Go Online: https://www.bbc.co.uk/bitesize/topics/zkgg87h
Experiment with it: A wonderful site with links to fascinating investigations that you can carry out to observe the state of matter - https://lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-states-of-matter.htm
Make it:
- Melt chocolate and butter to make chocolate crispy cakes
- Make ice-cubes or ice-lollies or home-made ice-cream (https://learning-resources.sciencemuseum.org.uk/resources/instant-ice-cream/)
- Make a cake or bake bread to observe the irreversible change
Observe it:
- Mix bicarbonate of soda with vinegar to observe what happens
- Use sieves and filter paper (or kitchen roll) to separate solutions of sugar and water, salt and water or soil and water.
Go Online: Understand solids, liquids and gases - https://www.abpischools.org.uk/topic/solids-liquids-gases/
Read:
- Experiments with Solids, Liquids, and Gases by Christine Taylor-Butler
- The Solid Truth About States of Matter with Max Axiom, Super Scientist (Graphic Science) by Agnieszka Biskup