Contents
Key Stage 3
Meaning
A physical change is a reversible change that doesn’t result in new chemicals being formed.
About Physical Changes
There are several physical changes that can happen to materials:
- State Changes - Changing between solid, liquid and gas.
- Dissolving - When a solid is broken down into small pieces to become part of a liquid.
Key Stage 4
Meaning
A physical change is a reversible change that doesn’t result in new chemicals being formed.
About Physical Changes
There are several physical changes that can happen to materials:
- State Changes - Changing between solid, liquid and gas.
- Dissolving - When a solid is broken down into small pieces to become part of a liquid.
- Crystalisation - When a substance forms crystals causing it to become harder and more brittle.
- Magnetisation - When a material becomes magnetic or loses its magnetism.
References
AQA
- Physical changes, page 101, GCSE Combined Science Trilogy; Physics, CGP, AQA
- Physical changes, page 111, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA
- Physical changes, page 195, GCSE Combined Science; The Revision Guide, CGP, AQA
- Physical changes, page 39, GCSE Physics; The Revision Guide, CGP, AQA
- Physical changes, page 73, GCSE Physics, Hodder, AQA
- Physical changes, pages 78-85, GCSE Physics; Third Edition, Oxford University Press, AQA