Properties and Changes of Materials: Interactive Quizzes for Year 5 Science

Question 1

Which of these changes is a physical change?

Accepted Answer

Melting a block of ice

Answer

Burning a piece of paper

Answer

Rusting a piece of iron

Question 2

When two or more substances combine to create a new substance, releasing energy as heat or light, what is this process called?

Accepted Answer

Exothermic reaction

Answer

Physical change

Answer

Endothermic reaction

Answer

Chemical change

Question 3

What is true about catalysts in chemical reactions?

Accepted Answer

Catalysts lower the activation energy of a reaction.

Answer

Catalysts increase the activation energy of a reaction.

Answer

Catalysts are used up during a reaction.

Answer

Catalysts change the products of a reaction.

Question 4

When making a baking soda and vinegar volcano, what will happen if you use more vinegar?

Accepted Answer

The reaction will be faster.

Answer

The reaction will be slower.

Answer

The reaction will stay the same.

Answer

The reaction will start fast and then slow down.

Question 5

When a pot of water is placed on a stovetop, which part of the pot will start to get warmer first? Explain your answer.

Accepted Answer

The bottom of the pot, because it is in direct contact with the heat source.

Answer

The top of the pot, because hot air rises.

Answer

All parts of the pot will start to heat up at the same time.

Answer

The handle of the pot, because it is made of metal.

Question 6

Which of these actions results in a chemical change?

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Dissolving salt in water

Answer

Crushing a can

Question 7

What is chemical reactivity and how does it help us predict how materials will behave?

Accepted Answer

Chemical reactivity is how likely a material is to combine with other materials to form new substances.

Answer

Chemical reactivity is how quickly a material changes its state, like from solid to liquid.

Answer

Chemical reactivity is how easily a material can dissolve in water.

Question 8

What is the best description of a homogeneous mixture?

Accepted Answer

A mixture with evenly distributed components, making it appear uniform.

Answer

A mixture with visible layers or parts.

Answer

A mixture containing only one type of component.

Question 9

What makes a chemical reaction happen faster?

Accepted Answer

Increasing the surface area of the reactants

Answer

Cooling the reactants

Answer

Adding an unreactive gas to the reaction

Question 10

Which of the following is NOT a state of matter?

Accepted Answer

Energy

Answer

Solid

Answer

Liquid

Answer

Gas

Question 11

When a liquid turns into a solid, what is this called?

Accepted Answer

Freezing

Answer

Melting

Answer

Sublimation

Answer

Evaporation

Question 12

Which material is most likely to dissolve in water?

Accepted Answer

Sugar

Answer

Sand

Answer

Oil

Answer

Wood

Question 13

When a metal reacts with oxygen, what process occurs?

Accepted Answer

Oxidation

Answer

Corrosion

Answer

Combustion

Answer

Decomposition

Question 14

When a gas cools and turns into a liquid, what happens to its particles?

Accepted Answer

They move slower.

Answer

They move faster.

Answer

They change shape.

Answer

Their mass increases.

Question 15

Which of the following materials is NOT combustible?

Accepted Answer

Water

Answer

Petrol

Answer

Wood

Answer

Paper

Question 16

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

Accepted Answer

Burning paper

Answer

Melting ice

Answer

Dissolving salt in water

Answer

Crushing a can

Question 17

When a material is malleable, it means that it:

Accepted Answer

Can be easily stretched and shaped.

Answer

Is hard and difficult to bend.

Answer

Is very dense and heavy.

Answer

Reacts quickly with other substances.

Question 18

What happens when ice melts? Which type of change is this?

Accepted Answer

A physical change of state from solid to liquid

Answer

A chemical reaction forming liquid water

Answer

A change in temperature causing the ice to expand

Answer

A chemical change where the ice breaks down into hydrogen and oxygen

Question 19

Which of these materials will dissolve completely in water?

Accepted Answer

Sugar

Answer

Sand

Answer

Flour

Answer

Gravel

Question 20

When a candle flame burns, what main type of change is happening?

Accepted Answer

A chemical reaction releasing energy and light

Answer

A change in shape and size

Answer

A change in temperature, making the wax softer

Answer

A change in the candle's color and appearance

Question 21

Metals are known for which of these properties?

Accepted Answer

Shining surfaces and the ability to be hammered into different shapes

Answer

Transparent surfaces and the ability to be easily broken

Answer

Rough surfaces and the ability to float on water

Answer

Soft surfaces and the ability to stretch easily

Question 22

What is the main difference between an element and a compound?

Accepted Answer

Elements cannot be broken down further, while compounds can.

Answer

Compounds are always liquids, while elements can be solids, liquids, or gases.

Answer

Elements are found naturally, while compounds are made by humans.

Answer

Compounds are mixtures of different elements, while elements are pure substances.

Question 23

Which material conducts electricity the best?

Accepted Answer

Copper

Answer

Wood

Answer

Rubber

Answer

Glass

Question 24

When a gas changes into a liquid, what is this process called?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Melting

Answer

Freezing

Question 25

Which of these examples shows a homogeneous mixture?

Accepted Answer

Salt dissolved in water

Answer

Oil floating on water

Answer

Sand mixed with water

Answer

Rocks mixed with soil

Question 26

Which of these natural resources can be replaced naturally over time?

Accepted Answer

Sunlight

Answer

Coal

Answer

Natural gas

Answer

Oil

Question 27

Which of these is a liquid at room temperature in the UK?

Accepted Answer

Water

Answer

Ice

Answer

Iron

Answer

Wood

Question 28

Which property tells us how easily a material can be dissolved in water?

Accepted Answer

Solubility

Answer

Conductivity

Answer

Hardness

Answer

Density

Question 29

Which of these is a chemical change?

Accepted Answer

Wood burning

Answer

Ice melting

Answer

Water freezing

Answer

Paper folding

Question 30

Which of these materials conducts electricity?

Accepted Answer

Copper

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 31

What happens to the size of a material when it turns from a solid to a liquid?

Accepted Answer

Gets larger

Answer

Gets smaller

Answer

Stays the same

Answer

Depends on the material

Question 32

Which of these is NOT something that can affect how much of a material can dissolve?

Accepted Answer

Colour

Answer

Temperature

Answer

Pressure

Answer

Size of the surface

Question 33

What's the name for when a solid material changes straight into a gas?

Accepted Answer

Sublimation

Answer

Evaporation

Answer

Melting

Answer

Condensation

Question 34

What's the name of the force that holds the tiny parts of a material together?

Accepted Answer

Cohesion

Answer

Tension

Answer

Friction

Answer

Gravity

Question 35

Which of the following is a solid when it's at room temperature (about 20°C)?

Accepted Answer

Sugar

Answer

Water

Answer

Air

Answer

Oil

Question 36

Which of these materials can dissolve in water?

Accepted Answer

Salt

Answer

Sand

Answer

Paper

Answer

Wood

Question 37

What happens when water is cooled to 0°C?

Accepted Answer

It turns into a solid.

Answer

It turns into a gas.

Answer

It turns into a liquid.

Answer

It boils.

Question 38

Which of the following is a chemical change?

Accepted Answer

Burning paper

Answer

Melting ice

Answer

Dissolving salt in water

Answer

Freezing water

Question 39

Which material is best at conducting heat?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Cloth

Question 40

What do we call it when water changes from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Melting

Answer

Freezing

Question 41

Which of these is a liquid at room temperature?

Accepted Answer

Water

Answer

Iron

Answer

Wood

Answer

Plastic

Question 42

What type of reaction releases heat?

Accepted Answer

Exothermic

Answer

Neutralization

Answer

Precipitation

Answer

Endothermic

Question 43

Which of these materials can conduct electricity?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 44

Which of these materials can **completely** dissolve in water?

Accepted Answer

Salt

Answer

Sand

Answer

Oil

Answer

Iron

Question 45

When a solid turns into a liquid, what process occurs?

Accepted Answer

Melting

Answer

Freezing

Answer

Evaporation

Answer

Condensation

Question 46

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

Accepted Answer

Burning of wood

Answer

Melting of ice

Answer

Dissolving of sugar in water

Answer

Freezing of water

Question 47

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

Accepted Answer

Condensation

Answer

Melting

Answer

Freezing

Answer

Evaporation

Question 48

Which of the following materials conducts electricity **best**?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 49

What happens when a substance **burns** in the presence of oxygen?

Accepted Answer

It releases energy

Answer

It becomes more acidic

Answer

It turns into a gas

Answer

It changes colour

Question 50

Which of the following is an example of a mixture?

Accepted Answer

Salt water

Answer

Gold

Answer

Water

Answer

Oxygen

Question 51

What is the main function of a catalyst in a chemical reaction?

Accepted Answer

To speed up the reaction

Answer

To slow down the reaction

Answer

To stop the reaction

Answer

To change the products of the reaction

Question 52

Which of these is NOT a state of matter?

Accepted Answer

Energy

Answer

Solid

Answer

Liquid

Answer

Gas

Question 53

What happens to the particles in a substance when it melts and turns into a liquid?

Accepted Answer

They move faster

Answer

They move slower

Answer

They change shape

Answer

They stop moving

Question 54

Which of the following is a chemical reaction?

Accepted Answer

Burning a piece of paper

Answer

Melting ice

Answer

Boiling water

Answer

Dissolving sugar in water

Question 55

What is the difference between a conductor and an insulator?

Accepted Answer

Conductors allow electricity to flow through them, while insulators do not

Answer

Insulators allow electricity to flow through them, while conductors do not

Answer

Conductors are made of metal, while insulators are made of rubber

Answer

Insulators are made of metal, while conductors are made of rubber

Question 56

What happens when a substance is soluble in a liquid?

Accepted Answer

It dissolves and forms a solution

Answer

It floats on top of the liquid

Answer

It sinks to the bottom of the liquid

Answer

It reacts with the liquid

Question 57

What does a catalyst do in a chemical reaction?

Accepted Answer

It makes the reaction happen faster

Answer

It makes the reaction happen slower

Answer

It changes the products of the reaction

Answer

It has no effect on the reaction

Question 58

Which of the following gases contributes to the greenhouse effect?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Water vapour

Question 59

When ice melts, is it a physical or chemical change?

Accepted Answer

Physical change

Answer

Chemical change

Question 60

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

Accepted Answer

They speed up and become less organized.

Answer

They slow down and become more organized.

Answer

They turn into a liquid.

Answer

They turn into a gas.

Question 61

Which of these materials can dissolve in water?

Accepted Answer

Sugar

Answer

Sand

Answer

Oil

Answer

Wood

Question 62

When a solid turns directly into a gas, what is it called?

Accepted Answer

Sublimation

Answer

Melting

Answer

Freezing

Answer

Evaporation

Question 63

Which of these changes cannot be reversed?

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Freezing water

Answer

Stretching a rubber band

Question 64

What name is given to a substance that makes a chemical reaction happen faster?

Accepted Answer

Catalyst

Answer

Inhibitor

Answer

Reactant

Answer

Product