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Science
Class 9

ICSE · Class 9 · Physics

Heat and Energy

Chapter 5ICSE · Class IX · examination 2028

3 worlds for this chapter.

Topics

Heat
- Heat and temperature
- Anomalous expansion of water
- Hope’s experiment
- Greenhouse effect and energy degradation

Learning objectives

Explain a consequence of water’s anomalous expansion.

Worlds

Places to explore freely · 3 worlds

WorldHeat TransferA thermal camera over a real solver — conduction along a rod, a beaker turning over, radiation you meter, ice on its plateau
WorldHeat & Kinetic TheoryCool nitrogen to −190 °C, count its molecules hitting a wall, and fly a hot-air balloon on the difference in density
WorldSolar SystemBoard a spacecraft and travel the real Solar System — planets where they actually are today

Practice

Questions for Class 9 Physics, with worked answers, on screen or as a printed paper.

Open the question bank

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