This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The sun centered view of the universe A) Galaxy. B) Geocentric. C) Astonomy. D) Heliocentric. Show Answer Correct Answer: D) Heliocentric. 2. Which planet is the windiest? A) Uranus. B) Saturn. C) Venus. D) Neptune. Show Answer Correct Answer: D) Neptune. 3. Which planet rotates BACKWARDS (retrograde rotation)? A) Earth. B) Venus. C) Mercury. D) Mars. Show Answer Correct Answer: B) Venus. 4. An Egyptian astronomer, Ptolemy said that ..... A) The Moon, Earth planets and stars revolved around Sun. B) The Moon, Sun planets and stars revolved around Earth. C) Earth and planets are spherical. D) Planet's rotation caused by Earth rotation. Show Answer Correct Answer: B) The Moon, Sun planets and stars revolved around Earth. 5. Which planet is the farthest from the sun? A) Jupiter. B) Mercury. C) Venus. D) Neptune. Show Answer Correct Answer: D) Neptune. 6. Methane gives ..... their blue-green color. A) Mars and Earth. B) Uranus and Neptune. C) Saturn and Jupiter. D) Neptune and Venus. Show Answer Correct Answer: B) Uranus and Neptune. 7. Where does the light of the Moon come from? A) The Earth. B) Its own gases. C) The Sun. D) Saturn. Show Answer Correct Answer: C) The Sun. 8. Which planet's orbit is closer to the Sun than Earth's orbit? A) Mercury. B) Uranus. C) Saturn. D) Mars. Show Answer Correct Answer: A) Mercury. 9. The outer planets are called ..... A) Inner planets. B) Gas giants. C) Large planets. D) Ringed planets. Show Answer Correct Answer: B) Gas giants. 10. What element is NOT abundant in the atmospheres of the other planets (because it is only released abundantly on Earth by life)? A) Carbon Dioxide. B) Oxygen. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: B) Oxygen. 11. About how much of earth's atmosphere is Nitrogen? A) 78%. B) 20%. C) 10%. D) 85%. Show Answer Correct Answer: A) 78%. 12. The GAS GIANTS or Outer planets are A) Mercury, Earth, Jupiter, Saturn. B) Saturn, Neptune, Pluto, Mars. C) Saturn, Jupiter, Uranus, Neptune. D) Earth, Mars, Saturn, Neptune. Show Answer Correct Answer: C) Saturn, Jupiter, Uranus, Neptune. 13. Earth's moon stays in orbit around Earth due to ..... A) Speed. B) Mass. C) Energy. D) Gravity. Show Answer Correct Answer: D) Gravity. 14. ..... has ringlets around the planet made up of the particles of ice. A) Venus. B) Mars. C) Neptune. D) Saturn. Show Answer Correct Answer: D) Saturn. 15. What is the center of the solar system? A) Sun. B) Moon. C) Earth. D) Mars. Show Answer Correct Answer: A) Sun. 16. Hemispheres A) The two halves of the Earth (northern and southern) that are created by the equator. B) The imaginary lines that the Earth spins around. C) The orbital planes the Earth travels on in its orbit around the sun. D) The angles of the Sun that hit the Earth's surface. Show Answer Correct Answer: A) The two halves of the Earth (northern and southern) that are created by the equator. 17. A small, icy body that orbits the Sun. Is made of a main body and a tail. A) Asteroid. B) Comet. C) Meteor. D) Meteoroid. Show Answer Correct Answer: B) Comet. 18. What is the moon A) A natural satellite of Jupiter. B) A planet. C) A natural satellite of Earth. D) A star. Show Answer Correct Answer: C) A natural satellite of Earth. 19. This causes an object to move away from the center of the object it is circling. A) Gravity. B) Mass. C) Centrifugal force. D) Velocity. Show Answer Correct Answer: C) Centrifugal force. 20. Which planet is the largest planet in our solar system? A) Saturn. B) Earth. C) Mars. D) Jupiter. Show Answer Correct Answer: D) Jupiter. ← PreviousNext →Related QuizzesScience QuizzesSolar System Quiz 1Solar System Quiz 3Solar System Quiz 4Solar System Quiz 5Solar System Quiz 6Solar System Quiz 7Solar System Quiz 8Solar System Quiz 9Solar System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books