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Class 5 Science Chapter 6 Test 2

Welcome to your Class 5 Science Chapter 6 Test 2

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1. 
The sounds which are pleasant to our ears are called _______.

2. 
Sound travels _______ through solid objects than the air.

3. 
Speed of sound is maximum in:.

4. 
The intensity of sound _______with the increase of distance from its source.

5. 
The louder the sound, the _______ is its intensity.

6. 
Speed of sound in water is _______ meter per second.

7. 
A vibrating object produces _______.

8. 
The sounds which are unpleasant to our ears are called _______.

9. 
Which object does reflect maximum light?

10. 
Speed of sound in air is _______ meter per second.

11. 
The _______ who landed on the moon use wireless radio system for talking.

12. 
Sound is a form of energy which produces _______ in matter particles.

13. 
Intensity of sound depends on its _______.

14. 
Which of the following sounds is called noise?

15. 
How does light travel in air?

16. 
Sound cannot pass through space due to

17. 
When water comes in the way of sound travelling through air:

18. 
Speed of sound in iron is _______ meter per second.

19. 
Buzzing of flies and mosquitoes is due to _______ of their wings.

20. 
The speed of sound in solid objects is almost _______ times greater than air.

21. 
Sound can travel through:

22. 
We hear sound when it enters our ears after passing through _______.

23. 
When an object vibrates, it forces the air particles around it to vibrate and thus _______ travel from one plane to another.

24. 
Sound cannot pass through _______.

25. 
The speed of sound in water is almost _______ times greater than air.