Grade 12 Environmental science practice

What is on the worksheet

1. Uniform rainfall of 52 mm falls on 43 hectares. In a simplified model, 0.9 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

2. Uniform rainfall of 88 mm falls on 59 hectares. In a simplified model, 0.2 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

3. Uniform rainfall of 132 mm falls on 2 hectares. In a simplified model, 0.2 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

4. Uniform rainfall of 37 mm falls on 41 hectares. In a simplified model, 0.8 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

5. Uniform rainfall of 145 mm falls on 9 hectares. In a simplified model, 0.1 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

6. Uniform rainfall of 87 mm falls on 32 hectares. In a simplified model, 0.7 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

7. Uniform rainfall of 132 mm falls on 39 hectares. In a simplified model, 0.2 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

8. Uniform rainfall of 146 mm falls on 14 hectares. In a simplified model, 0.2 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

9. Uniform rainfall of 133 mm falls on 30 hectares. In a simplified model, 0.1 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

10. Uniform rainfall of 88 mm falls on 25 hectares. In a simplified model, 0.1 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

11. Uniform rainfall of 57 mm falls on 58 hectares. In a simplified model, 0.3 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

12. Uniform rainfall of 50 mm falls on 4 hectares. In a simplified model, 0.7 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

13. Uniform rainfall of 75 mm falls on 27 hectares. In a simplified model, 0.2 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

14. Uniform rainfall of 44 mm falls on 24 hectares. In a simplified model, 0.9 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

15. Uniform rainfall of 68 mm falls on 9 hectares. In a simplified model, 0.2 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

16. Uniform rainfall of 133 mm falls on 19 hectares. In a simplified model, 0.7 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

17. Uniform rainfall of 96 mm falls on 33 hectares. In a simplified model, 0.9 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

18. Uniform rainfall of 77 mm falls on 39 hectares. In a simplified model, 0.2 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

19. Uniform rainfall of 91 mm falls on 12 hectares. In a simplified model, 0.4 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.

20. Uniform rainfall of 80 mm falls on 6 hectares. In a simplified model, 0.9 of the rain becomes runoff. Find runoff volume in m³. Round the final result to 4 decimal places if needed. Answer in m³.