Year 7 Chemistry
Particles
The particle model of solids, liquids and gases, changes of state, melting and boiling points, diffusion, gas pressure, and dissolving.
What is in this topic
- A narrated lesson video that works through the topic, with worked examples
- 100 practice questions at foundation, core and stretch level
- A worked explanation on every answer, and progress you can come back to
The lesson and practice open when you start the 7-day free trial. Cancel before it ends and you pay nothing.