# How do particles behave inside solids, liquids and gases?

In this lesson, we will learn that all matter is made up of particles. Particles are arranged in different ways in solids, liquids and gases giving them different properties. We will also learn how scientists use diagrams to represent the arrangement of particles.

# How do particles behave inside solids, liquids and gases?

In this lesson, we will learn that all matter is made up of particles. Particles are arranged in different ways in solids, liquids and gases giving them different properties. We will also learn how scientists use diagrams to represent the arrangement of particles.

## Lesson details

### Key learning points

1. Describe what a particle is
2. Describe how particles are arranged in solids, liquids and gases
3. Explain how we know particles in liquids and gases are moving

### 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

Share with pupils

## Worksheet

Share with pupils

## Starter quiz

Share with pupils

### 5 Questions

Q1.
Gases fill the shape of their container.
False
Q2.
Liquids have a fixed shape.
True
Q3.
Solids cannot be compressed.
False
Q4.
Liquids can be compressed.
True
Q5.
Gases can flow.
False

## Exit quiz

Share with pupils

### 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