This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of Kepler's Laws described the shape of a planet's orbit? A) First Law. B) Second Law. C) Third Law. D) None of above. Show Answer Correct Answer: A) First Law. 2. What does it mean to orbit? A) Path one object takes around another. B) To chew gum. C) To travel from one planet to another. D) Planets and other objects in space that travels around a star. Show Answer Correct Answer: A) Path one object takes around another. 3. All planets have the following characteristics EXCEPT A) They rotate. B) They revolve. C) They have an atmosphere. D) They have elliptical orbits. Show Answer Correct Answer: C) They have an atmosphere. 4. What is the time it takes for an object to spin (on its axis) in a circle A) Revolution. B) Rotation. C) Spin. D) Turn. Show Answer Correct Answer: B) Rotation. 5. During which phases of the Moon can a person observe the occurrence of neap tides? A) Full moon and new moon. B) Full moon and first quarter. C) New moon and third quarter. D) First quarter and third quarter. Show Answer Correct Answer: D) First quarter and third quarter. 6. The star at the center of our solar system. A) Sun. B) Moon. C) Polaris. D) Betelgeuse. Show Answer Correct Answer: A) Sun. 7. How does the sun produce energy? A) Attracting it with gravity. B) Nuclear Fusion. C) It doesn't produce energy. D) Nuclear Fission. Show Answer Correct Answer: B) Nuclear Fusion. 8. What are Saturn's rings made of? A) Gold. B) Silver. C) Dust and ice. D) None of above. Show Answer Correct Answer: C) Dust and ice. 9. Which of the following is a reason that life exists on Earth? A) Distance from the Sun. B) Presence of an atmosphere and magnetic field. C) Liquid water. D) All of these are reasons life exists on Earth. Show Answer Correct Answer: D) All of these are reasons life exists on Earth. 10. What are the rings of Saturn made of? A) Rocks and Dust. B) Rock, Frozen gases, Ice crystals, and water. C) Ice Crystals. D) Stars. Show Answer Correct Answer: B) Rock, Frozen gases, Ice crystals, and water. 11. How long does it take Earth to complete one revolution around the Sun? A) 24 hours. B) One week. C) One month. D) One year. Show Answer Correct Answer: D) One year. 12. What causes it to appear as if the sun rises and sets each day? A) Earth's gravity. B) The spinning motion of Earth. C) The revolution of the Earth around the sun. D) Earth's distance from the sun. Show Answer Correct Answer: B) The spinning motion of Earth. 13. A chunk of rock or iron that is less than 1, 000 km (621mi) in diameter and that orbits the sun is call a(n) A) Asteroid. B) Star. C) Solar system. D) Solar eclipse. Show Answer Correct Answer: A) Asteroid. 14. ..... is covered with gas that smells like stinky eggs. A) Uranus. B) Neptune. C) Saturn. D) Venus. Show Answer Correct Answer: A) Uranus. 15. The seasons are related to A) The Earth's revolution around the Sun. B) The Earth's rotation. C) The Moon's revolution around the Earth. D) The Moon's rotation. Show Answer Correct Answer: A) The Earth's revolution around the Sun. 16. Which planet is farther from the sun than Venus but closer than Mars? A) Jupiter. B) Earth. C) Uranus. D) Mercury. Show Answer Correct Answer: B) Earth. 17. One complete rotation of Earth around the sun is what? A) 365 days or 1 year. B) 7 days or 1 week. C) 24 hours or 1 day. D) 31 days or 1 month. Show Answer Correct Answer: A) 365 days or 1 year. 18. A nebula starts to collapse because of A) A nearby star shining it's light. B) A passing spaceship. C) A passing comet. D) Gravity. Show Answer Correct Answer: D) Gravity. 19. Which figure is closest to the age of the solar system? A) 450, 000 years. B) 4.5 million years. C) 450 million years. D) 4.5 billion years. Show Answer Correct Answer: D) 4.5 billion years. 20. The center of our solar system is the ..... A) Earth. B) Sun. C) Moon. D) Asteroid belt. Show Answer Correct Answer: B) Sun. ← 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