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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. 
Due to _________ of light, we can see our image in mirror.
3. 
The sun, stars and lighting are the _______sources of light.
4. 
________ is the form of energy that is produced by vibrations in an object.
5. 
_______is a form of energy that helps us to see things around us.
6. 
Electricity produced from the fast-flowing water is called as_______.
7. 
Candle, oil lamp, torch, electric bulb are the ________sources of light.
8. 
_______ travels in all directions in straight lines.
9. 
In thermal power station, _______ is/are used to produce electricity.
10. 
There are _________colors in sunlight.
11. 
_______ can be transformed into another form.
12. 
How hydroelectricity is made?
13. 
There are _______ reserve of sources of energy like coal, oil and gas.
14. 
Coal, oil and gas are made in _______ of years.
15. 
the colors present in sunlight are: