Chemistry GCSE
States of matter and changes of state
What States of matter and changes of state means in Chemistry GCSE, as defined for AQA.
Definition of States of matter and changes of state
Check what you remember
Read the wording for your board, then hide it and explain States of matter and changes of state in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A substance is solid below its melting point, liquid between its melting and boiling points, and gas above its boiling point.
Topics that use States of matter and changes of state
- The three states of matter (AQA GCSE)
Related terms
- Boiling
- Changes of state
- Comparing melting and boiling points
- Energy transfers during changes of state
- Forces between particles
- Melting
- Melting and boiling points
- Particle model of matter
Using States of matter and changes of state in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge