This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 31 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How is Venus different from Jupiter? A) Jupiter is a gas giant, Venus is a terrestrial planet. B) Jupiter is a planet, Venus is a large asteroid. C) Jupiter is a terrestrial planet, Venus is a gas giant. D) Jupiter has no moons, Venus has two moons. Show Answer Correct Answer: A) Jupiter is a gas giant, Venus is a terrestrial planet. 2. Pieces of rock that break off of asteroids and travel through space A) Meteoroid. B) Meteor. C) Meteorite. D) None of above. Show Answer Correct Answer: A) Meteoroid. 3. What are the 4 inner planets? A) Mercury, Earth, Jupiter, Saturn. B) Neptune, Uranus, Saturn, Jupiter. C) Mercury, Venus Earth, Mars. D) Mars, Jupiter, Pluto, Uranus. Show Answer Correct Answer: C) Mercury, Venus Earth, Mars. 4. This is the eighth (last) planet from the Sun; it is deep dark blue in color. A) Earth. B) Neptune. C) Mercury. D) Jupiter. Show Answer Correct Answer: B) Neptune. 5. If you were to conduct an experiment using a ball, a flashlight, and a dark room, what would you be investigating? A) The speed of light. B) Why there are dark spots on the sun. C) The atmosphere of Earth. D) The phases of the moon. Show Answer Correct Answer: D) The phases of the moon. 6. The length of a year on a planet is best explained by A) The planet rotating on its axis. B) The Sun rotating on its axis. C) The revolution around the Sun. D) The seasons. Show Answer Correct Answer: C) The revolution around the Sun. 7. What is the only planet known to contain life? A) Mars. B) Earth. C) Neptune. D) Uranus. Show Answer Correct Answer: B) Earth. 8. How would the planets move if the sun had no gravity? A) The planets would move off in a straight line without the sun. B) The planets would stop moving without the sun. C) The planets would continue to move in orbit without the sun. D) None of above. Show Answer Correct Answer: A) The planets would move off in a straight line without the sun. 9. Do you think dwarf planets are important? A) Yes, They are leftovers from the formation of the solar system. B) No. They don't mean anything. C) None of the above. D) All of the above. Show Answer Correct Answer: A) Yes, They are leftovers from the formation of the solar system. 10. Which of the following planets are the gas giants, outer planets? A) Mercury, Venus, mars. B) Jupiter, Saturn, uranus. C) Mars, Jupiter, venus. D) None of above. Show Answer Correct Answer: B) Jupiter, Saturn, uranus. 11. Your friend asks you to help with an investigation using a ball, a flashlight, and a dark room. What might you be investigating? A) The speed of light. B) Why there are dark spots on the sun. C) The atmosphere of Earth. D) The phases of the moon. Show Answer Correct Answer: D) The phases of the moon. 12. Which of these characteristics of the earth best explains the change of seasons? A) The diameter of the earth. B) The tilt of Earth's axis. C) The speed of the earth's rotation. D) The distance from the earth to the sun. Show Answer Correct Answer: B) The tilt of Earth's axis. 13. Most asteroids are located in the area between the orbits of ..... A) Earth and Mars. B) Jupiter and Saturn. C) Mars and Jupiter. D) Mercury and Venus. Show Answer Correct Answer: C) Mars and Jupiter. 14. Which is the largest planet in the solar system? A) Jupiter. B) Saturn. C) Mars. D) Neptune. Show Answer Correct Answer: A) Jupiter. 15. Why is Mercury very dry and hot? A) It is the largest planet. B) It has a hot, molten center. C) It is the smallest planet. D) It is the closest planet to the sun. Show Answer Correct Answer: D) It is the closest planet to the sun. 16. Choose the planet closest to the sun. A) Neptune. B) Mercury. C) Earth. D) Pluto. Show Answer Correct Answer: B) Mercury. 17. Which is the BIGGEST planet? A) Earth. B) Jupiter. C) Uranus. D) None of above. Show Answer Correct Answer: B) Jupiter. 18. A small rocky object orbiting the sun. A) Asteroid. B) Comet. C) Moon. D) Meteor. Show Answer Correct Answer: A) Asteroid. 19. What causes the seasons to change? A) The earth rotates on its axis. B) The earth revolves around the sun. C) The earth's axis is tilted. D) Wind patterns on earth. Show Answer Correct Answer: C) The earth's axis is tilted. 20. The unit of measurement for distances OUTSIDE the solar system is a ..... A) Astronomical Unit. B) Light-year. C) Kilometer. D) Apparent Magnitude. Show Answer Correct Answer: B) Light-year. ← PreviousNext →Related QuizzesScience QuizzesSolar System Quiz 1Solar System Quiz 2Solar System Quiz 3Solar System Quiz 4Solar System Quiz 5Solar System Quiz 6Solar System Quiz 7Solar System Quiz 8Solar System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books