Class 5 · Science · No. 13
Water, the essence of life
Rain on the window, a pond full of fish, a handpump in the village: all of it is water, and all life needs it. In this chapter you will find out how little of the water on Earth we can drink, follow water on its round trip from the sea to the sky and back, and see how rain is saved deep under the ground.
Think about it
If all the water on Earth were in one glass, how much of it could we drink?
In this chapter
- §1Salty and fresh
- §2The water cycle
- §3Water under the ground
- ★Practice: 8 questions
- ◆Olympiad challenge: 4 questions
- ✓Recap: remember this
Class 5 plan
This chapter opens with the Class 5 plan
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Plate IWater, the essence of life