Exploring Outer Space
A Grade 5 science worksheet exploring the solar system, planets, and other celestial bodies.
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Standards
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Exploring Outer Space
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Good luck!
1. Which planet is known as the 'Red Planet'?
Venus
Mars
Jupiter
Saturn
2. What is the name of our galaxy?
Andromeda
Triangulum
Milky Way
Whirlpool
3. The Sun is a .
4. Earth is the planet from the Sun.
5. A large, icy body that orbits the Sun is called a .
6. All planets in our solar system have moons.
True
False
7. Astronauts can breathe normally in space without a special suit.
True
False
8. Name the four inner planets of our solar system.
9. Label the planets in the diagram of our solar system below.

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