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
|