Rotation and revolution - 2

How do astronomers work out the length of a year?

• a year

• a day

Describe the Sun.

What is a revolution?

• a revolution

• a rotation

What is a rotation?

• a revolution

• a rotation

How long does it take for the Earth to orbit the Sun?

• 365 days, 5 hours, 48 minutes, and 46 seconds

• 24 hours

• 29 days

• 12 hours

How long does it take for the Earth to complete one rotation on its axis?

• 24 hours

• 365 days

• 29 days

• 12 hours

How long does it take for the Moon to complete one rotation on its axis?

• 24 hours

• 365 days

• 29 days

• 12 hours

What is the main source of light for the Moon?

• The Earth

• The Sun

• The Stars

• The Planets

The Earth rotates on it's ____, an imaginary line running through the center of Earth.

THE CORRECT SPELLING

• ERATH

• THEAR

• EARTH

• ATEHER