Physics GCSE
change of state
What change of state means in Physics GCSE, as defined for AQA.
Definitions of change of state
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Reference: AQA
What happens when the temperature stays constant while the energy goes to the potential store, separating the particles against the forces holding them together.
A change such as melting, freezing, boiling, condensing or evaporating, in which specific latent heat is involved with no change of temperature.
Topics that use change of state
- Changes of state and specific latent heat (AQA GCSE)
- Internal energy (AQA GCSE)
Related terms
- Specific latent heat
- constant temperature during melting
- constant temperature plateau
- E = m L
- heating a system
- heating curves
- heating graph sections
- internal energy
Using change of state in the exam
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