Physics A-Level
Internal energy and particle potential energy
What Internal energy and particle potential energy means in Physics A-Level, as defined for OCR.
Definition of Internal energy and particle potential energy
Check what you remember
Read the wording for your board, then hide it and explain Internal energy and particle potential energy in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The internal energy changes during a phase change because the potential energy of the particles changes as bonds are broken or formed.
Topics that use Internal energy and particle potential energy
- Solid, liquid and gas (OCR A-Level)
Related terms
- Absolute zero
- Brownian motion
- Change of phase
- Constant temperature during phase change
- Energy transfer in melting and boiling
- Experimental observation through a microscope
- Explaining shape, volume and pressure with the model
- Internal energy
Using Internal energy and particle potential energy 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.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge