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4.3 Particle model of matter
Quick questions on Internal energy and changes of state - AQA GCSE Physics
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Define the internal energy of a system. [2 marks]
What is q2?Show answer
Explain why the temperature stays constant while ice is melting. [2 marks]
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