This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 15 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT considered a planet? A) Asteroid. B) Uranus. C) Saturn. D) Earth. Show Answer Correct Answer: A) Asteroid. 2. Planet is called the Red planet because of its red soil and rocks. Color comes from oxidation (iron oxide, rust) A) Mercury. B) Venus. C) Earth. D) Mars. Show Answer Correct Answer: D) Mars. 3. What do we call the distance from the Earth to the Sun? A) A light year. B) An Astronomical Unit. C) A light minute. D) A light second. Show Answer Correct Answer: B) An Astronomical Unit. 4. As a nebula collapses it also begins A) Expand. B) Rotate. C) Shake. D) Turn to ice. Show Answer Correct Answer: B) Rotate. 5. What evidence supports the hypothesis that Earth is 4.6 billion years? A) The age of rocks from the Moon. B) The age of zircon grains in granitic crustal rocks. C) The age of meteorites. D) All of the above answers are correct. Show Answer Correct Answer: D) All of the above answers are correct. 6. An average star; made of gas A) Comet. B) Dwarf planet. C) Sun. D) Moon. Show Answer Correct Answer: C) Sun. 7. What is the second planet to Sun? A) Mercury. B) Venus. C) Mars. D) Earth. Show Answer Correct Answer: B) Venus. 8. A ..... is the blocking of the Sun's light that occurs during a new moon when the moon's shadow falls on earth. A) Solar eclipse. B) Lunar eclipse. C) Umbra. D) Penumbra. Show Answer Correct Answer: A) Solar eclipse. 9. What is The Earth mostly made up of? A) People. B) Water. C) Grass. D) Sheep. Show Answer Correct Answer: B) Water. 10. What is one way that gas giants differ from the terrestrial planets? A) They are much smaller. B) They are made of rocks and ice. C) Their atmospheres are massive. D) Their surfaces are hard. Show Answer Correct Answer: C) Their atmospheres are massive. 11. What characteristic is Jupiter known for? A) Rings of ice and dust. B) Great Red Spot. C) Olympus Mons. D) Fire. Show Answer Correct Answer: B) Great Red Spot. 12. What is a star? A) Where we live. B) Someone who lives in Hollywood. C) A huge ball of hot gases in space. D) A large round object that circles our planet. Show Answer Correct Answer: C) A huge ball of hot gases in space. 13. Between which two planets does the Asteroid Belt lie? A) Jupiter and Saturn. B) Mars andJupiter. C) Earth and Mars. D) Uranus and Neptune. Show Answer Correct Answer: B) Mars andJupiter. 14. Which two planets are closest to the Sun? A) Mars and Earth. B) Neptune and Uranus. C) Mars and Venus. D) Venus and Mercury. Show Answer Correct Answer: D) Venus and Mercury. 15. An astronomical unit is approximately how many kilometers? A) 125 million. B) 175 million. C) 200 million. D) 150 million. Show Answer Correct Answer: D) 150 million. 16. Dense materials such as molten iron sank to Earth's center and less dense materials were forced to the outer layers in a process called A) Differentiation. B) Squeezerizing. C) Denseration. D) Sinkeration. Show Answer Correct Answer: A) Differentiation. 17. How are dwarf planets different from the 'Elite 8' planets? A) Dwarf planets orbit the Sun, planets do not. B) Dwarf planets have more mass than planets. C) Dwarf planets have not cleared the neighborhood around their orbit, planets have. D) None of above. Show Answer Correct Answer: C) Dwarf planets have not cleared the neighborhood around their orbit, planets have. 18. Which of the following occurs on Mars? A) Hurricanes. B) Tidal waves. C) Blizzards. D) Dust storms. Show Answer Correct Answer: D) Dust storms. 19. The solar system formed 4.6 billion years ago when a disk of dust and gas was pulled together by A) Asteroids. B) Meteoroids. C) Gravity. D) Thermal Energy. Show Answer Correct Answer: C) Gravity. 20. Which planet is tipped on its side nearly 90 degrees? A) Jupiter. B) Saturn. C) Uranus. D) Neptune. Show Answer Correct Answer: C) Uranus. ← 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