Class 9 / Science

Chapter 2: Matter and Materials

Explores solids, liquids, gases, mixtures, and useful materials around us. This Class 9 chapter includes clear explanations, practice ideas, and a PDF revision note.

Topics

Topic 1

Topic 1: States of Matter

Compare solids, liquids, and gases.

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Topic 2

Topic 2: Changes Around Us

Observe reversible and irreversible changes.

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Topic 3

Topic 3: Separating Mixtures

Use simple methods like filtering and evaporation.

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