This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 17 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Gravity is responsible for which of the following characteristics of a galaxy? A) The color of light it emits. B) Its location within the universe. C) The size of its largest stars. D) The motion of the objects within it. Show Answer Correct Answer: D) The motion of the objects within it. 2. Which galaxy is the band of thousands of stars that contains Earth? A) Andromeda. B) Centaurus A. C) Milky Way. D) Sagittarius A*. Show Answer Correct Answer: C) Milky Way. 3. The inner planets are made up of ..... A) Gas. B) Water. C) Rocks. D) Clouds. Show Answer Correct Answer: C) Rocks. 4. How do stars appear to us? A) As a burst of fire. B) As a gas ball. C) As tiny pinpricks of light. D) As a burst of bright light. Show Answer Correct Answer: C) As tiny pinpricks of light. 5. What holds the moon, the planets, and all other objects in orbit around the sun? A) Ocean tides. B) Magnetism. C) Gravity. D) The sun's heat and light. Show Answer Correct Answer: C) Gravity. 6. Which planet has a big red spot A) Jupiter. B) Venus. C) Uranus. D) The moon. Show Answer Correct Answer: A) Jupiter. 7. Scientist theorize that Earth's first atmosphere came from .....? A) Photosynthesis by algae. B) Outgassing by volcanoes. C) Comets. D) None of above. Show Answer Correct Answer: B) Outgassing by volcanoes. 8. Meteors that crash/land on the surface of the Earth A) Meteorites. B) Meteors. C) Meteoroids. D) Asteroids. Show Answer Correct Answer: A) Meteorites. 9. Your weight would change on the moon because A) The moon's mass is less than the Earth's mass. B) The sun's position changes in relation to the moon and Earth. C) Your weight would stay the same. D) The moon rotates along its axis. Show Answer Correct Answer: A) The moon's mass is less than the Earth's mass. 10. A ..... is the blocking of sunlight to the moon; occurs when the moon passes through earth's shadow. A) Solar eclipse. B) Lunar eclipse. C) Umbra. D) Penumbra. Show Answer Correct Answer: B) Lunar eclipse. 11. Which object has the most gravity? A) Earth. B) Moon. C) Jupiter. D) Sun. Show Answer Correct Answer: D) Sun. 12. According to the nebular hypothesis (and scientific evidence), what forms in the very center of a nebula that has been spinning and collapsing? A) A protosun. B) A planet. C) A protoplanet. D) A planetesimal. Show Answer Correct Answer: A) A protosun. 13. This is the first planet from the Sun; it is very hot in the day and very cold in the night. A) Mercury. B) Neptune. C) Earth. D) Jupiter. Show Answer Correct Answer: A) Mercury. 14. About how many moons can be found in our Solar System? A) 50. B) 40. C) 60. D) 140. Show Answer Correct Answer: D) 140. 15. List the inner planets. A) Jupiter, Saturn, Uranus, Neptune. B) Mercury, Venus, Earth, Mars. C) Neptune, Venus, Jupiter, Mars. D) Mercury, Earth, Jupiter, Neptune. Show Answer Correct Answer: B) Mercury, Venus, Earth, Mars. 16. What is the hottest planet in our solar system A) Mercury. B) Venus. C) Saturn. D) Jupiter. Show Answer Correct Answer: B) Venus. 17. A probe landed on Mars and did a soil test. What information did it discover? A) There are no living organisms in Martian soil. B) Mars is slightly oval in shape. C) Mars is about one-fourth the size of Earth. D) The gravity on Mars is much less than on Earth. Show Answer Correct Answer: A) There are no living organisms in Martian soil. 18. The path a planet takes to revolve around the sun A) Orbit. B) Axis. C) Asteroid. D) Solar system. Show Answer Correct Answer: A) Orbit. 19. True about Venus:1. Much larger than Earth2. Very thick atmosphere3. 2 moons4. Atmosphere made of carbon dioxide A) 1 & 2. B) 2 & 4. C) 2 & 3. D) 3 & 4. Show Answer Correct Answer: B) 2 & 4. 20. What do comets orbit A) The Stars. B) The Planets. C) The Sun. D) None of above. Show Answer Correct Answer: C) The 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