# What happens during a state change?

In this lesson, we find out what happens to the arrangement and behaviour of particles during a change of state. Learn about the properties of solids, liquids and gases and how to identify changes of state.

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# What happens during a state change?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 5

Q1.Particles in a solid

1/5

Q2.Liquids can be compressed because there are spaces between the particles.

2/5

Q3.Gases can flow because the particles are able to move in all directions.

3/5

Q4.What happens to particles when they are heated?

4/5

Q5.Which of the following is condensation?

5/5

Quiz:

# What happens during a state change?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 5

Q1.Particles in a solid

1/5

Q2.Liquids can be compressed because there are spaces between the particles.

2/5

Q3.Gases can flow because the particles are able to move in all directions.

3/5

Q4.What happens to particles when they are heated?

4/5

Q5.Which of the following is condensation?

5/5

# Lesson summary: What happens during a state change?

### Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga

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