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Class 4 Science Chapter 5 Test 1


Updated: 12 Jun 2022

500


Welcome to your Class 4 Science Chapter 5 Test 1

1. 
_______ can be transformed into another form.

2. 
There are _________colors in sunlight.

3. 
Due to _________ of light, we can see our image in mirror.

4. 
The sun, stars and lighting are the _______sources of light.

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

6. 
How hydroelectricity is made?

7. 
When light strikes the shiny and smooth surface of mirror, it bounces back and enters our eye; this is called ___________of light.

8. 
_______is a form of energy that helps us to see things around us.

9. 
_______ travels in all directions in straight lines.

10. 
Water (flowing), air, coal, oil, gas and wood are the sources of______.

11. 
How electricity is produced in thermal power station.

12. 
The biggest source of energy is the______.

13. 
Candle, oil lamp, torch, electric bulb are the ________sources of light.

14. 
After rain when sunlight pass through water droplets suspended in the air, they divide it into seven colors which is called________.

15. 
The ability to do work is called ________.


jawad khalil

jawad khalil

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