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Class 4 Science Chapter 7 Test 1

Welcome to your Class 4 Science Chapter 7 Test 1

1. 
______ not only provide us timber but are also natural habitats for animals.

2. 
The outer layer of the Earth is called ______.

3. 
About _______ of the Earth’s surface is covered by water.

4. 
Fast blowing air is used to generate _________.

5. 
Natural gas is used for:

6. 
The basic material that humans get from land, sea or air is called _______resources.

7. 
We produce kerosene, petrol, diesel, engine oil, grease, petroleum jelly and coaltar from the ______.

8. 
In the globe of earth, green or light brown indicates ______

9. 
About ________ of the Earth’s surface is land.

10. 
Forests cover _______ of the total area of Pakistan.

11. 
The ______ percent of water is present in glaciers, streams, rivers and lakes.

12. 
About ______ of the land is cultivated in the world.

13. 
The water from rivers and streams flow to ______

14. 
______ is commonly used to make buildings and glass.

15. 
World soil day is celebrated on________.