grade 4 matter review
DESCRIPTION
first quarter review material, ateneo grade schoolTRANSCRIPT
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MatterMatter
Volume MassVolume Mass
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MatterMatterVolume Volume ––
amount of space an object takes upamount of space an object takes up
Mass Mass – –
amount of matter in an objectamount of matter in an object
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VolumeVolumeLiquidsLiquids
milliliter (mL)milliliter (mL)liter (L)liter (L)1000 mL = 1 L1000 mL = 1 L
SolidsSolidscubic centimeter (cmcubic centimeter (cm33))
1 mL = 1 cm1 mL = 1 cm33
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VolumeVolume Regular ObjectsRegular Objects
S1 x S2 x S3 =VolumeS1 x S2 x S3 =Volume
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Centimeters (cm)Centimeters (cm)
What will you do if your ruler breaks? Can you still use it?
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VolumeVolume Regular ObjectsRegular Objects
S1 x S2 x S3 =VolumeS1 x S2 x S3 =Volume
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VolumeVolume Regular ObjectsRegular Objects
S1 x S2 x S3 =VolumeS1 x S2 x S3 =Volume
4 cm x 3 cm x 2 cm = 4 cm x 3 cm x 2 cm =
24 cm24 cm33
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VOLUME OF LIQUIDSVOLUME OF LIQUIDS
Milliliters (mL)Milliliters (mL)
Liters (L)Liters (L)
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GRADUATED CYLINDERSGRADUATED CYLINDERS
Eye levelEye level
Lower meniscusLower meniscus
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Read the VolumeRead the Volume
43 mL43 mL
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Is she reading the volume of the liquid in a Is she reading the volume of the liquid in a correct manner? Why or why not?correct manner? Why or why not?
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20 mL of milk 20 cm20 mL of milk 20 cm3 3 of copperof copper
Which has more volume? Which has more volume?
They occupy the same amount of space.They occupy the same amount of space.
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Is it possible to have the same Is it possible to have the same volume but different mass? volume but different mass?
Iron ball Styro ball
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Volume of IRREGULAR SolidsVolume of IRREGULAR Solids
When an object is submerged (below the surface) in water, When an object is submerged (below the surface) in water, the object displaces the amount of water equal to the the object displaces the amount of water equal to the objects volume. This means that the object pushes the objects volume. This means that the object pushes the water out of its way. This causes the surface of the water water out of its way. This causes the surface of the water to rise; you have displaced water with your body.to rise; you have displaced water with your body.
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A graduated cylinder is filled with 50 ml of water. After placing a stone A graduated cylinder is filled with 50 ml of water. After placing a stone
in the cylinder, the water level is 63 ml. What is the volume of the in the cylinder, the water level is 63 ml. What is the volume of the
stone?stone?
Think!Think! The rock displaces the water–pushes the water out of the way.The rock displaces the water–pushes the water out of the way. The amount of water displaced equals the volume of the rock.The amount of water displaced equals the volume of the rock. The volume of the rock equal the amount the water level rises.The volume of the rock equal the amount the water level rises. How can the rise of the water level be calculated? Determine the How can the rise of the water level be calculated? Determine the
difference between the two water levels.difference between the two water levels.
Water level with the rock = 63 mlWater level with the rock = 63 ml
Water level without the rock= 50 mlWater level without the rock= 50 ml
Difference between the two water levels = 63 ml – 50 ml = 13 mlDifference between the two water levels = 63 ml – 50 ml = 13 ml
Answer: The volume of the rock is 13 mlAnswer: The volume of the rock is 13 ml
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MassMassMass vs. WeightMass vs. Weight
Mass – amount of matter in an objectMass – amount of matter in an objectWeight – pull of gravity on an objectWeight – pull of gravity on an object
Grams (g)Grams (g) Kilograms (kg)Kilograms (kg) 1000 g = 1 kg1000 g = 1 kg
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300 grams of cotton 300 grams of gold 300 grams of cotton 300 grams of gold
Which has more mass? Which has more mass? They have the They have the samesame massmass..
Which has more volume? Which has more volume? The sack of cotton has The sack of cotton has more
volume. .
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Comparing the Mass, Volume and Comparing the Mass, Volume and Weight of An Object on Earth and on Weight of An Object on Earth and on
the Moonthe Moon
Mass Mass _____ _____ MassMass
VolumeVolume __________ VolumeVolume
WeightWeight __________ WeightWeight
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Comparing the Mass, Volume and Comparing the Mass, Volume and Weight of An Object on Earth and Weight of An Object on Earth and
on the Moonon the Moon
Mass Mass == MassMass
VolumeVolume __________ VolumeVolume
WeightWeight __________ WeightWeight
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Comparing the Mass, Volume and Comparing the Mass, Volume and Weight of An Object on Earth and Weight of An Object on Earth and
on the Moonon the Moon
Mass Mass == MassMass
VolumeVolume == VolumeVolume
WeightWeight __________ WeightWeight
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Comparing the Mass, Volume and Comparing the Mass, Volume and Weight of An Object on Earth and Weight of An Object on Earth and
on the Moonon the Moon
Mass Mass == MassMass
VolumeVolume == VolumeVolume
WeightWeight >> Weight Weight
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Examples of Non-matterExamples of Non-matter
FeelingsFeelingsShadowShadowLightLightEnergyEnergy
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STATES OF MATTER
Matter
Solid Liquid Gas
DefiniteShape
Definite Volume
No Definite Shape
No Definite Volume
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PARTICLES
Solid GasLiquid
FLUIDS
Solid
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To To compresscompress matter means... matter means...
MAKE ITS MAKE ITS VOLUMEVOLUME SMALLER SMALLER
Can you compress solid? liquid? gas?Can you compress solid? liquid? gas?
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You can compress some solids if you apply force
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You can easily compress gas.
Is this possible?
500 cm3 250 cm3
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Cream and gels are both solids and liquids.
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50 mL of shampoo 100 mL of shampoo
A B
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50 mL of shampoo 100 mL of shampoo
P60.00 P100.00
A B
Which bottle will give you a better deal for your money? Why?
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What does this statement mean?
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What are you paying for when you What are you paying for when you buy…buy…
Water? Water? Gasoline?Gasoline?Fruits?Fruits?Biscuits?Biscuits?
Volume
Volume
Mass
Mass
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OBSERVATIONS vs. OBSERVATIONS vs. INFERENCESINFERENCES
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ObservationsObservations
something that can be made something that can be made using using the 5 sensesthe 5 senses
InferencesInferences
interpretations based on interpretations based on observationsobservations
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Observations:
It is round.It has a black pentagon design.It has a white hexagon
design.It bounces.
Inferences:
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Observations:
It is round.It has a black pentagon design.It has a white hexagon
design.It bounces.
Inferences:
It is a toy.It is a soccer ball.
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Observations:
It is clear.It has no smell.It takes the shape of its container.It flows.It has no taste.
Inferences:
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Observations:
It is clear.It has no smell.It takes the shape of its container.It flows.It has no taste.
Inferences:
It is liquid.It is water.
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Identify whether the statement is an Identify whether the statement is an Observation or an Inference.Observation or an Inference.
•It has red spots. •It has yellow on it.•It’s used to play with.•It has no sound.•It smells bad.•It’s squishy.•I think it is a bag. •The girl is happy•The baby used soap.
O
O
I
O
O
O
I
I
I
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One morning, you woke up later One morning, you woke up later than usual and you needed to than usual and you needed to prepare your chocolate drink. prepare your chocolate drink.
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We will find out how the TEMPERATURE We will find out how the TEMPERATURE of water affects the RATE OF of water affects the RATE OF DISSOLUTION of chocolate powder in it.DISSOLUTION of chocolate powder in it.
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Temperature Temperature
- how hot or cold an object is- how hot or cold an object is
Rate of Dissolution Rate of Dissolution
- how fast a material dissolves- how fast a material dissolves
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Problem: Problem:
How does the temperature of water How does the temperature of water affect the rate of dissolution of affect the rate of dissolution of chocolate powder?chocolate powder?
Hypothesis:Hypothesis:
If the water is hot, then the chocolate If the water is hot, then the chocolate powder will dissolve faster.powder will dissolve faster.
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TEMPERATURE OF WATER APPEARANCE
Warm Water Darker; even color
Cold Water Darker at the bottom, lighter color near the top
RESULTS AND OBSERVATIONS
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CONCLUSION:CONCLUSION:
The hotter the water, the faster the chocolate The hotter the water, the faster the chocolate powder dissolves.powder dissolves.
APPLICATION:APPLICATION:
One can use hot water to make coffee, milk and One can use hot water to make coffee, milk and other powdered drinks dissolve faster.other powdered drinks dissolve faster.
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SCIENTIFIC INVESTIGATIONSCIENTIFIC INVESTIGATION
SCIENCESCIENCE
- investigation- investigation
- finding solutions- finding solutions
- process of acquiring knowledge- process of acquiring knowledge
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ReviewReview MatterMatter Getting the volumeGetting the volume
Regular solidRegular solid Irregular solidIrregular solid LiquidsLiquids
MassMass SolidsSolids LiquidsLiquids
Water cycleWater cycle Water processesWater processes
Read:Read: TextbookTextbook Workbook Workbook
(experiments)(experiments)
Check websites:Check websites: http://
www.milleprime.com.sg/htm/elearning/matters/index.html
http://www.wisc-http://www.wisc-online.com/objects/online.com/objects/viewobject.aspx?viewobject.aspx?ID=GCH202ID=GCH202