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Northern IrelandPhysicsQuick questions
Density, pressure and kinetic theory
Quick questions on Particle model and changes of state - CCEA GCSE Physics
5short 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 changes of state?Show answer
A change of state is a physical change in which the particles are rearranged but the substance itself stays the same:
What are heating curves?Show answer
A heating curve plots temperature against time as a substance is heated steadily.
What is q1?Show answer
Describe the arrangement of particles in a liquid. [2 marks]
What is q2?Show answer
Name the change of state from gas to liquid. [1 mark]
What is q3?Show answer
Why does the temperature stay constant while a solid melts? [2 marks]
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