Characteristics of Our Solar System's Planets Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. A comet is a(n)

Question 2 2. Which planet is known as the blue planet (other than Earth, which is also sometimes called the blue planet)?

Question 3 3. Which planet is the smallest in the solar system?

Question 4 4. Which of the planets has a large satellite?

Question 5 5. What is the IAU's definition of a dwarf planet?

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Question 6 6. In its early stages, the Earth looked much different than it does now. How would you differentiate between the two stages?

Question 7 7. An asteroid is a(n)

Question 8 8. A meteorite is a(n)

Question 9 9. Which of the inner planets rotates backwards?

Question 10 10. Which planet is tipped on its side and spins nearly horizontally?

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Question 11 11. What are the four outer planets in order from the sun?

Question 12 12. What are the planets in order from the sun?

Question 13 13. Where in the Milky Way galaxy is our solar system located?

Question 14 14. The Earth was under continuous bombardment by meteorites and comets as it formed and continued to take shape. What was the significance of comets hitting the Earth during that time?

Question 15 15. Which dwarf planet does not reside in the Kuiper belt?

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Question 16 16. Which planet is known for its rings?

Question 17 17. How long after the Earth was formed did it take to achieve the state we recognize now?

Question 18 18. Asteroids originate mostly in the

Question 19 19. Which former planet is now considered to be a dwarf planet?

Question 20 20. In what decade was Pluto's designation as a planet first called into question?

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Question 21 21. How did the Earth most likely form?

Question 22 22. How many dwarf planets do astronomers believe they will find in the solar system in the future?

Question 23 23. Comets come from

Question 24 24. Which of the inner planets is the hottest?

Question 25 25. Why was Pluto ultimately reclassified as a dwarf planet?

Characteristics of Our Solar System's Planets Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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