Exploring Outer Space
A Grade 8 science worksheet covering key concepts about outer space, including planets, celestial bodies, and space exploration.
Includes
Standards
Topics
Exploring Outer Space
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Good luck!
1. Which of the following planets is known as the 'Red Planet'?
Venus
Mars
Jupiter
Saturn
2. What is the name of our galaxy?
Andromeda
Triangulum
Whirlpool
Milky Way
3. The imaginary line that passes through the Earth's North and South Poles is called its .
4. A celestial body that orbits a planet is called a .
5. The Sun is a planet.
True
False
6. Asteroids are small, rocky objects that orbit the Sun.
True
False
7. Briefly describe the main difference between a star and a planet.
8. Label the planets in the diagram of our solar system below.

1.
2.
3.
4.
5.
6.
7.
8.