Closed systems
What Closed systems means in Physics GCSE, as defined for OCR.
Definitions of Closed systems
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Closed systems in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The number of particles and the volume are fixed, so the reasoning relating temperature and pressure is kept to these systems.
A system in which no energy enters or leaves from outside, so the total energy stays the same.
Topics that use Closed systems
Related terms
- Atmospheric pressure and weight of air
- Cause-and-effect explanation
- Collisions with container walls
- Comparing pressures at different heights
- Conservation of energy
- Constant temperature and constant average particle speed
- Density and depth
- density comparison
Using Closed systems 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 Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge