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Theory

Exercises

1. Water cycle and its steps

Difficulty: easy

3
2. Composition of water

Difficulty: easy

2
3. The loss and gain of water by earth

Difficulty: easy

2
4. Water and Water cycle

Difficulty: easy

2
5. Freshwater and its sources

Difficulty: medium

4
6. Match the terms related to water

Difficulty: medium

4
7. Hydrological cycle and the components of water

Difficulty: medium

4
8. The components and conservation of water

Difficulty: medium

4
9. Water: It availability, uses and forms

Difficulty: medium

4
10. Natural sources and importance of water

Difficulty: medium

4

Tests

1. Training test 1

Difficulty: medium

9
2. Training test 2

Difficulty: medium

10

Teacher manual