This quiz works best with JavaScript enabled. Home > Science > Physics > Solar System – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Solar System Quiz 23 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Correct statement about probes is ..... A) Scientist live there. B) They are unmanned spacecraft. C) They carried Hubble Space Telescope. D) They are controlled from space station. Show Answer Correct Answer: B) They are unmanned spacecraft. 2. Planets' orbit the Sun in what shape? A) A perfect circle. B) An ellipse. C) An eclipse. D) A parallelogram. Show Answer Correct Answer: B) An ellipse. 3. Ptolemy's view of the universe A) Galaxy. B) Geocentric. C) Astonomy. D) Heliocentric. Show Answer Correct Answer: B) Geocentric. 4. What is a fact about the OUTER planets? A) They are smaller. B) They are made of rock. C) They are made of gas. D) They have no rings. Show Answer Correct Answer: C) They are made of gas. 5. I am the third planet from the sun. I orbited by one moon. I am also called and the blue and living planet. A) Mars. B) Earth. C) Saturn. D) None of above. Show Answer Correct Answer: B) Earth. 6. Which two planets are out of order in this list of our solar system? Mercury-Earth-Venus-Mars-Jupiter-Saturn-Uranus-Neptune-Pluto. A) Mercury and Earth. B) Earth and Venus. C) Saturn and Jupiter. D) Uranus and Neptune. Show Answer Correct Answer: B) Earth and Venus. 7. What force keeps the moon in orbit around the Earth? A) Interia. B) Gravity. C) Friction. D) Latitude. Show Answer Correct Answer: B) Gravity. 8. The north star is also called A) Satellite. B) Solar. C) Pole star. D) Leo. Show Answer Correct Answer: C) Pole star. 9. Which planet(s) have rings? A) Jupiter, Saturn, Uranus, and Neptune. B) Saturn and Neptune. C) Saturn and Uranus. D) Saturn. Show Answer Correct Answer: A) Jupiter, Saturn, Uranus, and Neptune. 10. What would be the best model to show the Earth's rotation? A) A globe that spins. B) A map that shows all the parts of Earth. C) A picture that shows how far Earth is from the sun. D) A person riding a bike. Show Answer Correct Answer: A) A globe that spins. 11. Why is the sun important to the earth? A) It gives our planet light and heat. Many food chains begin with the sun. B) Summer. C) To get tanned. D) None of above. Show Answer Correct Answer: A) It gives our planet light and heat. Many food chains begin with the sun. 12. The largest of ..... moons, Titan, is larger than the planet Mercury. A) Neptune's. B) Pluto's. C) Uranus'. D) Saturn's. Show Answer Correct Answer: D) Saturn's. 13. Many of the stars in the night sky are much larger than our Sun, but appear much smaller. Our Sun APPEARS larger than other bigger stars because the Sun A) Is a yellow star. B) Much closer. C) Much hotter. D) Much cooler. Show Answer Correct Answer: B) Much closer. 14. Which planet is found in between Venus and Mars? A) Uranus. B) Jupiter. C) Earth. D) Mercury. Show Answer Correct Answer: C) Earth. 15. Which outer planets have rings? A) Just Saturn. B) Saturn and Jupiter. C) Jupiter, Neptune, and Saturn. D) All 4 of them. Show Answer Correct Answer: D) All 4 of them. 16. Which item in space is an average-sized yellow star that is about 1.39 million kilometers in diameter? A) Moon. B) Sun. C) Earth. D) Jupiter. Show Answer Correct Answer: B) Sun. 17. How many days does it take the Earth to revolve around the Sun? A) 30 days. B) 365 days. C) 100 days. D) 40 days. Show Answer Correct Answer: B) 365 days. 18. How many moons does Jupiter have? A) 4. B) None. C) 37. D) At least 67. Show Answer Correct Answer: D) At least 67. 19. What does 'orbit' means? A) To fly into outer space. B) The spinning of the planet. C) The path a planet takes around the Sun. D) None of above. Show Answer Correct Answer: C) The path a planet takes around the Sun. 20. When Galileo peered into the telescope and saw that Venus went through phases, what did this suggest? A) The telescope must possibly be wrong. B) Venus had a moon orbiting it. C) Venus must be orbiting the Sun. D) Venus had moons just like Earth. Show Answer Correct Answer: C) Venus must be orbiting 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