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Investigating Water’s Disappearing Act Video Lecture | Crash Course for Class 6

FAQs on Investigating Water’s Disappearing Act Video Lecture - Crash Course for Class 6

1. What causes water to disappear from a surface?

Ans. Water can disappear from a surface due to two main processes: evaporation and absorption. Evaporation occurs when water molecules gain enough energy to transform from liquid to vapor, especially when exposed to heat. Absorption happens when water seeps into materials like soil or cloth, making it less visible on the surface.

2. How does temperature affect the rate of water evaporation?

Ans. Temperature plays a significant role in the rate of evaporation. Higher temperatures provide more energy to water molecules, allowing them to escape into the air more quickly. Conversely, at lower temperatures, the evaporation rate decreases because the molecules have less energy to break free from the liquid state.

3. What is the water cycle, and how does it relate to water disappearing?

Ans. The water cycle is a natural process where water circulates through evaporation, condensation, and precipitation. Water disappearing from one area can lead to evaporation, which adds moisture to the atmosphere. This moisture can later condense and fall as precipitation elsewhere, demonstrating the continuous movement of water in the environment.

4. Can plants affect the amount of water in their surroundings?

Ans. Yes, plants can significantly affect the water levels in their surroundings through a process called transpiration. During transpiration, plants absorb water from the soil and release water vapor into the air through small openings in their leaves. This process can lead to a decrease in surface water.

5. Why is it important to understand water's disappearing act?

Ans. Understanding how and why water disappears is crucial for managing water resources effectively. It helps in predicting weather patterns, conserving water in agriculture, and ensuring sustainable practices in various industries. This knowledge is essential for protecting our environment and securing water for future generations.

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Oct 02, 2025 Last updated

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