figure 4?

ABoth of them are made up of soil

BBoth of them are made up of metal

CBoth of them are made up of wood

DBoth of them are made up of plastic

6.Which of the following objects is made up of cotton?

A

B

C

D17.2The Needs of Conserving Materials7.We need to recycle old newspapers and aluminium cans to...

Iconserve materials.

IIreduce pollution.

IIIprevent mosquitoes from breeding.



8.Which of the following objects can be reused?

I

II

III

AI and II only

BI and II only

CII and III only

DI, II and III 9.Which of the following objects can be recycled?

A

B

C

DSECTION B: STRUCTURED QUESTIONS


17.1Natural and Man-made Materials

Figure 11.Figure 1 shows some objects made of different materials.

(a)Classify the objects above in the chart below.

(b) Complete the following table with the materials from which the objects are made.

ObjectsMaterial

Plastic dustbin

Brick

Leather shoes

Tyre

Ceramic

Mineral water bottle

(c)Name another object which is made up of the same material as tyre.

__________________________________________________________________17.2The Needs of Conserving Materials

Figure 22.Figure 2 shows three recycling dustbins placed in a city supermarket.

(a)What is aim of collecting the waste materials this way?

__________________________________________________________________

(b) Based on Figure 5, state the types of waste materials that can be recycled.

1. _______________________________________________________________

2._______________________________________________________________

3. _______________________________________________________________

(c) Are these bins for wet rubbish like left over food? Why?

_________________________________________________________________

(d) What can be done to used plastic food containers instead of throwing them away?

_________________________________________________________________

(e) Explain what is meant by...

i.reuse: __________________________________________________________

ii.recycle: ________________________________________________________

Name: __________________________________Class: _________Date: _______

UNIT

18 RUSTY MATERIALSTheme 3



Instruction: Each question is followed by four options, A, B, C and D. Choose the correct answer.18.1Rusty Objects and Non-rusty Objects

1.The list above are some kitchen items. Which of the objects listed above will not rust?

AR and S BT and U

CR, S and T DR, S and U

Figure 12.The three objects, P, Q and R in Figure 1 are left in the water for a week. Which object will rust?

AObject P BObject Q

CObject R DObject P and object Q

18.2The Factors that Cause Rusting

Figure 23.Figure 2 shows an investigation on rusting. What is the function of the oil?

ATo prevent evaporation

BTo prevent air from dissolving in the water

CTo absorb water vapour in the air

DTo control the water temperature

4.Which of the following are the factors that cause rusting?

IAir

IIWater

IIIHeat

IVSunlight

AI and II only

BI and III only

CI, II and III only

DI, II, III and IV

Figure 3

5. Which nail in Figure 3 will rust after five days?

A R and T B R and S

C R, S and T D S, T and U

Figure 46.Some nails are left in a beaker of water exposed to sunlight. The water turned brown after two weeks. Which of the following is true for the change?

A Heat from the sun reacts with the nail.

B Dust in the air is mixed with the water.

C The nail reacts with the water and the air.

D Water reacts with sunlight.

Figure 57.Figure 5 shows an iron foils in a beaker. The iron foils did not rust after one week because

A there is no air in the beaker.

B there is no water in the beaker.

C the light cannot pass through the beaker.

D there is no air in the water of the beaker.

18.3The Different Ways and the Advantages of Preventing Rusting

Figure 68. What is the method used to prevent the food cans in Figure 6 from rusting?

A Painting the cans

B Wiping the cans with oil

C Coating the cans with tin

D Wrapping the cans with plastic 9.The above list of materials are used to prevent rusting because they...

A last longer.

B are smooth and shiny.

C are air and water resistant.

D can withstand heat.10.Which of the following is the most suitable way to prevent the rusting of the iron parts of a bicycle?

A Paint the bicycle parts

B Coat the bicycle parts with tin

C Wipe the bicycle parts with grease

D Coat the bicycle parts with aluminium

11.The above is a list of the methods to prevent rusting. Which of the following objects use the above methods?

PQ

AKitchen knifeRazor blade

BSawIron can

CHandle of scissorsBody of car

DTin canNeedle



18.1Rusty Objects and Non-rusty Objects

Figure 11.Figure 1 shows an investigation carried out by a group of pupils. The apparatus is left aside for one week.

(a)State the aim of the investigation.

__________________________________________________________________

(b) Classified the objects above into two group.

i.Group 1: _______________________________________________________

ii.Group 2: _______________________________________________________

(c) State the characteristic used for your classification.

i.Group 1: _______________________________________________________

ii.Group 2: _______________________________________________________

(d) What conclusion can you made?

_________________________________________________________________18.2The Factors that Cause Rusting

Figure 22.Figure 2 shows an investigation. The apparatus is left aside for one week.

(a)Write a hypothesis for the investigation.

__________________________________________________________________ (b) Put a (() to show the presence of water and air and (() to show the absence of water and air. Write the condition of nail whether it is rusty or non-rusty.

ApparatusWaterAirCondition

P

Q

R

S

(c)State the thing to...

i.change: ___________________________________

ii.observe: ___________________________________

(d)What is the function of the following material?

i.Dried calcium chloride: ___________________________________________

ii.Oil: ___________________________________________________________

(e) What is your conclusion about this investigation.

_________________________________________________________________

18.3The Different Ways and the Advantages of Preventing Rusting

Figure 33.Figure 3 shows three nails under different condition immersed in water for one week.

(a)What will happen to nails X, Y and Z after one week?

NailXYZ

After one week observation

(b) State the inference for your observation.

__________________________________________________________________

(c)i.What do you expect to change?

_______________________________________________________________

ii.What do you expect to observe?

_______________________________________________________________

(d)What is the function of the paint and the grease in this investigation?

__________________________________________________________________

(e)What conclusion can you made from the investigation?

__________________________________________________________________Name: _______________________ Class : _________________ Date : _____________

THE SOLAR SYSTEMSECTION A: OBJECTIVE QUESTIONS

Instruction:Each question is followed by four options, A, B, C and D. Choose the

correct answer.19.1The Constituents of the Solar System1The Solar System does not include

Astars.

Bthe Sun.

Ccomets.

Dthe Moon.2 The following are three objects.

These objects are considered constituents of the Solar System because they

Areflect sunlight.

Bhave their own orbits.

Cmove around the Sun.

Dmove around the planets.3The information below shows four planets in the Solar System.

Arrange the planets in the correct order, starting with the one furthest away from the Sun.

AP Q S R

BQ R P S

CR P S Q

D S Q P R4Figure 1 shows part of the Solar System.

Figure 1

What planets are X, Y and Z?

XYZ

AMarsMercuryVenus

BVenusMercuryMars

CMarsVenusMercury

DMercuryMarsVenus

5Figure 2 shows the position of an object P in the Solar System. Figure 2

Object P is

Aa comet.

Ban asteroid.

Ca meteoroid.

D a natural satellite.6A planet has the following characteristics.

What planet is it?

A Mars

B Venus

C Saturn

D Neptune7Which of the following statements is true about a natural satellite?

A Every planet has its own natural satellite.

B A natural satellite gives out its own light.

C A natural satellite is bigger than the planet it orbits.

D A natural satellite orbits a planet.8 Figure 3 shows a phenomenon that can be seen occasionally at

night.

Figure 3

Object Y is

A a comet.

B a meteor.

C an asteroid.

D a natural satellite.9What is the planet nearest to the Sun?

A Pluto

B Earth

C Uranus

D Mercury10Which of the following are planets?

IMars

IINeptune

IIIMeteoroid

A I and II only

B I and III only

C II and III only

D I, II and III

11Figure 4 shows the positions of planets R, S and the Earth from the Sun.

Figure 4

Which planets do R and S represent?

RS

AMercuryVenus

BVenusMars

CJupiterMercury

DMarsJupiter

12P, Q and R are objects in the Solar System.

Which of the following statements are true about objects P, Q and R?

IP is a planet.

IIQ is a comet.

IIIR is a natural satellite.

A I and II only

B I and III only

C II and III only

D I, II and III

13Figure 5 shows the five planets furthest from the Sun.

Figure 5

Which planets are J, K, L and M?

JKLM

APlutoUranusSaturnNeptune

BSaturnUranusNeptunePluto

CUranusNeptunePlutoSaturn

DNeptuneSaturnUranusPluto

14Meteors form when...

A meteoroids collide with each other.

B meteoroids move around the Sun.

C meteoroids reflect sunlight to the Earth.

D meteoroids enter the Earths atmosphere.15Table 1 shows the description of objects X, Y and Z in the Solar System.

ObjectDescription

XThe centre of the Solar System

YRocks that float around in space

ZSituated between the planets Mars and Jupiter

Table 1

Which of the following are correctly represented by X, Y and Z?

XYZ

AThe SunMeteoroidsAsteroids

BAsteroidsThe SunMeteoroids

CMeteoroidsAsteroidsThe Sun

DMeteoroidsThe SunAsteroids

16Which of the following diagrams is correct?

A

B

C

D

17The coldest planet in the Solar System is

A Pluto.

B the Earth.

C Venus.

D Uranus18Figure 6 shows a rock in the outer space.

Figure 6

What will be observed if the rock enters the Earths atmosphere?

AA star

BA comet

CA meteor

DAn asteroid19Figure 7 shows the orbit of the Earth and a planet S. Figure 7

Planet S is

APluto.

BSaturn.

CUranus.

DNeptune.

20The following is the order of planets in the Solar System.

Which planet is X?

AMars

B Venus

CUranus

D Mercury21Figure 8 shows a crater on the Earths surface. Figure 8

Which of the following causes the formation of the crater?

AThe Sun

B A comet

CAn asteroid

D A meteorite

22Figure 9 shows some planets in the Solar System.

Figure 9

The asteroid belt is located between

Aplanet P and planet U.

Bplanet P and planet S.

Cplanet R and planet U.

Dplanet Q and planet T.23.The information below describes a constituent of the Solar System.

The constituent of the Solar System is

Aan asteroid.

Ba meteoroid.

Ca comet.

Da natural satellite.24.The information below shows the characteristics of a constituent of the Solar System.

The constituent of the Solar System is

Aan asteroid.

Ba meteoroid.

Ca comet.

Da natural satellite.

25.Where can meteoroids be found in the Solar System?

AAny part of outer space

B In between the planets Mars and Jupiter

C In the Earths atmosphere

DIn the Suns atmosphere

26.Figure 10 shows the orbit of a planet around the Sun.

Figure 10

Which of the following statements is correct?

AThe larger the orbit the longer the planet takes to go round the Sun.

BThe larger the orbit the faster the planet takes to go round the Sun.

CThe size of the orbit is the same for all the planets in the Solar System.

DThe shapes of the orbits of all the planets in the Solar System are different.

19.2The Relative Size and Distance between the Earth, the Moon and the Sun27.Which of the following is true about the comparison between the diameter

of the Moon and that of the Earth?

AThe diameter of the Moon is a quarter the diameter of the Earth.

BThe diameter of the Moon is half the diameter of the Earth.

CThe diameter of the Moon is two thirds the diameter of the Earth.

DThe diameter of the Moon is three quarters the diameter of the Earth.28.Table 2 shows the diameters of three objects.ObjectDiameter/km

X3476

Y1400 000

Z12 700

Table 2

Objects X, Y and Z represent ...XYZ

Athe Moonthe Earththe Sun

Bthe Sunthe Earththe Moon

Cthe Moonthe Sunthe Earth

Dthe Earththe Sunthe Moon

19.3Appreciating the Ideal Location of the Earth in the Solar System

29.Why is the Earth conducive for living things to live?

IIt has air and water.

IIIt has suitable temperature.

IIIIt receives sunlight twice a year.

AI and II only

BI and III only

CII and III only

DI, II and III


Instruction: Answer all the questions.19.1The Constituents of the Solar System1.Figure 1 is drawn by a student to show the movement of the Earth.

Figure 1

(a)State the parts labelled X and Y.

i. X : ______________________________________________________________

ii. Y : _____________________________________________________________

(b)Based on Figure 1, state two movements that are performed by the Earth.

1. ______________________________________________________________

2. ______________________________________________________________

(c)

State the direction of the Earth movement shown in Figure 1.

_______________________________________________________________

_______________________________________________________________

(d)Do all the planets have the same direction of movement? Explain.

________________________________________________________________

________________________________________________________________

________________________________________________________________

________________________________________________________________

2.The information below is recorded by Azim from a website.

(a)

Sketch the position of the asteroid belt and label the two planets that are

mentioned above in Figure 2.

Figure 2

(b)Based on the above article, state three characteristics of asteroids.

1.______________________________________________________________

2. ______________________________________________________________

3. ______________________________________________________________

(c)

Why are asteroids considered a part of the Solar System?

________________________________________________________________

________________________________________________________________

________________________________________________________________

19.2The Relative Size and Distance between the Earth, the Moon and the Sun

3.A student collects some information on the size of the Moon as shown in

Figure 3.

Figure 3

(a)Based on the information above, sketch the comparative sizes

of the Moon and the Earth. Use the length of 1 cm to represent the

diameter of the Moon.

MoonEarth

(b)Assuming the Earth has the size of a glass marble, state an example of an object that can be assumed to have the same size as the Moon.

___________________________________________________________

___________________________________________________________

(c)What conclusion can you draw about the size of the Moon

compared to the size of the Earth?

___________________________________________________________

___________________________________________________________

UNIT

20THE IMPORTANCE OF TECHNOLOGY IN EVERYDAY LIFETheme 5

Investigating Technology


Instruction: Each question is followed by four options, A, B, C and D. Choose the correct answer.20.1 The Limitations of Humans and Devices to Overcome Them

1.Technology has been developed to help humans

Ato see objects in the dark.

Bto improve blur red vision.

Cto see fine microorganisms.

Dto see the stars in the sky.

Activity that can be doneActivity that cannot be done

Memorize 10 telephone numbersMemorize 100 telephone numbers

Lift a 10 kg boxLift a 20 kg box

Swim in waterFly in the air

Table 1

2.What conclusion can be made from the information shown in Table 1?

AHumans can do various activities.

BHumans have different abilities.

CHumans have limited abilities.

DHumans have extraordinary abilities.

3.Which of the following does not show the use of technology?

A

B

C

D

4.Which of the following can be placed in the above group?

ABus BComputer

CTractor D Road

5.Uncle Toh is a furniture maker. What are the important tools which can help him do his work?

IHammer

IIChisel

IIICalculator

IV Wheelbarrow

AI and II only BI and IV only

CI, II and III only DII, III and IV only

Figure 1

6.Figure 1 shows a child who wishes to observe a bird on a tree at the other side of the river. Which of the following devices can help the child?

ABinoculars BMagnifying glass

CMicroscope DTelescope

7. Which of the following activities involve technology?

I

II

III

IV

AI and II only

BI and III only

CIII and IV only

DI, II and IV only

Figure 2

8.The device shown in Figure 2 helps to overcome the limitation of the human

Abrain. Bbody.

Ceye. Dear.

Figure 3

9.What is the disadvantage of the device shown in Figure 3 compared with the human being?

ICannot think

IICannot differentiate between good and bad behaviour

IIICan do a lot of work quickly without rest

AI only

BII only

CI and II only

DI, II, and III

Figure 410.The device shown in Figure 4 enables humans

Ato lift heavy objects.

Bto plough fields easily.

Cto move fast.

Dto climb hills.

11.A farmer wants to pluck rambutans from a tall tree. Devices that can help him are

Ia ladder

IIa long pole

IIIa rope

IVa knife

AI and II only

BI and III only

CI, II and IV only

DII, III and IV only



20.1 The Limitations of Humans and Devices to Overcome Them

Figure 1

1.Figure 1 shows the use of different devices to overcome the limitations of humans.

(a) Name devices X and Y.

X :______________________________________________________________

Y: ______________________________________________________________

(b) Why do humans need the devices?

______________________________________________________________

(c)How are the devices used to overcome the limitations of humans?

______________________________________________________________

______________________________________________________________

(d) For each of the following limitations, state the device which can be used to overcome it.

Human limitationDevice

i. Inability to hear heartbeat

ii. Inability to solve complicated mathematical problems

iii. Inability to speak loud enough

to be heard in a hall

iv. Inability to speak to a person who is far away

PQRS

Figure 2

2.Figure 2 shows different activities carried out by humans.

(a) i. Which activities involve the use of technology?

______________________________________________________________

ii. Explain your answer in (a)i.

______________________________________________________________

______________________________________________________________

(b) Which activities do not involve the use of technology? Why?

______________________________________________________________

______________________________________________________________

(c)Explain the meaning of technology.

______________________________________________________________

______________________________________________________________

UNIT

21DEVELOPMENT OF TECHNOLOGYTheme 5

Investigating Technology


Instruction: Each quest

sciy4 kit b

Documents