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A Journey through States of Water Video Lecture | Crash Course for Class 6 (Hinglish)

FAQs on A Journey through States of Water Video Lecture - Crash Course for Class 6 (Hinglish)

1. What are the three states of water and how do they differ from each other?

Ans. The three states of water are solid (ice), liquid (water), and gas (water vapor). In the solid state, water molecules are tightly packed together and have a fixed shape. In the liquid state, water molecules are close but can move around, allowing it to take the shape of its container. In the gas state, the molecules are far apart and move freely, resulting in no fixed shape or volume.

2. What is the process of changing water from one state to another called?

Ans. The process of changing water from one state to another is called a phase change. This includes melting (solid to liquid), freezing (liquid to solid), evaporation (liquid to gas), condensation (gas to liquid), and sublimation (solid to gas) or deposition (gas to solid).

3. How does temperature affect the states of water?

Ans. Temperature plays a crucial role in determining the state of water. At low temperatures, water freezes into ice, while at high temperatures, it can evaporate into water vapor. The phase changes occur at specific temperature points, such as 0°C for freezing and 100°C for boiling at standard atmospheric pressure.

4. Why is water considered a unique substance in its different states?

Ans. Water is considered unique because it is the only substance that exists naturally in all three states (solid, liquid, gas) under normal Earth conditions. Additionally, it has a high specific heat capacity, meaning it can absorb a lot of heat without a significant increase in temperature, which is essential for regulating climate and supporting life.

5. How do human activities impact the water cycle and its states?

Ans. Human activities, such as industrial processes, agriculture, and urbanization, can significantly impact the water cycle. Pollution can contaminate water sources, while deforestation can affect evaporation and precipitation patterns. Climate change, driven by human actions, can alter temperature and precipitation patterns, leading to changes in the states of water in the environment.

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Oct 24, 2025 Last updated

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