Changing Materials: Interactive Quizzes for Year 3 Science

Question 1

Which of the following changes a solid into a liquid?

Accepted Answer

Heating it

Answer

Cooling it

Answer

Mixing it

Answer

Freezing it

Question 2

Which of the following materials is a gas at room temperature?

Accepted Answer

Air

Answer

Water

Answer

Ice

Answer

Metal

Question 3

What happens to the volume of a material when it changes from a liquid to a solid?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It becomes zero

Question 4

Which of the following is a physical change?

Accepted Answer

Melting ice

Answer

Burning paper

Answer

Cooking food

Answer

Rusting iron

Question 5

What is the boiling point of water?

Accepted Answer

100 degrees Celsius

Answer

0 degrees Celsius

Answer

50 degrees Celsius

Answer

200 degrees Celsius

Question 6

When ice turns into water, it changes from a _________ to a _________.

Accepted Answer

Solid, liquid

Answer

Liquid, gas

Answer

Gas, solid

Answer

Solid, gas

Question 7

Which of the following is an example of a chemical reaction?

Accepted Answer

Rusting metal

Answer

Tearing paper

Answer

Melting chocolate

Answer

Mixing salt and water

Question 8

What name do we give to a substance that dissolves another substance?

Accepted Answer

Solvent

Answer

Solute

Answer

Filtrate

Answer

Catalyst

Question 9

What happens when ice melts into water? Is it a...

Accepted Answer

Physical change

Answer

Chemical change

Question 10

When you heat ice, what does it turn into?

Accepted Answer

Water

Answer

Steam

Answer

Air

Answer

Snow

Question 11

Which of these materials is a liquid?

Accepted Answer

Water

Answer

Wood

Answer

Metal

Answer

Plastic

Question 12

When you cool melted chocolate, what will happen?

Accepted Answer

It becomes hard

Answer

It turns brown

Answer

It evaporates

Answer

It becomes caramel

Question 13

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

Accepted Answer

Sublimation

Answer

Evaporation

Answer

Condensation

Answer

Freezing

Question 14

When you heat ice, what happens to it?

Accepted Answer

Melts and turns into water.

Answer

Becomes even colder.

Answer

Turns into steam.

Answer

Stays the same.

Question 15

When a liquid like wax is cooled, what happens to it?

Accepted Answer

Turns into a solid.

Answer

Turns into a gas.

Question 16

When a material changes directly from a solid to a gas, it's called what process?

Accepted Answer

Sublimation

Answer

Melting

Answer

Condensation

Answer

Evaporation

Question 17

Which of these is NOT a mixture?

Accepted Answer

Gold

Answer

Saltwater

Answer

Air

Answer

Sand and water

Question 18

What happens when you add sand into water?

Accepted Answer

They form a suspension.

Answer

They form a solution.

Answer

They chemically react.

Answer

They form a solid.

Question 19

When you mix sugar and water, what happens to the sugar?

Accepted Answer

It makes the water taste sweeter.

Answer

It vanishes.

Answer

It changes the water's colour.

Answer

It floats on the water's surface.

Question 20

Which of these is a good conductor of electricity?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 21

When water turns into ice, what type of change has occurred?

Accepted Answer

Physical change

Answer

Chemical change

Answer

Irreversible change

Answer

Nuclear change

Question 22

What is NOT a way to alter a material?

Accepted Answer

Playing with it

Answer

Heating it up

Answer

Cooling it down

Answer

Mixing it with something else

Question 23

What will happen to a material that is heated up?

Accepted Answer

It might melt or change shape.

Answer

It will get colder.

Answer

It will change color.

Answer

It will become harder.

Question 24

Which of these things will melt when heated up?

Accepted Answer

Ice

Answer

Wood

Answer

Metal

Answer

Stone

Question 25

What will happen to a material when it is cooled down?

Accepted Answer

It might freeze or become solid.

Answer

It will get hotter.

Answer

It will change color.

Answer

It will become softer.

Question 26

Which of these is NOT a property of a solid material?

Accepted Answer

It can flow easily.

Answer

It has a clear shape and size.

Answer

It is hard and stiff.

Answer

It cannot be squashed.

Question 27

What happens to a solid material when it melts?

Accepted Answer

It turns into a liquid.

Answer

It turns into a gas.

Answer

It turns into energy.

Answer

It stays a solid.

Question 28

Which experiment shows how heating changes the size of air?

Accepted Answer

Put a balloon in the freezer, then in a warm place.

Answer

Put ice in a glass of water and watch what happens.

Answer

Put a metal spoon in hot water, then in cold water.

Question 29

Which of the following is NOT a way to change the properties of a material?

Accepted Answer

Hitting it

Answer

Heating it

Answer

Cooling it

Answer

Mixing it

Question 30

When you heat a solid, what happens to its particles?

Accepted Answer

They speed up and move further apart

Answer

They slow down and get closer together

Answer

They change shape

Answer

They disappear

Question 31

Which of the following materials is a good conductor of heat?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 32

Which of the following is a reversible change?

Accepted Answer

Melting ice

Answer

Burning paper

Answer

Cooking an egg

Answer

Rusting iron

Question 33

What is the state of water at room temperature?

Accepted Answer

Liquid

Answer

Solid

Answer

Gas

Answer

Plasma

Question 34

Which of the following is a physical change?

Accepted Answer

Melting ice

Answer

Burning wood

Answer

Rusting iron

Answer

Cooking an egg

Question 35

What is the melting point of a material?

Accepted Answer

The temperature at which it changes from a solid to a liquid

Answer

The temperature at which it changes from a liquid to a gas

Answer

The temperature at which it changes from a gas to a solid

Answer

The temperature at which it changes from a liquid to a solid

Question 36

What happens to water when it is heated to a boil?

Accepted Answer

It turns into steam

Answer

It turns into ice

Answer

It changes color

Answer

Nothing happens

Question 37

What happens when you melt a chocolate bar?

Accepted Answer

It turns into a liquid

Answer

It turns into a gas

Answer

It changes color

Answer

Nothing happens

Question 38

What is the process called when water vapor turns into liquid water?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Melting

Question 39

Which of the following materials is magnetic?

Accepted Answer

Iron

Answer

Copper

Answer

Wood

Answer

Plastic

Question 40

What happens to the particles in a material when it is heated?

Accepted Answer

They move faster

Answer

They move slower

Answer

They change shape

Answer

Nothing happens

Question 41

Which of the following is a good conductor of heat?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Air

Question 42

Which of the following actions CANNOT change the properties of a material?

Accepted Answer

Talking to it

Answer

Heating it

Answer

Cooling it

Answer

Mixing it

Question 43

What happens to a solid when it is heated up?

Accepted Answer

It becomes a liquid

Answer

It becomes a gas

Answer

It shrinks

Answer

It turns green

Question 44

Which material should you add to water to make it conduct electricity?

Accepted Answer

Salt

Answer

Sugar

Answer

Oil

Answer

Sand

Question 45

What is the name of the process when a liquid turns into a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Freezing

Answer

Melting

Question 46

What happens to the tiny pieces of matter in a material when it is heated up?

Accepted Answer

They move around faster

Answer

They move around slower

Answer

They get smaller

Answer

They change color

Question 47

Which of the following is a mixture?

Accepted Answer

Salt water

Answer

Gold

Answer

Oxygen

Answer

Flour

Question 48

Which of the following materials is most likely to rust?

Accepted Answer

Iron

Answer

Aluminium

Answer

Copper

Answer

Plastic

Question 49

Which of the following materials will become liquid when heated?

Accepted Answer

Ice

Answer

Wood

Answer

Metal

Answer

Plastic

Question 50

What happens to the temperature of water as it becomes ice?

Accepted Answer

It falls.

Answer

It rises.

Answer

It stays the same.

Answer

It fluctuates.

Question 51

Which of these is not a way to mix materials?

Accepted Answer

Separating

Answer

Stirring

Answer

Shaking

Answer

Rolling

Question 52

What happens when salt is dissolved in water?

Accepted Answer

The solution becomes salty.

Answer

The salt disappears.

Answer

The water becomes cloudy.

Answer

Nothing happens.

Question 53

Which of these materials conducts electricity?

Accepted Answer

Metal

Answer

Rubber

Answer

Wood

Answer

Plastic

Question 54

Which of the following is a change that can be undone?

Accepted Answer

Melting ice

Answer

Burning paper

Answer

Rusting iron

Answer

Cooking an egg

Question 55

What process changes a gas to a liquid?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Deposition

Question 56

Which property describes a solid?

Accepted Answer

Fixed shape and volume

Answer

Changes shape easily

Answer

Takes the shape of its container

Answer

Can flow like a liquid

Question 57

What happens when you heat ice?

Accepted Answer

It turns into water

Answer

It turns into steam

Answer

It turns into snow

Answer

It turns into air

Question 58

When you mix flour and water, what do you create?

Accepted Answer

A mixture

Answer

A chemical change

Answer

A physical change

Answer

A new substance

Question 59

Which of these materials is a good conductor of heat?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Paper

Question 60

When a liquid turns into a gas, the process is called:

Accepted Answer

Evaporation

Answer

Melting

Answer

Freezing

Answer

Condensation

Question 61

Which of these materials is magnetic?

Accepted Answer

Iron

Answer

Aluminium

Answer

Glass

Answer

Plastic

Question 62

When you heat water, what happens to it?

Accepted Answer

It turns into steam.

Answer

It turns into ice.

Answer

It turns into a solid.

Answer

Nothing happens.

Question 63

Which of these is NOT a property of water?

Accepted Answer

It is magnetic.

Answer

It is a liquid at room temperature.

Answer

It is transparent.

Answer

It can dissolve many substances.

Question 64

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

Accepted Answer

Freezing

Answer

Melting

Answer

Evaporation

Answer

Condensation