Physical Processes: Explore Matter and Forces for Year 2 Science

Question 1

Which of these is NOT a physical change?

Accepted Answer

Burning paper

Accepted Answer

Rusting iron

Answer

Melting ice

Answer

Dissolving sugar in water

Question 2

When you heat a pan of water on a stove, what happens to the water?

Accepted Answer

It evaporates.

Answer

It turns into ice.

Answer

It freezes.

Answer

It condenses.

Question 3

Which of these changes involves a change in the chemical composition of the substance?

Accepted Answer

Burning wood

Accepted Answer

Rusting iron

Answer

Melting ice

Answer

Dissolving salt in water

Question 4

What happens to ice when it gets warmer?

Accepted Answer

It melts.

Answer

It turns into a gas.

Answer

It stays the same.

Answer

It gets harder.

Question 5

What happens to ice when it is placed in a warm room?

Accepted Answer

It melts and becomes water.

Answer

It turns into a gas.

Answer

It stays the same.

Answer

It becomes a solid block.

Question 6

Which of these is NOT a state of matter?

Accepted Answer

Lightning

Answer

Ice

Answer

Water

Answer

Air

Question 7

What happens when wood is burned?

Accepted Answer

A chemical change

Answer

A physical change

Answer

A state change

Answer

A force change

Question 8

Which of these is a chemical change?

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Dissolving sugar in water

Answer

Freezing water

Question 9

When matter is heated up and turns into a gas, what happens to it?

Accepted Answer

It evaporates and becomes a gas.

Answer

It becomes a liquid.

Answer

It becomes a solid.

Answer

It melts and becomes a liquid.

Question 10

Which of the following actions is NOT a physical change?

Accepted Answer

Lighting a candle

Answer

Crushing a can

Answer

Boiling water

Question 11

When liquid water gets very cold, what does it turn into?

Accepted Answer

Ice

Answer

Gas

Answer

Steam

Question 12

What happens when a solid turns into a liquid?

Accepted Answer

Melting

Answer

Freezing

Answer

Evaporation

Answer

Condensation

Question 13

When ice melts, what does it become?

Accepted Answer

A liquid

Answer

A gas

Answer

A solid

Question 14

What happens to ice when it's placed in a warmer environment?

Accepted Answer

It melts and becomes water.

Answer

It stays solid.

Answer

It transforms into a gas.

Question 15

When water turns from a liquid into a solid, what do we call this process?

Accepted Answer

Freezing

Answer

Evaporation

Answer

Condensation

Answer

Melting

Question 16

Which of these is a solid object?

Accepted Answer

A metal spoon

Answer

Air in a balloon

Answer

Water in a cup

Answer

Smoke from a fire

Question 17

When you hang wet clothes outside on a sunny day, what is happening to the water in the clothes?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Freezing

Answer

Melting

Question 18

When you cut a piece of paper in half, what type of change occurs?

Accepted Answer

Physical

Answer

Chemical

Question 19

When something is a liquid, what happens to its shape?

Accepted Answer

It takes the shape of the container it's in.

Answer

It stays the same shape, like a solid.

Answer

It has a fixed shape, like a solid.

Answer

Its shape changes based on the temperature.

Question 20

What happens when you place an ice cube in a warm location?

Accepted Answer

It melts and becomes a liquid.

Answer

It turns into a gas.

Answer

It changes into a different solid shape.

Answer

It vanishes.

Question 21

Which of these is NOT a state of matter: solid, liquid, gas, or fire?

Accepted Answer

Fire

Answer

Solid

Answer

Liquid

Answer

Gas

Question 22

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

Accepted Answer

Evaporation

Answer

Condensation

Answer

Melting

Answer

Freezing

Question 23

When water changes from a liquid to a gas, what process is taking place?

Accepted Answer

Evaporation

Answer

Freezing

Answer

Condensation

Question 24

When water changes from a liquid to a solid, what is this process called?

Accepted Answer

Freezing

Answer

Melting

Answer

Condensation

Answer

Evaporation

Question 25

How can you transfer heat from your body to a chair?

Accepted Answer

By touching the chair.

Answer

By looking at the chair.

Answer

By thinking about the chair.

Answer

By waving at the chair.

Question 26

What's the difference between speed and velocity?

Accepted Answer

Speed is how fast something moves, and velocity is how fast it moves in a specific direction.

Answer

Speed is how far something moves, and velocity is how fast it moves.

Answer

Speed and velocity are the same thing.

Answer

Velocity is how fast something moves, and speed is how fast it moves in a specific direction.

Question 27

When two forces push an object in the same direction, what will happen to the object's movement?

Accepted Answer

It will move faster.

Answer

It will move slower.

Answer

It will change direction.

Answer

It will stop moving.

Question 28

Which of these is not a state of matter?

Accepted Answer

Energy

Answer

Solid

Answer

Liquid

Answer

Gas

Question 29

When you heat a solid, what happens?

Accepted Answer

It turns into a liquid

Answer

It turns into a gas

Answer

It gets colder

Answer

It changes color

Question 30

What force pulls objects towards the ground?

Accepted Answer

Gravity

Answer

Friction

Answer

Magnetism

Answer

Electricity

Question 31

What is the name of the force that slows down moving objects?

Accepted Answer

Friction

Answer

Gravity

Answer

Magnetism

Answer

Electricity

Question 32

What is the name of the process by which water changes into a gas?

Accepted Answer

Evaporation

Answer

Melting

Answer

Freezing

Answer

Condensation

Question 33

Which of these materials allows electricity to flow through it easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 34

Which of these items is a solid?

Accepted Answer

Ice

Answer

Water

Answer

Air

Answer

Steam

Question 35

What happens when a solid like ice changes state?

Accepted Answer

It turns into liquid water

Answer

It turns into water vapour

Answer

It turns into gas

Answer

It disappears

Question 36

What is the name of the force that keeps us on the ground?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Friction

Answer

Upthrust

Question 37

Which of these materials allows electricity to flow through it easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 38

What happens when you connect a battery to a light bulb?

Accepted Answer

The light bulb lights up

Answer

The battery runs out

Answer

The light bulb explodes

Answer

Nothing happens

Question 39

Which of these energy sources can be replaced naturally, like the wind?

Accepted Answer

Wind power

Answer

Fossil fuels

Answer

Nuclear power

Answer

Coal

Question 40

What is the name of the main gas that we need to breathe?

Accepted Answer

Oxygen

Answer

Hydrogen

Answer

Nitrogen

Answer

Carbon dioxide

Question 41

What are different types of energy?

Accepted Answer

Sunlight, heat from a fire, sound of music, and power from a battery

Answer

Rocks, water, and clouds

Answer

Only heat and light

Answer

Only sound and movement

Question 42

When you kick a soccer ball, what type of energy makes it roll?

Accepted Answer

Kinetic energy

Answer

Potential energy

Question 43

When ice changes into water, it is called:

Accepted Answer

Melting

Answer

Freezing

Answer

Evaporation

Answer

Condensation

Question 44

Which of these forces pulls objects down to the ground?

Accepted Answer

Gravity

Answer

Friction

Answer

Magnetism

Answer

Electricity

Question 45

Which of these materials can electricity pass through easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 46

Which of these is a renewable energy source?

Accepted Answer

Sunlight

Answer

Coal

Answer

Oil

Answer

Natural gas

Question 47

What is a solid?

Accepted Answer

Something that keeps its shape, like a rock

Answer

Something that flows easily, like water

Answer

Something that can be compressed, like a balloon

Answer

Something that takes the shape of its container, like milk

Question 48

What happens when you heat water?

Accepted Answer

It turns into steam.

Answer

It turns into ice.

Answer

It turns into a solid.

Answer

Nothing happens.

Question 49

What pushes you down onto the ground?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Friction

Answer

Air resistance

Question 50

Which of these is a force that pulls objects towards each other?

Accepted Answer

Gravitational force

Answer

Magnetic force

Answer

Frictional force

Answer

Electrical force

Question 51

What can electricity flow through easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 52

Which of these is a clean source of energy that will never run out?

Accepted Answer

Wind

Answer

Coal

Answer

Oil

Answer

Natural gas

Question 53

What is the most common gas in the air we breathe?

Accepted Answer

Nitrogen

Answer

Oxygen

Answer

Carbon dioxide

Answer

Helium

Question 54

What is a mixture?

Accepted Answer

Something made up of two or more different substances

Answer

Something that is pure

Answer

Something that is a solid

Answer

Something that is a liquid

Question 55

What is the name of the process where water changes from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Freezing

Answer

Melting

Question 56

Which of these is NOT a physical change?

Accepted Answer

Wood burning

Answer

Ice turning into water

Answer

Tearing a piece of paper

Answer

Sugar dissolving in water

Question 57

When you turn on a torch, which part of the torch changes to produce light?

Accepted Answer

The bulb

Answer

The batteries

Answer

The switch

Question 58

Electricity is a type of energy. Can it travel through all types of objects? Explain your answer.

Accepted Answer

Yes, electricity can flow through some materials called conductors, but not all materials.

Answer

Yes, electricity can flow through any type of object.

Answer

No, electricity can only flow through metal objects.

Answer

No, electricity cannot flow through any type of material.

Question 59

When you kick a ball, what happens to the energy you used?

Accepted Answer

The ball moves.

Answer

The ball gets bigger.

Answer

The ball changes color.

Answer

Your shoe changes color.

Question 60

Which of these is NOT a physical change?

Accepted Answer

Thinking about what to have for dinner

Answer

Freezing water into an ice cube

Answer

Dissolving salt into water

Answer

Melting ice to make water

Question 61

Which of these changes involves a new substance being formed?

Accepted Answer

When wood burns

Answer

When ice melts

Answer

When salt dissolves in water

Answer

When water freezes

Question 62

Which material lets heat pass through it the fastest?

Accepted Answer

Metal

Answer

Wood

Answer

Fabric

Question 63

When water gets very cold, what happens to it?

Accepted Answer

It turns into a solid

Answer

It turns into a liquid

Answer

It turns into a gas

Question 64

When you drop a ball, what pulls it down towards the ground?

Accepted Answer

Gravity

Answer

Friction

Answer

Magic