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Substance

Key Stage 2

Meaning

A substance is what things are made out of.

Examples

Water is a substance.
Salt Water is a substance.
Plastic is a substance. There are many different types of plastic.
Metal is a substance. There are many different types of metal.

Used in a Sentence

A lake is full of a substance called water.
The sea is made of salt water.
A ruler can be made of a substance called plastic.
The substance that is used to make swords is metal.

Key Stage 3

Meaning

A substance is material with the same properties all through it.

References

Edexcel

Substances; insoluble, page 6, GCSE Chemistry, Pearson, Edexcel
Substances; mixtures, pages 4-5, GCSE Chemistry, Pearson, Edexcel
Substances; pure, page 4, GCSE Chemistry, Pearson, Edexcel