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Class 4 Science Chapter 5 Test 1


Updated: 12 Jun 2022

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Welcome to your Class 4 Science Chapter 5 Test 1

1. 
_______is a form of energy that helps us to see things around us.

2. 
________ is the form of energy that is produced by vibrations in an object.

3. 
The sun, stars and lighting are the _______sources of light.

4. 
How hydroelectricity is made?

5. 
Candle, oil lamp, torch, electric bulb are the ________sources of light.

6. 
When light strikes the shiny and smooth surface of mirror, it bounces back and enters our eye; this is called ___________of light.

7. 
Electricity produced from the fast-flowing water is called as_______.

8. 
The biggest source of energy is the______.

9. 
Coal, oil and gas are made in _______ of years.

10. 
The ability to do work is called ________.

11. 
How electricity is produced in thermal power station.

12. 
_______ travels in all directions in straight lines.

13. 
the colors present in sunlight are:

14. 
Water (flowing), air, coal, oil, gas and wood are the sources of______.

15. 
Due to _________ of light, we can see our image in mirror.


jawad khalil

jawad khalil

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