Materials for Year 3 Science: Properties, Uses, and Experiments

Question 1

Which of these actions does NOT change the physical properties of a material?

Accepted Answer

Painting

Answer

Heating

Answer

Cooling

Answer

Stretching

Question 2

Which of these is a metal?

Accepted Answer

Iron

Answer

Wood

Answer

Plastic

Answer

Glass

Question 3

What material is the best choice for making a coat that keeps you dry in the rain?

Accepted Answer

Rubber

Answer

Cotton

Answer

Wood

Answer

Metal

Question 4

When you tear a piece of paper, does it become a different material?

Accepted Answer

No, it remains the same material.

Answer

Yes, it becomes a different material.

Question 5

When choosing between natural and synthetic materials, what factors should be considered?

Accepted Answer

Sustainability, cost, and performance

Answer

Only sustainability

Answer

Only cost

Answer

Only performance

Question 6

Which material can a magnet attract?

Accepted Answer

Iron

Answer

Wood

Answer

Plastic

Answer

Paper

Question 7

Which material is made up of two or more different materials combined together?

Accepted Answer

Carbon fiber reinforced plastic

Answer

Glass

Answer

Wood

Answer

Steel

Question 8

We mix 5 kg of sand with 3 kg of salt. What is the total mass of the mixture?

Accepted Answer

8 kg

Answer

2 kg

Answer

15 kg

Answer

We can't tell from the information given.

Question 9

How can changing the shape or size of a material change how it acts?

Accepted Answer

Changing the shape or size of a material can change how strong, bendy, or good at letting things pass through it is.

Answer

Changing the shape or size of a material won't change how it acts.

Answer

Changing the shape or size of a material only changes how it looks, not how it acts.

Question 10

How have new materials, like plastic and carbon fiber, changed the way we travel?

Accepted Answer

They've made vehicles lighter and use less fuel.

Answer

They've made vehicles less safe.

Answer

They haven't changed the way we travel.

Question 11

What happens to the plastic in outdoor furniture when it is exposed to sunlight?

Accepted Answer

The plastic fades in color.

Answer

The plastic becomes stronger.

Answer

The plastic becomes more flexible.

Answer

The plastic does not change.

Question 12

Why are playground slides often made of metal?

Accepted Answer

Metal is strong and can withstand heavy use.

Answer

Metal is lightweight and easy to move around.

Answer

Metal is waterproof and can be used outdoors.

Answer

Metal is soft and comfortable to touch.

Question 13

You're designing a bouncy ball. Which material would be the best choice and why?

Accepted Answer

Rubber

Answer

Wood

Answer

Glass

Answer

Metal

Question 14

What are materials specifically made to fix broken parts of the human body called?

Accepted Answer

Biomaterials

Answer

Natural materials

Answer

Artificial materials

Question 15

What is an alloy?

Accepted Answer

A mixture of different metals melted together

Answer

A metal like iron or aluminum

Answer

A type of plastic used for bottles

Answer

A hard material that cannot be bent

Question 16

Which of these actions does NOT change the properties of a material?

Accepted Answer

Painting it

Answer

Heating it

Answer

Cooling it

Question 17

Which of these is NOT a material made by combining two or more different materials?

Accepted Answer

Steel

Answer

Plywood

Answer

Fiberglass

Question 18

Which of these is NOT a form of matter that we usually see around us?

Accepted Answer

Plasma

Answer

Solid

Answer

Liquid

Answer

Gas

Question 19

Which material is used to make wires that carry electricity?

Accepted Answer

Copper

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 20

What happens to water when you heat it up?

Accepted Answer

It evaporates

Answer

It freezes

Answer

It turns into ice

Answer

It melts

Question 21

What material are windows made of?

Accepted Answer

Glass

Answer

Metal

Answer

Paper

Answer

Fabric

Question 22

Which property makes materials strong?

Accepted Answer

Hardness

Answer

Flexibility

Answer

Transparency

Answer

Conductivity

Question 23

Which material is used to make clothes like t-shirts?

Accepted Answer

Cotton

Answer

Iron

Answer

Plastic

Answer

Wood

Question 24

What happens when a magnet is brought near a piece of metal?

Accepted Answer

The metal is attracted to the magnet.

Answer

The metal becomes a magnet.

Answer

The metal repels the magnet.

Answer

Nothing happens.

Question 25

Which of these is a material that comes from nature?

Accepted Answer

Wood

Answer

Paper

Answer

Plastic

Answer

Glass

Question 26

What is the most common material used for building houses?

Accepted Answer

Concrete

Answer

Wood

Answer

Metal

Answer

Glass

Question 27

Which of these describes plastic?

Accepted Answer

It is soft and flexible.

Answer

It is hard and brittle.

Answer

It is strong and durable.

Answer

It is transparent and colourless.

Question 28

Which of these is not a property that describes materials?

Accepted Answer

Size

Answer

Strength

Answer

Flexibility

Answer

Colour

Question 29

What happens to the shape of a solid when it is melted?

Accepted Answer

It becomes liquid and takes the shape of its container.

Answer

It becomes more rigid.

Answer

It becomes more flexible.

Answer

It becomes smaller and harder.

Question 30

Which of these materials is often used to make windows?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Plastic

Question 31

Which material would be best for making a waterproof coat?

Accepted Answer

Rubber

Answer

Cotton

Answer

Wood

Answer

Paper

Question 32

Which of these materials is the most flexible?

Accepted Answer

Rubber

Answer

Glass

Answer

Metal

Answer

Wood

Question 33

Which of these materials is commonly used to make pots and pans?

Accepted Answer

Metal

Answer

Wood

Answer

Glass

Answer

Plastic

Question 34

Which of these materials allows liquids and gases to pass through it easily?

Accepted Answer

Paper

Answer

Glass

Answer

Metal

Answer

Wood

Question 35

What happens to the volume of a gas when it is heated?

Accepted Answer

It increases.

Answer

It decreases.

Answer

It stays the same.

Question 36

Which material is best for making a raincoat to keep you dry?

Accepted Answer

Plastic

Answer

Wood

Answer

Cotton

Answer

Metal

Question 37

What happens to water when it is heated?

Accepted Answer

It evaporates.

Answer

It turns into ice.

Answer

It freezes.

Answer

Nothing happens.

Question 38

Which of these is a naturally occurring material?

Accepted Answer

Wood

Answer

Paper

Answer

Glass

Answer

Plastic

Question 39

Which of these is a good conductor of electricity?

Accepted Answer

Copper

Answer

Rubber

Answer

Wood

Answer

Paper

Question 40

What makes up most of paper?

Accepted Answer

Wood pulp

Answer

Cotton

Answer

Plastic

Answer

Metal

Question 41

Which of these is a renewable resource?

Accepted Answer

Wood

Answer

Coal

Answer

Plastic

Answer

Natural gas

Question 42

What's the difference between a solid and a liquid?

Accepted Answer

Solids have a definite shape, while liquids do not.

Answer

Liquids have a definite volume, while solids do not.

Answer

Solids are denser than liquids.

Answer

Liquids are more viscous than solids.

Question 43

Which of these materials can conduct heat the best?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 44

What happens when you heat metal?

Accepted Answer

It gets bigger.

Answer

It gets smaller.

Answer

It changes color.

Answer

It turns into a liquid.

Question 45

Which of these things can a magnet pick up?

Accepted Answer

A nail

Answer

A wooden spoon

Answer

A plastic ruler

Answer

A rubber band

Question 46

What is the best way to separate sand and salt?

Accepted Answer

Sieve it

Answer

Filter it

Answer

Dissolve it

Answer

Evaporate it

Question 47

Which of these things doesn't let water pass through?

Accepted Answer

Rubber

Answer

Paper

Answer

Cotton

Answer

Wool

Question 48

Which of these things can bend the easiest?

Accepted Answer

Rubber

Answer

Glass

Answer

Metal

Answer

Wood

Question 49

What happens when you heat air?

Accepted Answer

It gets bigger.

Answer

It gets smaller.

Answer

It changes color.

Answer

It turns into a liquid.

Question 50

What is the best way to test how much water different types of paper can soak up?

Accepted Answer

Use the same amount of water and paper for each test.

Answer

Use different amounts of water and paper for each test.

Answer

Use the same type of water for each test.

Answer

Use different types of water for each test.

Question 51

Which of the following is NOT a property of materials?

Accepted Answer

Brightness

Answer

Hardness

Answer

Color

Answer

Flexibility

Question 52

Which material is the best conductor of heat?

Accepted Answer

Metal

Answer

Wood

Answer

Rubber

Answer

Plastic

Question 53

What is the process called when a liquid turns into a gas?

Accepted Answer

Evaporation

Answer

Melting

Answer

Freezing

Answer

Condensation

Question 54

Which of the following objects is most likely made of a strong material?

Accepted Answer

Bridge

Answer

Straw

Answer

Feather

Answer

Cotton ball

Question 55

What is the difference between a mixture and a solution?

Accepted Answer

A mixture can be separated by physical means like filtering, while a solution cannot.

Answer

A solution can be separated by physical means like filtering, while a mixture cannot.

Answer

Mixtures are always opaque, while solutions are always transparent.

Answer

Solutions are always opaque, while mixtures are always transparent.

Question 56

Which of the following materials is NOT magnetic?

Accepted Answer

Copper

Answer

Iron

Answer

Steel

Answer

Nickel

Question 57

Why is it important to do a fair test when testing the properties of materials?

Accepted Answer

To make sure that only one thing is being tested at a time.

Answer

To make sure that the results are correct.

Answer

To make the experiment more fun.

Answer

To save time.

Question 58

Which of the following is a renewable resource?

Accepted Answer

Wood

Answer

Coal

Answer

Oil

Answer

Natural gas

Question 59

What makes something bendy rather than breaking?

Accepted Answer

Flexibility

Answer

Strength

Answer

Hardness

Answer

Transparency

Question 60

What happens to ice when it warms up?

Accepted Answer

It turns into a liquid

Answer

It turns into a gas

Answer

It turns into a plasma

Answer

It stays frozen

Question 61

Which of these is not used to make clothes?

Accepted Answer

Wood

Answer

Cotton

Answer

Nylon

Answer

Silk

Question 62

What do we call the change from a solid to a liquid?

Accepted Answer

Melting

Answer

Freezing

Answer

Evaporation

Answer

Condensation

Question 63

What makes a mixture different from a solution?

Accepted Answer

You can separate a mixture, but not a solution

Answer

You can separate a solution, but not a mixture

Answer

Mixtures are always solids, while solutions are liquids

Answer

Solutions are always solids, while mixtures are liquids

Question 64

Which of these resources can be replaced naturally?

Accepted Answer

Wood

Answer

Coal

Answer

Oil

Answer

Natural gas