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Solids, Liquids and Gases Video Lecture | Science Class 5

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FAQs on Solids, Liquids and Gases Video Lecture - Science Class 5

1. What are the three states of matter?
Ans. The three states of matter are solids, liquids, and gases. Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither a fixed shape nor volume.
2. How do solids differ from liquids and gases?
Ans. Solids differ from liquids and gases in their shape and volume. Solids have a fixed shape and volume, while liquids take the shape of their container but have a fixed volume, and gases have neither a fixed shape nor volume.
3. Can a substance exist in multiple states of matter?
Ans. Yes, a substance can exist in multiple states of matter. For example, water can exist as a solid (ice), liquid (water), or gas (water vapor) depending on the temperature and pressure.
4. What happens to the particles of matter when they change states?
Ans. When matter changes states, the particles rearrange themselves. In a solid, the particles are tightly packed and vibrate in fixed positions. In a liquid, the particles are close together but can move past each other. In a gas, the particles are far apart and move freely.
5. How does temperature affect the states of matter?
Ans. Temperature plays a crucial role in changing the states of matter. Increasing the temperature generally causes matter to change from a solid to a liquid, and then to a gas. Decreasing the temperature causes the reverse change, from gas to liquid to solid.
44 videos|204 docs|45 tests

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