In this Unit we will cover:
Unit 1 - The Water Cycle
1. Evaporation 2. Condensation 3. Percipitation
We keep a glass of water under the sun then we mark the level of water in the sun. After two hours, we look at the level of water in the glass again. The level of water has dropped! WHERE HAS THE WATER GONE?!!!!?
When water turns into water vapour due to heat, it is called EVAPORATION!
WHERE HAS THE WATER GONE?
The sun has heated up the water and it has turned into water vapour! Water vapour is nothing but HOT AIR!
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As the water vapour, which is hot air goes up and up the sky it becomes cooler. When it reaches the cool place in the sky it takes the shape of water again! So when water vapour reaches the cooler places, they join together and again change into water! THIS PROCESS IS CALLED CONDENSATION
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