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Class 5 Science Chapter 8 Test 2

Welcome to your Class 5 Science Chapter 8 Test 2

1. 
Humans retain moisture in the soil and make the soil ________.

2. 
Below top layer, a layer of subsoil which contains ________.

3. 
Major part of the Earth is made up of ________.

4. 
On earth, the water is found in:

5. 
The top layer of soil contains sufficient amount of ________.

6. 
The breakdown of rocks by sunshine, severe rains and fast wind blowing is called ________.

7. 
The lowest layer consists of ________.

8. 
The fresh water available to mankind is about ________ of the total water on the Earth’s surface.

9. 
The water on the Earth is found in ________ states.

10. 
Glaciers, rain, lakes, springs and underground water are the sources of ________water.

11. 
About ________ of the water on Earth’s surface is frozen.

12. 
About ________ of the water in the oceans is salty.

13. 
________ is the organic matter produced by the decay of vegetables, plants and dead animals.

14. 
The ________ of the Earth surface is covered by water.