Name ______Date______Number______

Space Unit Test

1. What object in the solar system produces its own light? A. Earth B. Moon

C. Sun D. Asteroid

2. Why is the moon so bright in the night sky? A. It creates its own light B. It reflects the sun’s light

C. It has stars on it D. It reflects the earth’s light

3. Which planet has the Great Red Spot? A. Jupiter B. Mars

C. Mercury D. Neptune

4. Which planet is the smallest and orbits the sun the fastest? A. Jupiter B. Mars

C. Venus D. Mercury

5. Which planet is the only with life on it? A. Mars B. Venus

C. Earth D. Uranus

6. Which planet is nicknamed the Red Planet? A. Jupiter B. Neptune

C. Mars D. Saturn

7. Which planet is the hottest? A. Mercury B. Venus

C. Mars D. Saturn Name ______Date______Number______

8. Which planet is known for its rings? A. Saturn B. Venus

C. Mars D. Earth

9. Which planet is the windiest? A. Jupiter B. Neptune

C. Uranus D. Saturn

10. Which planet is tilted sideways? A. Neptune B. Jupiter

C. Uranus D. Venus

11. What object in our solar system is called a Dwarf Planet? A. Pluto B. Triton

C. Moon D. Neptune

12. What is at the center of our solar system?

A. Earth B. our moon C. the sun D. Mars

13. The inner planets are made of ______. A. gases B. rock C. lava D. fire

14. The earth completes one revolution around the sun. This is called a ______. A. year B. hour C. day D. minute Name ______Date______Number______

15. Earth completes one rotation on its axis. This is called a ______. A. year B. hour

C. day D. minute

16. Circle the correct order of the moon phases a. Full Moon, First Quarter, Third Quarter, New Moon b. New Moon, Full Moon, First Quarter, Third Quarter c. Full Moon, First Quarter, New Moon, Third Quarter d. New Moon, First Quarter, Full Moon, Third Quarter

17. Which object is most likely a moon? 2 a. Object 1 4 b. Object 2 1 c. Object 3 3 d. Object 4

Planet Word Blank for Solar System on the back

Jupiter Earth Saturn Mercury Mars Venus Neptune Uranus

Bonus: All of the outer planets are made out of ______.