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Evaporation and Condensation Video Lecture | Science Class 6

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FAQs on Evaporation and Condensation Video Lecture - Science Class 6

1. What is evaporation and condensation?
Evaporation refers to the process of converting a liquid into its gaseous state, usually due to the increase in temperature. Condensation is the opposite process, where a gas or vapor changes into a liquid when it loses heat.
2. How does evaporation occur?
Evaporation occurs when the molecules of a liquid gain enough energy to break free from the liquid's surface and become vapor. This energy is usually provided by an increase in temperature or a decrease in atmospheric pressure.
3. What factors affect the rate of evaporation?
Several factors can affect the rate of evaporation, including temperature, humidity, surface area, and air movement. Higher temperatures, lower humidity, larger surface areas, and increased air movement tend to promote faster evaporation.
4. What is the importance of evaporation and condensation?
Evaporation and condensation play crucial roles in the water cycle. Evaporation helps in the formation of clouds and precipitation, which are essential for the distribution of water resources across the Earth. Condensation, on the other hand, allows the recovery of water from the atmosphere, ensuring the availability of freshwater for various uses.
5. How can we observe evaporation and condensation in everyday life?
We can observe evaporation in our daily lives through various examples, such as the drying of wet clothes, the evaporation of water from a glass left out in the sun, or the disappearance of a puddle after rainfall. Condensation can be observed when steam from hot food or drinks hits a cold surface, forming droplets of water.
99 videos|261 docs|49 tests
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