Changing Materials: Explore Transformations and Properties

Question 1

Which of these materials can be stretched without breaking?

Accepted Answer

Rubber

Answer

Wood

Answer

Iron

Answer

Glass

Question 2

When water is heated, it changes into which state?

Accepted Answer

Gas

Answer

Solid

Answer

Liquid

Answer

Plasma

Question 3

Which of these processes is used to get salt from water?

Accepted Answer

Evaporation

Answer

Filtering

Answer

Condensation

Answer

Sublimation

Question 4

What happens when we mix sugar with water?

Accepted Answer

It dissolves

Answer

It sinks to the bottom

Answer

It floats on top of the water

Answer

It changes colour

Question 5

Which of these materials keeps heat in best?

Accepted Answer

Wool

Answer

Wood

Answer

Metal

Answer

Paper

Question 6

What is it called when a solid changes directly into a gas?

Accepted Answer

Sublimation

Answer

Melting

Answer

Freezing

Answer

Evaporation

Question 7

Which of these materials can you see through?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Plastic

Question 8

What happens when a magnet is brought near a paperclip?

Accepted Answer

The paperclip moves towards the magnet

Answer

The paperclip moves away from the magnet

Answer

Nothing happens

Answer

The paperclip turns green

Question 9

Which of these materials allows electricity to pass through it?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 10

What is it called when a gas changes into a liquid?

Accepted Answer

Condensation

Answer

Melting

Answer

Freezing

Answer

Evaporation

Question 11

Which material is the best for making a raincoat that keeps you dry?

Accepted Answer

Rubber

Answer

Paper

Answer

Cotton

Question 12

When you heat ice, what happens?

Accepted Answer

It melts.

Answer

It turns into water.

Answer

It turns into steam.

Answer

It freezes.

Question 13

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

Accepted Answer

Dough

Answer

Soup

Answer

Mud

Answer

Bread

Question 14

Which material allows heat to pass through it easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 15

What happens when you put water in the freezer?

Accepted Answer

It becomes solid.

Answer

It evaporates.

Answer

It turns into gas.

Answer

It melts.

Question 16

What is the process called when liquid turns into air?

Accepted Answer

Evaporation

Answer

Melting

Answer

Boiling

Answer

Condensation

Question 17

Which of these items is attracted to magnets?

Accepted Answer

Iron

Answer

Plastic

Answer

Wood

Answer

Paper

Question 18

What is the process called when air turns into liquid?

Accepted Answer

Condensation

Answer

Melting

Answer

Evaporation

Answer

Sublimation

Question 19

Which of these materials can change shape when heated?

Accepted Answer

Plasticine

Answer

Glass

Answer

Water

Answer

Metal

Question 20

When you mix salt and water, what do you observe?

Accepted Answer

The salt dissolves in the water

Answer

The salt disappears

Answer

The salt floats on the surface

Answer

The salt sinks to the bottom

Question 21

Which material is in the liquid state?

Accepted Answer

Water

Answer

Wood

Answer

Stone

Answer

Iron

Question 22

When we freeze water, what happens to it?

Accepted Answer

It turns into a solid

Answer

It turns into a gas

Answer

It remains liquid

Answer

It changes colour

Question 23

Which of these is a natural material?

Accepted Answer

Wood

Answer

Plastic

Answer

Paper

Answer

Metal

Question 24

Which of these materials is attracted to magnets?

Accepted Answer

Iron

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 25

What happens when you heat a metal spoon?

Accepted Answer

It gets hotter

Answer

It becomes heavier

Answer

It becomes lighter

Answer

It gets colder

Question 26

What happens when oil and water are mixed together?

Accepted Answer

They form separate layers

Answer

They mix together completely

Answer

They create a gas

Answer

They change colour

Question 27

When ice is heated on the stove, what does it change into?

Accepted Answer

Water

Answer

Steam

Answer

Rain

Answer

Snow

Question 28

Which material can let electricity flow through it easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 29

What happens to water when it gets very cold, like on a freezing night?

Accepted Answer

It freezes

Answer

It boils

Answer

It evaporates

Answer

It melts

Question 30

Which material can be dissolved in water, like sugar or salt?

Accepted Answer

Salt

Answer

Glass

Answer

Metal

Answer

Paper

Question 31

When water gets very hot, what happens to it?

Accepted Answer

It evaporates

Answer

It freezes

Answer

It condenses

Answer

It sublimates

Question 32

What material is used to make windows so we can see through them?

Accepted Answer

Glass

Answer

Metal

Answer

Wood

Answer

Plastic

Question 33

When you stretch a rubber band, what happens to it?

Accepted Answer

It gets bigger

Answer

It gets smaller

Answer

It stays the same

Answer

It breaks

Question 34

Which material can stop heat from passing through it easily?

Accepted Answer

Wood

Answer

Metal

Answer

Rubber

Answer

Plastic

Question 35

When a solid turns directly into a gas without becoming a liquid first, what do we call that process?

Accepted Answer

Sublimation

Answer

Melting

Answer

Freezing

Answer

Condensation

Question 36

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

Accepted Answer

It stays in the water, but you can't see it.

Answer

It disappears completely.

Answer

It turns into a new substance.

Question 37

When you heat water what happens?

Accepted Answer

It turns into a gas.

Answer

It becomes a solid.

Answer

It freezes.

Question 38

Which of these materials can electricity pass through easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Question 39

What is it called when a solid turns into a gas without becoming a liquid first?

Accepted Answer

Sublimating

Answer

Melting

Answer

Condensing

Question 40

Which of these materials is attracted to magnets?

Accepted Answer

Iron

Answer

Copper

Answer

Aluminium

Question 41

What is the name of the force that makes water droplets stick together?

Accepted Answer

Cohesion

Answer

Adhesion

Answer

Gravity

Question 42

Which of these changes cannot be undone?

Accepted Answer

Burning paper

Answer

Melting ice

Answer

Boiling water

Question 43

What happens to the amount of space a gas takes up when you squash it?

Accepted Answer

It gets smaller.

Answer

It gets bigger.

Answer

It stays the same.

Question 44

What do catalysts do in chemical reactions?

Accepted Answer

Make them happen faster.

Answer

Make them happen slower.

Answer

Change the products.

Question 45

When we heat ice, it changes into which of these?

Accepted Answer

Liquid water

Answer

Ice cream

Answer

Snow

Answer

Steam

Question 46

When you tear a piece of paper, what kind of change is that?

Accepted Answer

Physical change

Answer

Biological change

Answer

Temporary change

Answer

Chemical change

Question 47

What happens to the particles in ice when it is heated?

Accepted Answer

They move faster and spread out.

Answer

They slow down and come closer together.

Answer

They disappear.

Answer

They change colour.

Question 48

Which of these materials is good at preventing heat from passing through it?

Accepted Answer

Styrofoam

Answer

Aluminium

Answer

Glass

Answer

Copper

Question 49

When an ice cube melts, what happens to its size?

Accepted Answer

It gets bigger.

Answer

It stays the same.

Answer

It becomes smaller.

Answer

It changes shape.

Question 50

When something changes from a solid straight into a gas without becoming a liquid first, what is this called?

Accepted Answer

Sublimation

Answer

Condensation

Answer

Evaporation

Answer

Melting

Question 51

Which of these is a mixture of two or more different substances?

Accepted Answer

Salt water

Answer

Oxygen

Answer

Ice

Answer

Gold