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What are the Different States of Water II Video Lecture | Crash Course for Class 6
FAQs on What are the Different States of Water II Video Lecture - Crash Course for Class 6
| 1. What are the three states of water? |  |
Ans. The three states of water are solid, liquid, and gas. In its solid state, water is ice, which forms when water freezes at 0 degrees Celsius. In its liquid state, water is what we commonly see in rivers, lakes, and oceans. When water heats up and turns into vapor, it enters its gas state, which we call water vapor.
| 2. How does water change from one state to another? | |
Ans. Water changes from one state to another through processes known as melting, freezing, evaporation, and condensation. Melting occurs when ice (solid) warms up and turns into liquid water. Freezing is the opposite process, where liquid water cools down and becomes ice. Evaporation happens when liquid water is heated and transforms into water vapor (gas). Condensation occurs when water vapor cools down and turns back into liquid water.
| 3. What is the importance of the water cycle in nature? | |
Ans. The water cycle is crucial for maintaining life on Earth. It involves the continuous movement of water through various states and locations, ensuring that water is available for plants, animals, and humans. The cycle helps regulate climate, supports ecosystems, and replenishes freshwater sources through processes like precipitation, evaporation, and infiltration.
| 4. Can water exist in more than one state at the same time? | |
Ans. Yes, water can exist in more than one state at the same time. This phenomenon occurs at the melting point of ice, where solid ice and liquid water coexist. Similarly, during boiling, water can exist as both liquid and gas (steam) at the same time when it reaches its boiling point.
| 5. Why is water considered a unique substance? | |
Ans. Water is considered unique because it has unusual properties that are vital for life. For example, water has a high specific heat capacity, meaning it can absorb a lot of heat without a significant change in temperature. Additionally, water expands when it freezes, making ice less dense than liquid water, which is why ice floats. These properties help regulate temperature in the environment and support various biological processes.
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Oct 23, 2025
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