L-21 Heavenly Bodies

The heavenly body where life exists - ________

• The sun

• The stars

• The moon

• The Earth

The envelope of air which surrounds our planet earth is called ______.

• air

• space

• atmosphere

• the Universe

Spinning of the Earth on its own axis causes ____________

• weather

• only day

• only night

• day and night

Spinning of the Earth on its own axis is called __________.

• weather

• revolution

• rotation

• orbiting

The Earth spins from ___________ all the time.

• east to west

• only the west direction

• west to east

• only the east direction

The atmosphere of the Earth helps to maintain a ____________ temperature on the Earth.

• high

• moderate

• cool

• low

The time taken by the earth to spin from west to east is ________.

• 24 light years

• 24 days

• 24 nights

• 24 hrs

Give reason why?

Earth is the only planet that has life.

• It has no air

• It has no water

• It has water and air

• It has only air

Give reason why?

The sun is a huge ball of fire.

• It appears yellow in colour.

• It is made up of hot gases.

• It has plenty of water

• It gives us light.

Give reason why?

The sun is the biggest star.

• It has light of its own.

• It reflects the light of the stars.

• It is nearest to our planet Earth.

• It gives us light.