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

2. 
_______ travels in all directions in straight lines.

3. 
_______is a form of energy that helps us to see things around us.

4. 
_______ can be transformed into another form.

5. 
________ is the form of energy that is produced by vibrations in an object.

6. 
Coal, oil and gas are made in _______ of years.

7. 
How electricity is produced in thermal power station.

8. 
The biggest source of energy is the______.

9. 
the colors present in sunlight are:

10. 
In thermal power station, _______ is/are used to produce electricity.

11. 
When light strikes the shiny and smooth surface of mirror, it bounces back and enters our eye; this is called ___________of light.

12. 
After rain when sunlight pass through water droplets suspended in the air, they divide it into seven colors which is called________.

13. 
In windmill, electricity is produced from the energy of_______.

14. 
There are _________colors in sunlight.

15. 
How hydroelectricity is made?


jawad khalil

jawad khalil

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