DPS-Modern Indian School, Al Wakra Qatar

Subject: GENERAL SCIENCE

Assignment: October 2016

Name: __________________ Date of sub. : 31/10/16

Class: V Sec: ________ Grade: ________

Topics: Ls-4. Bones and Muscles

Ls-5. The Nervous System

Ls-4. Bones and Muscles

I. Fill in the blanks:

a) Bones are muscles give _________ to the body

b) Correct _________ makes all parts of our body work well.

c) The bones that protect your heart and lungs are called        ___________ .

d) Do not _________ while sitting.

e) The _________ covers our bones and muscles.

f) All parts of the _________ are held together by bones

g) Our body is made of _________ and muscles.

h) There are _________ bones in our body.

i) The three functions of the skeletal system are _____________, _____________ , and

_________________.

j)          joint work like a door. They can bend back and forth in only one

direction.

Help Box- support, posture, rib cage, hinge, protection, stoop, skin, shape, movement, body, Bones, 206 .

II. Multiple choice questions:

1. Bones, ligaments and cartilage form the                   .

a) skeletal system

b) muscular system

c) respiratory system

d) circulatory system

2. The bones in your spine are called                .

a) Cartilage

b) Little bones

c) Ribs

d) Vertebrae

3. The sort of substance that cushions the ends of bones and form flexible parts like the ear and nose is               .

a) tendon

b) ligaments

c) cartilage

d) joints

4. This system allows the body to move.

a) circulatory

b) respiratory

c) excretory

d) muscular

5. This system includes the bones in our body.

a) skeletal

b) muscular

c) circulatory

d) nervous

6. What connects the knee cap to the rest of the knee joint?

a. muscle

b. bone

c. ligaments

d. plasma

7. The following are the functions of the skull, except:

a. Protects our brain from injury

b. Connects the spinal cord to the brain nerve cells

c. Provides structural shape and design for the head and face

8. Where will you find cardiac muscle?

a) The lungs

b) The feet

c) The brain

d) The heart

9. Mark 4 things that are true about cartilage.

a) It is at the ends of bones where they contact other bones.

b) It breaks easily.

c) It is in the bendy part of your nose.

d) It is firm but slightly bendable.

e) It absorbs shock well.

f) It disappears by the time a child is 4 years old.

10. In what way are tendons and ligaments different?

a) Ligaments connect muscles to bones and tendons connect bones to bones.

b) Ligaments connect muscles to muscles and tendons connect muscles to bones

c) Ligaments connect bones to bones and tendons connect muscles to bones.

d) Ligaments connect tendons to tendons and tendons connect ligaments to bones.

III. Word search:

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SCAPULAE

SPINE

CARTILAGE

LIGAMENTS

PIVOT JOINT

TARSALS

SPONGY BONE

FRACTURE

CALLUS

METACARPALS

CALCANEUS

FEMUR

SKELETON

SACRUM

PATELLA

OSSIFICATION

CRANIUM

PHALANGES

METATARSALS

IV. Label the diagram: (with help of the clues given)

V. Identify the joints from the pictures given below :

Ls-5. The Nervous System

I. Choose the correct answer:

1. Without the nervous system, you could not:

a. Eat

b. Breathe

c. Think

d. All of the above

2. The three basic parts of the nervous system are:

a. Brain, veins, nerves

b. Brain , spinal cord , nerves

c. Brain, arteries, nerves

3. Alyssa hurt her knee. Which part of the nervous system is responsible for

transmitting information to the brain about Alyssa’s hurt knee?

a. Nerves

b. Brain stem

c. Spinal cord

4. The following are the functions of the spinal cord except:

a. It controls body functions by sending and receiving messages to the body.

b. It helps keep our body straight and upright.

c. It helps connect the various organs of the body to the brain.

5. The ________sends and receive messages through the _______, while the

__________sends and receives messages through the _________.

a. Spinal cord – brain, brain – spinal cord

b. Brain – spinal cord, nerve cells, spinal cord.

c. Brain – nerve cells, spinal cord - brain.

6. Chirag is determined to win the running marathon. Which nerve in our

Nervous system will push his muscles to run faster?

a. Sensory nerve

b. Motor nerve

c. Mixed nerve

7. Which of the following statements is true?

a. The nerve part of our nervous system is made of nerve cells joined together to form a network throughout the body.

b. Reflex actions are controllable immediate reactions to a situation.

c. Response action and reflex action are the same.

8. Which part of the brain controls your balance, movement and coordination?

a. cerebrum

b. cerebellum

c. medulla or brain stem

9. The following are false of the cerebrum, except:

a. The right half of the cerebrum controls the right side of the body, and the left half controls the left side.

b. It is the thinking part of the brain

c. It helps us to keep our balance

10. Which part of the brain keeps your heartbeat and your breathing regular?

a. cerebrum

b. cerebellum

c. medulla or brain stem

II. Label the diagram: (with help of the clues given)

III. Complete the chart as in the example:

· You touch a very hot object

1.Nerves at your finger sense the hot object

2.Brain receive and then send signals

3. You withdraw the hand almost inmediately

· A ball is coming to your face

Your brain sends signals back: close your eyes and raise your hands

Your sight (visual nerves ) see the ball and sends signals to the brain.

You close your eyes but also try to avoid the impact by raising your hands

IV. Label the diagram of the human eye and ear: (use the word bank given below)

V. Complete the crossword puzzle:

interneuron

Sense

Effector

Receptor

Taste

Cerebellum

Synapse

Peripheral

Reflex

Dendrite

Axon

Neuron

Stimulus

Cerebrum

Central

Sensory neuron

Motor neuron

Sense

Cell body

medulla

THIS TABULAR CHART NEEDS TO BE PASTED IN YOUR BONES AND MUSCLES LESSON

Part of the skeleton

No. of bones

Properties

Name of important bones

Functions

Skull

22 bones

Hard bony structure that makes up the head and face

Lower jaw(only movable bone)

Protects the delicate brain

Ribs

12 pairs

Curved bones

Breastbone or sternum (in the front)

Backbone (in the back)

Floating ribs(last two pair of bones only joined to the back bone)

Protects the heart and lungs

Spine or backbone

33 small irregular bones

Attached to the skull at the top and goes down till the hip bone. It is the supporting rod of our body.

Vertebrae (each small irregular bones of our backbone)

Helps us to bend, turn and twist. Protects the spinal cord.

Arm or forelimbs

Legs or hindlimbs

27 small bones(hand and wrist)

26 small bones

(ankle and feet)

Joined to the spine with help of shoulder blade and collar bone.

Humerus (long bone in upper arm)

Radius and ulna (long bones of lower arm).

Femur (longest and strongest bone in upper leg)

Tibia and Fibula( long bones of lower leg)

To do activities like holding, lifting, throwing , etc.

To do activities like walking , running, etc

12

12

34

5

6

7

89

10111213

14

15

16

17