# What happens when you heat or cool each state of matter?

In this lesson, we will learn what happens to the behaviour and arrangement of particles when they are heated or cooled. We will also investigate some uses of these properties such as cooling gases in order to store them.

# What happens when you heat or cool each state of matter?

In this lesson, we will learn what happens to the behaviour and arrangement of particles when they are heated or cooled. We will also investigate some uses of these properties such as cooling gases in order to store them.

## Lesson details

### Key learning points

1. Describe what happens to particles when a substance is heated or cooled
2. Predict what happens to a solid, liquid or gas when it is heated or cooled
3. Give evidence to show that each state expands when heated and contracts when cooled

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
Particles in a solid are...
Arranged in a random order
Correct answer: Arranged in ordered rows
Far apart from each other
Q2.
Particles in a liquid are...
Correct answer: Arranged in a random order
Arranged in ordered rows
Far apart from each other
Q3.
Particles in a gas are...
Arranged in a random order
Arranged in ordered rows
Correct answer: Far apart from each other
Q4.
Particles in a gas are...
Correct answer: Moving quickly in all directions
Not moving
Sliding past eachother
Vibrating on the spot
Q5.
Particles in a solid are...
Moving quickly in all directions
Not moving
Sliding past eachother
Correct answer: Vibrating on the spot

## Exit quiz

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### 5 Questions

Q1.
When you heat a substance the particles...
Have less energy.
Correct answer: Have more energy.
Have no energy.
Have the same amount of energy.
Q2.
When you cool a substance the particles...
Correct answer: Have less energy.
Have more energy.
Have no energy.
Have the same amount of energy.
Q3.
When a substance is cooled it...
Expands
Stays the same volume.
Q4.
When a substance is heated it...
Contracts