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Class 4 Science Chapter 5 Test 1

Welcome to your Class 4 Science Chapter 5 Test 1

1. 
In windmill, electricity is produced from the energy of_______.

2. 
After rain when sunlight pass through water droplets suspended in the air, they divide it into seven colors which is called________.

3. 
Coal, oil and gas are made in _______ of years.

4. 
Electricity produced from the fast-flowing water is called as_______.

5. 
The ability to do work is called ________.

6. 
The sun, stars and lighting are the _______sources of light.

7. 
Water (flowing), air, coal, oil, gas and wood are the sources of______.

8. 
There are _______ reserve of sources of energy like coal, oil and gas.

9. 
How electricity is produced in thermal power station.

10. 
________ is the form of energy that is produced by vibrations in an object.

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

12. 
_______ travels in all directions in straight lines.

13. 
_______is a form of energy that helps us to see things around us.

14. 
_______ can be transformed into another form.

15. 
There are _________colors in sunlight.