Solar System Quiz 8 (25 MCQs)

Quiz Instructions:

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1. What are the main layers of Earth called?

2. The imaginary line running through the center of Earth.

3. The _____ is found right after Neptune's orbit.

4. What factor determines the color of a star?

5. Which of the following is one way stars are different from moons?

6. Which early astronomer was the first one to use a telescope to observe the night sky?

7. An enormous system of gas, dust, and stars held together by gravity is called a _____

8. What materials could not survive the heat where the rocky planets were formed?

9. Which scientist found that planetary orbits were elliptical?

10. What force pulled the solar system together out of a cloud of gas and dust?

11. Scientists hypothesize that _____ put oxygen in to the atmosphere.

12. Which planet is third from the sun?

13. The second smallest planet and the one closest to the Sun is _____

14. The region of the solar system that is between the orbits of Mars and Jupiter where most asteroids are located

15. What is the relationship between gravity and size?

16. The moon Titan orbits what planet?

17. Our Solar System is also known as the?

18. I am the fifth planet from the Sun. I am the fastest spinning planet in the solar system.

19. If the moon is a crescent shape then changes to a gibbous. What is the next phase?

20. What is responsible for keeping the Moon's orbit regular?

21. The only planet that supports life.

22. He used to mathematics to help him understand that the solar system was heliocentric, the sun is center of the solar system

23. When meteoroids burn up in the Earth's atmosphere, causing a streak of light

24. Who proposed Tidal theory?

25. I am the seventh planet in the solar system. My nickname is 'Ice Giant'