This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 22 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the order of the distances of the terrestrial planets from the Sun, from closest to farthest? A) Mercury, Earth, Venus, Mars. B) Mars, Earth, Venus, Mercury. C) Mercury, Venus, Earth, Mars. D) Venus, Earth, Mars, Mercury. Show Answer Correct Answer: C) Mercury, Venus, Earth, Mars. 2. How many miles is Earth from the sun? A) 93 million. B) 72 million. C) 39 million. D) 82 million. Show Answer Correct Answer: A) 93 million. 3. Which planet do the moons Oberon and Titania belong to? A) Venus. B) Uranus. C) Earth. D) Jupiter. Show Answer Correct Answer: B) Uranus. 4. These are the 4 planets (Mercury, Venus, Earth, Mars) are known as A) Terrestrial planets. B) Gas giants. C) Dwarf planets. D) Solar planets. Show Answer Correct Answer: A) Terrestrial planets. 5. Which is NOT an inner planet? A) Mercury. B) Venus. C) Earth. D) Jupiter. Show Answer Correct Answer: D) Jupiter. 6. Approximately how old is the universe? A) 10.3 billion years. B) 12.5 billion years. C) 13.7 billion years. D) 5 billion years. Show Answer Correct Answer: C) 13.7 billion years. 7. Which of the following is the most accurate description of the relationship between components of the universe? A) Starts contain several solar systems. B) Galaxies contain many stars. C) Solar systems contain many galaxies. D) Stars contain a few galaxies. Show Answer Correct Answer: B) Galaxies contain many stars. 8. The sun is made up of six different layers. Three of these layers make up the interior of the sun. The remaining three layers make up the sun's atmosphere. Which is the innermost layer of the sun? A) Chromosphere. B) Convection zone. C) Core. D) Corona. Show Answer Correct Answer: C) Core. 9. One year on Mercury is about 88 Earth days. This means that is takes 88 Earth days for Mercury to ..... A) Travel in orbit around its moon. B) Complete one rotation. C) Switch orbits with the nearest planets. D) Make one complete orbit around the sun. Show Answer Correct Answer: D) Make one complete orbit around the sun. 10. The distance an object is above the surface of the Earth is called. A) Height. B) Elevation. C) Altitude. D) Sea level. Show Answer Correct Answer: C) Altitude. 11. Most likely due to a massive collision, this planet rotates from top to bottom. A) Saturn. B) Venus. C) Neptune. D) Uranus. Show Answer Correct Answer: D) Uranus. 12. Which one is the fastest rotation? A) Jupiter. B) Saturn. C) Uranus. D) Earth. Show Answer Correct Answer: A) Jupiter. 13. The length of the year is determined by the amount of time it takes ..... A) The moon to revolve around the sun. B) Earth to revolve around the moon. C) Earth to revolve around the sun. D) The sun to rotate on its axis. Show Answer Correct Answer: C) Earth to revolve around the sun. 14. What force acted on the massive nebula to collapse it and eventually form our sun? A) Electrostatic force. B) Strong force. C) Weak force. D) Gravity. Show Answer Correct Answer: D) Gravity. 15. Dylan observes a fully lit moon. When can he expect to see the moon look like this again? A) In about 12 hours. B) In about 24 hours. C) In about 15 days. D) In about 30 days. Show Answer Correct Answer: D) In about 30 days. 16. When you look up into the sky, why is the sun clearly the brightest? A) It's our sun. B) It's the closest star. C) It's the farthest star. D) It's the hottest star. Show Answer Correct Answer: B) It's the closest star. 17. What are comets mostly made of? A) Rusty metal. B) Hot, liquid rock. C) Poisonous liquid. D) Dirty ice and dust. Show Answer Correct Answer: D) Dirty ice and dust. 18. What is the only planet that can sustain life? A) Mercury. B) Venus. C) Earth. D) Mars. Show Answer Correct Answer: C) Earth. 19. Chunk of rock that strikes the surface of a planet or moon A) Meteorite. B) Meteor. C) Meteoroid. D) Comet. Show Answer Correct Answer: A) Meteorite. 20. Which gas is 21% of Earth's Atmosphere? A) Oxygen. B) Nitrogen. C) Ozone. D) Argon. Show Answer Correct Answer: A) Oxygen. ← 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