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Particle ModelIntroduction

The Temperature That Refuses to Rise

Part of States of Matter · GCSE GCSE Physics revision

This introduction covers The Temperature That Refuses to Rise within States of Matter for GCSE Physics. Revise States of Matter in Particle Model for GCSE Physics with 13 exam-style questions and 30 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 1 of 13 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 1 of 13

Practice

13 questions

Recall

30 flashcards

📖 The Temperature That Refuses to Rise

Heat an ice cube. Its temperature rises steadily toward 0°C. Then something strange happens — you keep adding heat, but the temperature STUBBORNLY STAYS at 0°C until ALL the ice has melted. Why? Because the energy isn't making particles move faster (which would raise temperature). Instead, it's being used to break the bonds holding particles in fixed positions. Only when all bonds are broken does the temperature start rising again. Same thing happens at 100°C when water boils!

Keep building this topic

Read this section alongside the surrounding pages in States of Matter. That gives you the full topic sequence instead of a single isolated revision point.

Particle Arrangement in Three StatesThe Three States of Matter ComparedDeep Dive: Why Temperature Stays Constant During State Changes

Practice Questions for States of Matter

In which state of matter are particles arranged in a regular pattern and only vibrate about fixed positions?

  • A. Solid
  • B. Liquid
  • C. Gas
  • D. Plasma
1 markfoundation

Explain what happens to the particles in a solid when it is heated until it melts. Include what happens to the temperature during melting.

3 marksstandard

Quick Recall Flashcards

Particles in gas?
Random, far apart, fast in all directions
Particles in solid?
Regular pattern, vibrate in fixed positions

13 questions on States of Matter — practise free

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Particle Arrangement in Three States