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New topic: Chemical Reactions

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by

Paul Sheffield

on 19 September 2016

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Transcript of New topic: Chemical Reactions

New topic: Chemical Reactions
Starter
Can you link the following words and definitions (meanings)
Physical Changes
Are these the same things?
Discuss
Key points
What are the signs of a chemical change?
How is a chemical change different to a physical change?
Chemical Changes
Carry out the experiments
record your observations on the sheet
Element
Compound
Mixture
Copy them into your book
More than one element or compound not Chemically bonded together
More than one type of element chemically bonded together
A pure substance made up of only one type of atom
L.O
Physical changes
Chemical changes

Water
Gas
Solid
Liquid
Particles
Can you give an example of each?
Explain why air is a mixture
Keywords
bubbles
fizzes
gas
powder
precipítate
hot
Cold
Exothermic
Endothermic
Full transcript