The Universe

The Universe Worksheet-10

1. Which of the following represents one day?

A. Amount of time taken by the Earth to complete a revolution around the Sun

B. Amount of time taken by the moon to complete a revolution around the Earth

C. Amount of time taken by the Earth to complete a rotation on its axis

D. Amount of time taken by the Sun to complete a rotation on its axis

2. _____ is the coldest planet of the solar system.

A. Earth             B. Saturn           C. Neptune        D. Mercury.