fbpx

Class 4 Science Chapter 7 Test 2


Updated: 12 Jun 2022

486


Welcome to your Class 4 Science Chapter 7 Test 2

1. 
The skeletons of many ancient animals are still preserved in:

2. 
Dinosaurs were present on earth ______ of years ago.

3. 
Glass is made from:

4. 
Those unlimited resources which can be replaced after use are called _____resources.

5. 
Fossils are found under ______

6. 
______ were lizards like giant animals.

7. 
______ are simple solid chemical substances which are present in the earth.

8. 
Due to excessive use of natural resources, renewable resources will also run out or will become________.

9. 
_______is/are called non-renewable resources.

10. 
Coal, petrol, diesel and natural gas take ______ of years to form

11. 
The imprints or remains of many organisms that do not exist in this world now are known as______.

12. 
Coal, petrol, diesel and natural gas are ______ resources.

13. 
Those resources which cannot be replaced by new ones easily are called ______ resources

14. 
An example of non-renewable sources is:

15. 
______ are used to make wires, coins, jewelry and utensils.

16. 
Air, water, soil, forest and solar energy are ________resources.

17. 
Recycling saves natural resources by making things________.

18. 
About what percentage of the Earth’s surface is land?

19. 
To make things reusable is called:

20. 
The lavish use of natural resources is causing irreparable ______ to our environment.


jawad khalil

jawad khalil

Please Write Your Comments