General Science Test 20

General Science

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1. Moon is a natural satellite of the earth. In how many weeks it completes one orbit around the earth ?

 
 
 
 

2. The outer covering of the flower is called

 
 
 
 

3. Which is the smallest planet ?

 
 
 
 

4. Why rain water is soft but river water is hard ?

 
 
 
 

5. What happens to iron when it rusts ?

 
 
 
 

6. Which is the heaviest known metal on earth ?

 
 
 
 

7. Which planet is nearest to the sun ?

 
 
 
 

8. Why does a green object look green ?

 
 
 
 

9. Which planet is closest to the earth ?

 
 
 
 

10. “Why hand pump water is cold in summer and warm in winter ?

 
 
 
 

Question 1 of 10