Learning objective

Explain why energy transfer can change temperature without changing state.

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Topic

Internal energy and energy transfers

Subtopic

Internal energy

AQA GCSE PhysicsParticle model of matter

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Short explanation

Explain why energy transfer can change temperature without changing state. Application lens: Apply the rule to the specific sample or situation instead of reciting a broad fact. In Internal energy, this means changes of state are explained by particle energy and arrangement. The answer should use the approved wording from Internal energy and energy transfers, include temperature, and avoid drifting into another section of Particle model of matter. For revision, practise saying the exact objective aloud, then add the one calculation, particle movement, collision, graph, or practical detail that makes the statement true. A strong exam response for checkpoint 36 is specific to explain why energy transfer can change temperature without changing state and does not reuse a generic explanation from a neighbouring objective.

Key concepts

internal energytemperature change

Why it matters

This objective helps connect Internal energy to exam-style questions, flashcards, and revision notes for Internal energy and energy transfers.

Common mistakes

1 linked

Energy transfer and temperature change: Explain that energy transfer can increase the kinetic energy of particles, raising temperature while the system remains in the same state, and only when the energy is sufficient to overcome the latent heat does the state change.

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