Exploring Outer Space
A Grade 4 science worksheet to explore the planets, stars, and other celestial bodies in our solar system and beyond.
Includes
Standards
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Exploring Outer Space
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which planet is known as the 'Red Planet'?
Jupiter
Mars
Venus
Saturn
2. What is the name of the star at the center of our solar system?
Alpha Centauri
Polaris
The Sun
Sirius
3. The Earth is part of a larger system called the .
4. A large, round object that orbits a star is called a .
5. The path a planet takes around a star is called its .
6. The Earth is the largest planet in our solar system.
True
False
7. All planets in our solar system have moons.
True
False
8. Name two differences between a planet and a star.
Look at the image of our solar system below and answer the question.
9. Which planet is closest to the Sun?