Tuesday 14 April 2020
Changes of state
Now that you know about the properties of solids, liquids and gases, I explain how materials can undergo a change of state.
Friday, 10 April 2020
States of matter
Mr van Straaten and his unicorn sidekick explain the different states of matter and their properties.
Mr van Straaten's classroom 
Found that very informative
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Thank you for the lesson. It was fun:)
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