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Contents
7G Solids, Liquids and Gases
Introducing states of matter
The particle model
Properties of solids, liquids and gases
Diffusion
Summary activities
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Different substances
What are the names of the substances described in this table?
(The first letters spell out another word for `substance'.)
Liquid metal Mercury
Solid used in aircraft Aluminium
Solid used to coat steel cans Tin
Intoxicating liquid Ethanol
Radioactive solid Radium
Solid that rusts Iron
Unreactive gas Argon
Solid used by Roman plumbers Lead
Aluminium
What different types Lead Ethanol
of materials are there?Radium
Argon Mercury Iron Tin
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Three states of matter
At room temperature most substances exist in one of three
physical states.
solid liquid gas
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Solid, liquid or gas?
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Solid, liquid or gas?
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