The shape of the Moon looks __________ every night.

3. Burning of leaves ______ air.

Q.4 The ____ twinkle at night.

5. Animals use different _____ to talk to each other.

7. There are _____ colours in a rainbow.

7. We hear news, songs and talks on the ______.

8. At _____ the sun is above the head.

9. Air rotates the _____ of the windmills.

10. We see big colourful ______ on the roadside.

11. The sun is a hot ball of _____.

12. We cannot see air but we can ____ air.

Q.13 On a ____ day we see fluffy clouds in the sky.

Q.14 A ____ collects letters from post office and distributes them.

Q.15 We can get any information using ____ in a second.