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Syllabus

Heat — Syllabus

ICSE · Class 7 · Physics

What Heat covers in ICSE Class 7 Physics: 4 topics, for the 2026-27 session. Part of the ICSE Class 7 Physics syllabus.

45 questions33 flashcards14 formulas & key relations5 concepts

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An infographic comparing and illustrating the behavior of different types of solid materials (elastic, plastic, ductile, brittle, malleable) under applied stress, showing their deformation and fractur
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4 Topics · ICSE Class 7 Physics · 2026-27

Topics in Heat

1

1. Heat, Temperature, and Units

  • Heat is a form of energy which flows from a hot body to a cold body when they are kept in contact.
  • Temperature is a quantity which tells us the degree of hotness or coldness of a body.
  • Heat and temperature are different ideas. Heat is energy transfer, while temperature tells how hot or cold something is.
2

2. Thermometer and Temperature Scales

  • A mercury thermometer is a common laboratory thermometer.
  • It consists of a glass capillary tube with a mercury-filled bulb.
  • The stem has markings from -10°C to 110°C with 120 equal divisions.
3

3. Effects of Heat

  • Heat has three main effects: change in temperature, change in size or shape, and change in state.
  • When a body is heated, its temperature rises; when cooled, its temperature falls.
  • The change in temperature depends on the quantity of heat, the material of the body, and the mass of the body.
4

4. Change of State and Latent Heat

  • Change of state happens at a constant temperature.
  • Melting or fusion is the change from solid to liquid at a fixed temperature.
  • Freezing is the change from liquid to solid at a fixed temperature.

Key Concepts

Central concept: Heat as a form of energy and its effects and transfer

Heat as energyTemperatureUnits of heatUnits and scales of temperatureMercury thermometerEffects of heatThermal expansionChange of state

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Frequently Asked Questions

What are the important topics in Heat for ICSE Class 7 Physics?
Key topics in Heat include Heat, Temperature, and Units, Thermometer and Temperature Scales, Effects of Heat, Change of State and Latent Heat. Study these first, then practise questions on each for Class 7 exams.
How should I revise Heat for Class 7 exams?
Learn the core ideas first, then work through the 45 practice questions on Heat. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All ICSE Class 7 Physics Syllabus

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