This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 8 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The force that controls the motion of all objects in the universe (mass and distance of the objects determine the strength of gravitational attraction) A) Gravity. B) Inertia. C) Mass. D) Distance. Show Answer Correct Answer: A) Gravity. 2. Its gravity holds the other planets and objects in their position within the Solar System. A) The Moon. B) The Sun. C) The Asteroid Belt. D) The Meteoroids. Show Answer Correct Answer: B) The Sun. 3. This planet is between the last rocky planet and the second gas giant. A) Earth. B) Neptune. C) Jupiter. D) Uranus. Show Answer Correct Answer: C) Jupiter. 4. Which gas is 78% of Earth's Atmosphere? A) Oxygen. B) Nitrogen. C) Ozone. D) Argon. Show Answer Correct Answer: B) Nitrogen. 5. How many planets are in our solar system (not including pluto) A) 9. B) 8. C) 10. D) 7. Show Answer Correct Answer: B) 8. 6. The Gas Giant planets all have what common characteristic? A) Rocky surfaces. B) Orbit closer to the sun. C) Smaller orbits. D) Deep, gaseous atmospheres. Show Answer Correct Answer: D) Deep, gaseous atmospheres. 7. Which of the following describes a comet? A) A solid ball that circles one planet. B) A cluster of stars. C) An icy ball that orbits the sun. D) A hole in space. Show Answer Correct Answer: C) An icy ball that orbits the sun. 8. Which of these descriptions best defines the solar system? A) Planets and asteroids. B) The sun and all planets. C) Planets and their moons. D) The sun and all bodies that travel around it. Show Answer Correct Answer: D) The sun and all bodies that travel around it. 9. Two of the inner planets are ..... A) Venus and Saturn. B) Mars and Venus. C) Earth and Pluto. D) Mercury and Jupiter. Show Answer Correct Answer: B) Mars and Venus. 10. A ..... is a space rock that burns up in Earth's mesosphere. A) Meteoroid. B) Meteor. C) Meteorite. D) Comet. Show Answer Correct Answer: B) Meteor. 11. Which is considered the COLDEST planet? A) Uranus. B) Saturn. C) Venus. D) None of above. Show Answer Correct Answer: A) Uranus. 12. What causes our seasons here on Earth? A) Stars in our universe. B) Our revolution around the moon. C) Earth's tilted axis and our rotation. D) The revolution of Earth around the sun and Earth's tilted axis. Show Answer Correct Answer: D) The revolution of Earth around the sun and Earth's tilted axis. 13. The Red Spot on this planet is a Giant Storm in the planet's atmosphere. A) Jupiter. B) Saturn. C) Uranus. D) Neptune. Show Answer Correct Answer: A) Jupiter. 14. Which of the following is NOT a type of Galaxy found in the Universe? A) Spiral. B) Elliptical. C) Intergalactic. D) Irregular. Show Answer Correct Answer: C) Intergalactic. 15. Which unit of measurement is used to measure distances within our solar system? A) Inches. B) Kilometers. C) Miles. D) Astronomical units. Show Answer Correct Answer: D) Astronomical units. 16. The atmosphere on Uranus rotates faster than its core. Which of the following things that happen on Earth could best relate to what the atmosphere on Uranus is doing? A) Cause heavy rain. B) Cause a huge snowstorm. C) Cause fast-moving wind. D) Cause a drought. Show Answer Correct Answer: C) Cause fast-moving wind. 17. Fixed patterns of stars are called ..... A) Constellations. B) Nebulas. C) Orbits. D) Systems. Show Answer Correct Answer: A) Constellations. 18. Which planet is the closest to our sun? A) Mars. B) Earth. C) Mercury. D) Venus. Show Answer Correct Answer: C) Mercury. 19. Small, natural objects that revolve around other objects A) Revolution. B) Meteorite. C) Meteoroid. D) Moon. Show Answer Correct Answer: D) Moon. 20. What is an accurate description of the shape of the Milky Way galaxy? A) It is shaped like a cloud of gas and dust. B) It has an irregular shape that cannot be defined. C) It is shaped like a pinwheel. D) It is shaped like Mr. Christman. Show Answer Correct Answer: C) It is shaped like a pinwheel. ← 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 9Solar System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books