Combined Science GCSE
Internal Energy
What Internal Energy means in Combined Science GCSE, as defined for Pearson Edexcel.
Definition of Internal Energy
The total kinetic and potential energy of all the particles that make up a system.
Topics that use Internal Energy
- Particle model (Pearson Edexcel GCSE)
Related terms
- Kinetic Energy (of particles)
- Specific Latent Heat of Fusion
- Intermolecular Forces
- Specific Heat Capacity
- Thermal Insulator
Using Internal Energy in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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