Solids, liquids and gases
This lesson will overlap with the particle model of matter from physics. It will discuss what happens when substances melt and boil. For higher tier it will explain why our models of particles are limited and the issues this can cause.
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. Once you have finished all the tasks, click ‘Next’ below.
Final Quiz
This quiz is a great way for you to test your learning from this lesson.
If you would like to re-cap any of the lesson, or repeat any exercise, click ‘Back’ below.