This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 18 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The path a planet travels around the sun is called A) Orbit. B) Route. C) Circle. D) None of above. Show Answer Correct Answer: A) Orbit. 2. A gas giant planet is not made of solid matter. A terrestrial planet is made of A) Moons and rocks. B) Rocks and metals. C) Gases and heat. D) Metals and moons. Show Answer Correct Answer: B) Rocks and metals. 3. Which of the following is NOT found in our solar system? A) Nebulas. B) Asteroids. C) Meteors. D) Planets. Show Answer Correct Answer: A) Nebulas. 4. Which object in the solar system is the only one that does not to orbit the Sun? A) Planets. B) Moons. C) Dwarf planets. D) Asteroids. Show Answer Correct Answer: B) Moons. 5. Which planet is sometimes called the "red planet" ? A) Jupiter. B) Mercury. C) Mars. D) Uranus. Show Answer Correct Answer: C) Mars. 6. A planet's year is created by A) The number of seasons it has. B) Its rotation on its axis. C) Its revolution around the sun. D) The number of moons it has. Show Answer Correct Answer: C) Its revolution around the sun. 7. What is the name of the collection asteroids in our solar system? A) The Kupier Belt. B) The Oort Cloud. C) The Planetary Rings. D) The Asteroid Belt. Show Answer Correct Answer: D) The Asteroid Belt. 8. Which planet is an outer planet? A) Jupiter. B) Mars. C) Earth. D) Venus. Show Answer Correct Answer: A) Jupiter. 9. The rings of Saturn are made of ..... A) Gases. B) Ice. C) Plasma. D) Rainbows. Show Answer Correct Answer: B) Ice. 10. The first stage in a star's life cycle is called the? A) Red Giant. B) Protostar. C) Main Sequence Star. D) Black Dwarf. Show Answer Correct Answer: B) Protostar. 11. What is a light year used to measure? A) The distance of really far objects in space. B) The time it takes sound to travel in a galaxy. C) The shape of the planets' orbits. D) The length of time a star shines. Show Answer Correct Answer: A) The distance of really far objects in space. 12. How is Earth different from all the other planets in our solar system? A) It is the only planet with its own moon. B) It has storms in the atmosphere. C) It has liquid water that allows plants and animals to live. D) It is close enough to the sun to get heat energy. Show Answer Correct Answer: C) It has liquid water that allows plants and animals to live. 13. What two planets are in between the Sun and Earth? A) Mars and Jupiter. B) Mercury and Venus. C) Neptune and Mercury. D) Saturn and Uranus. Show Answer Correct Answer: B) Mercury and Venus. 14. In the solar system, moons orbit planets. Which of these do planets orbit? A) Uranus. B) The sun. C) A black hole. D) Haley's comet. Show Answer Correct Answer: B) The sun. 15. Which of the following is a correct description of the motions of the Earth, Sun, and Moon? A) Earth orbits the Moon. B) The Sun orbits Earth. C) Earth orbits the Sun. D) The sun orbits the Moon. Show Answer Correct Answer: C) Earth orbits the Sun. 16. Which is not evidence for the geocentric model? A) The sun moves across the sky from east to west every day. B) The moon moves around the Earth every day. C) The stars move across the sky every night. D) The planets display retrograde movement in the sky. Show Answer Correct Answer: D) The planets display retrograde movement in the sky. 17. Planets that are small, rocky (terrestrial), and closer to the sun A) Outer planets. B) Asteroids. C) Meteorites. D) Inner planets. Show Answer Correct Answer: D) Inner planets. 18. The sun is in the ..... of our solar system. A) Outside. B) Center. C) Circle. D) Moon. Show Answer Correct Answer: B) Center. 19. ..... used scientific theory to help him understand that solar system was sun-centered; he proved the heliocentric model with elliptical orbits was true A) Ptolemy. B) Copernicus. C) Galileo. D) Kelper. Show Answer Correct Answer: C) Galileo. 20. Which of these statements is true of Venus? A) Venus has two moons. B) On Venus, a day is longer than a year. C) Venus is the fourth planet from the sun. D) The atmosphere of Venus is capable of supporting life. Show Answer Correct Answer: B) On Venus, a day is longer than a 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