This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 24 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is the closest planet to the sun. A) Neptune. B) Mercury. C) Venus. D) None of above. Show Answer Correct Answer: B) Mercury. 2. Includes the 8 planets, dwarf planets, moons, and other objects that obit the sun. A) Outer planets. B) Universe. C) Solar system. D) Inner planets. Show Answer Correct Answer: C) Solar system. 3. A planet with a rocky surface A) Gaseous Planet. B) Earth. C) Terrestrial Planet. D) Rocky Planet. Show Answer Correct Answer: C) Terrestrial Planet. 4. Which planet is the farthest away from our sun? A) Mars. B) Jupiter. C) Neptune. D) Uranus. Show Answer Correct Answer: C) Neptune. 5. Which two scientists developed a model of the solar system most like the one used today? A) Copernicus & Galileo. B) Galileo & Aristotle. C) Copernicus & Ptolemy. D) Aristotle & Ptolemy. Show Answer Correct Answer: A) Copernicus & Galileo. 6. Which best describes the terrestrial planets? A) Large, planetary rings. B) Small, dense, rocky. C) Rocky cores, close to sun, surface craters. D) Made of helium and hydrogen. Show Answer Correct Answer: B) Small, dense, rocky. 7. Which of the following is a common characteristic of outer planets? A) Have rings. B) Shorter years. C) Terrestrial. D) Less than 5 satellites. Show Answer Correct Answer: A) Have rings. 8. This gas giant has a large storm in its atmosphere known as The Red Spot A) Jupiter. B) Saturn. C) Uranus. D) Neptune. Show Answer Correct Answer: A) Jupiter. 9. The largest of celestial bodies that revolve around the sun are ..... A) Planets. B) Comets. C) Solar Systems. D) Asteroids. Show Answer Correct Answer: A) Planets. 10. Which of these items is not needed to sustain life in space? A) Oxygen. B) Food. C) Water. D) Tools. Show Answer Correct Answer: D) Tools. 11. A small body that orbits a planet is a(n) A) Comet. B) Moon. C) Asteroid. D) Exoplanet. Show Answer Correct Answer: B) Moon. 12. The biggest planet is ..... A) Saturn. B) Jupiter. C) Mars. D) None of above. Show Answer Correct Answer: B) Jupiter. 13. What is the largest object in our solar system? A) The sun. B) Jupiter. C) Neptune. D) Uranus. Show Answer Correct Answer: A) The sun. 14. Which phrase best describes the heliocentric model of the solar system? A) Moon-centered. B) Earth-centered. C) Planet-centered. D) Sun-centered. Show Answer Correct Answer: D) Sun-centered. 15. Earth orbits the ..... A) Sun. B) Venus. C) Mars. D) Moon. Show Answer Correct Answer: A) Sun. 16. The Terrestrial planets all have what common characteristic? A) Rocky surfaces. B) Orbit farther from the sun. C) Larger orbits. D) Deep, gaseous atmospheres. Show Answer Correct Answer: A) Rocky surfaces. 17. What factor causes one planet to have more gravity than other planets A) The planets mass. B) The planets size. C) Terrestrial planets have more gravity. D) Gas giants have more gravity. Show Answer Correct Answer: A) The planets mass. 18. Which planet has the Big Red Spot? A) Jupiter. B) Saturn. C) Mars. D) Neptune. Show Answer Correct Answer: A) Jupiter. 19. The Sun is at the center of our solar system. All the planets in the solar system orbit around the Sun. Which of the following planets has the longest orbit? A) Mercury. B) Earth. C) Saturn. D) Neptune. Show Answer Correct Answer: D) Neptune. 20. Why do the planets orbit the sun? A) They don't, the planets orbit the Earth. B) Because Science. C) The sun is so massive that it has a very large gravitational pull, which causes objects to orbit it. D) Because they want to. Show Answer Correct Answer: C) The sun is so massive that it has a very large gravitational pull, which causes objects to orbit it. ← 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