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12-Light and Shadow: Worksheet-12.1 : Answers
A. 1.
4.
hot gases
star
B. 1.
A shadow is formed when an object on which light is falling blocks the light.
2.
The Sun looks small because it is very far away from the Earth.
3.
The Sun is almost overhead in the afternoon. This makes the shadows shorter.
4.
The Sun is the only star around which the earth rotates. The Earth therefore gets light only from the Sun.
5.
We need light to see objects. There is no light when it is dark.
C. 1.

2. is very far away from us
5. many times bigger
B. 
C. 
3. light, heat
D.