AQA · Physics · 8463
GCSE Physics: Internal energy
Particle model of matter · AQA GCSE Physics (8463), specification point 4.3.2.1. Cards are generated from the exam board's own specification for "Internal energy", and every card links back to the page it came from. Specification © AQA — used with attribution.
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What is internal energy?
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The total kinetic energy and potential energy of all the particles (atoms and molecules) that make up a system.
Internal energy is the total ? energy and potential energy of all the particles in a system.
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kinetic
Internal energy is the total kinetic energy and ? energy of all the particles in a system.
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potential
Where is the internal energy of a system stored?
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In the particles (atoms and molecules) that make up the system.
What name is given to the energy stored inside a system by its particles?
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Internal energy.
How does heating change the internal energy of a system?
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It increases the energy of the particles that make up the system, so the internal energy increases.
What are the two possible effects of heating a system?
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It either raises the temperature of the system or produces a change of state.
Heating a system either raises its temperature or produces a change of ?.
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state
Which two types of particle make up the internal energy store of a system?
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Atoms and molecules.
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