This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 17 Stars And The Solar System – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 17 Stars And The Solar System Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many confirmed natural satellites does Saturn have? A) 67. B) 53. C) 82. D) None of the above. Show Answer Correct Answer: B) 53. 2. The Northern Hemisphere is warmer in spring than in winter, because in spring A) The days are shorter. B) It gets more direct sunlight. C) The Earth is closer to the Sun. D) It is tilted away from the Sun. Show Answer Correct Answer: C) The Earth is closer to the Sun. 3. Which answer describes how the inner planets are SIMILAR to each other? A) They are all the same size. B) They all have solid surfaces. C) They all have at least 1 moon. D) They all have a thick atmosphere. Show Answer Correct Answer: B) They all have solid surfaces. 4. After the Sun, the next nearest star to the Earth is: A) Alpha Centauri. B) Pole Star. C) Sirius. D) Proxima Centauri. Show Answer Correct Answer: D) Proxima Centauri. 5. The sun produces large amounts of energy. By what process does the sun produce energy? A) Radiation. B) Convection. C) Nuclear fusion. D) Electromagnetic radiation. Show Answer Correct Answer: C) Nuclear fusion. 6. What factor causes one planet to have more gravity than other planets A) The planets mass. B) The planets size. C) Terrestrial planets have more gravity. D) Gas giants have more gravity. Show Answer Correct Answer: A) The planets mass. 7. Which of the following is an accurate model of how the Sun, Earth, and Moon move? A) Sun and moon orbit Earth. B) Earth and moon orbit Sun. C) Earth orbits the Sun and the moon orbits Earth. D) Earth and sun orbit moon. Show Answer Correct Answer: C) Earth orbits the Sun and the moon orbits Earth. 8. A student finds that the length of a tree's shadow changes throughout the day. What does this show about earth? A) Earth tilts on its axis. B) Earth rotates on its axis. C) Earth is surrounded by air. D) Earth revolves around the sun. Show Answer Correct Answer: B) Earth rotates on its axis. 9. Which of the following best describes Earth's specific location in space? A) Within a solar system. B) In a cluster of galaxies. C) At the edge of a supercluster. D) At the center of a spiral galaxy. Show Answer Correct Answer: A) Within a solar system. 10. Which of the following are non-luminous objects:(a) Orion (b) Morning Star (c) Moon (d) Pole Star A) A and B. B) B and C. C) B and D. D) Only C. Show Answer Correct Answer: B) B and C. 11. What is the role of comets in the solar system? A) Comets are used for providing light, heat, and energy. B) Comets are used for communication. C) Comets are used for transportation. D) Comets are celestial bodies that orbit around the Sun and can provide valuable information about the early solar system. Show Answer Correct Answer: D) Comets are celestial bodies that orbit around the Sun and can provide valuable information about the early solar system. 12. Why does the Sun appear larger and brighter than other stars in the sky? A) It is closer to Earth than other stars. B) It is the biggest star in the universe. C) It is made of gold. D) It is the only star that gives off light. Show Answer Correct Answer: A) It is closer to Earth than other stars. 13. We can watch the phases of the moon change, day by day. A complete cycle of phases takes about ..... to complete. A) A year. B) A decade. C) One month. D) A day. Show Answer Correct Answer: C) One month. 14. What is a star? A) A ball of gas that gives off energy, some of it in the form of light. B) A solid object made of rock. C) A frozen ball of ice. D) A planet that orbits the Sun. Show Answer Correct Answer: A) A ball of gas that gives off energy, some of it in the form of light. 15. Stars are made up of ..... and ..... ? A) Oxygen and carbon dioxide. B) Argon and neon. C) Helium and hydrogen. D) Krypton and xenon. E) All of the above. Show Answer Correct Answer: C) Helium and hydrogen. 16. Choose the planet closest in size to Earth. A) Mars. B) Jupiter. C) The moon. D) The sun. Show Answer Correct Answer: A) Mars. 17. In Which direction does Earth rotate? A) North to south. B) South to north. C) West to east. D) East to west. Show Answer Correct Answer: C) West to east. 18. Fill the blank:The sun accounted for almost ..... % of mass in Solar System A) 99.8. B) 98.2. C) 92.6. D) None of the above. Show Answer Correct Answer: A) 99.8. 19. Which planet of the Solar System takes the longest time to complete 1 day? A) Mercury. B) Venus. C) Mars. D) Neptune. Show Answer Correct Answer: B) Venus. 20. Choose the smallest planet in our solar system. A) Mercury. B) Venus. C) Europa. D) Earth. Show Answer Correct Answer: A) Mercury. 21. Which of the following pairs of terms directly relates to the actual brightness of a star? A) Absolute magnitude and luminosity. B) Apparent magnitude and luminosity. C) Size and luminosity. D) Absolute magnitude and apparent magnitude. Show Answer Correct Answer: A) Absolute magnitude and luminosity. 22. When was Mangalyaan launched? A) 24 September 2014. B) 5 November 2013. C) 5 December 2008. D) 3 March 2009. Show Answer Correct Answer: B) 5 November 2013. 23. Which is the following is a constellation? A) Orion. B) Cassiopeia. C) Leo Major. D) All of the Above. Show Answer Correct Answer: D) All of the Above. 24. What holds clusters of matter together in the universe? A) Gravity. B) Light. C) Radiation. D) Superclusters. Show Answer Correct Answer: A) Gravity. 25. What is one factor that makes life on Earth possible? A) Water. B) High gravity. C) Elliptical Orbit. D) Hydrogen. Show Answer Correct Answer: A) Water. ← PreviousNext →Related QuizzesClass 8 Science Chapter 17 Stars And The Solar System Quiz 1Class 8 Science Chapter 17 Stars And The Solar System Quiz 2Class 8 Science Chapter 17 Stars And The Solar System Quiz 4Class 8 Science Chapter 17 Stars And The Solar System Quiz 5Class 8 Science Chapter 17 Stars And The Solar System Quiz 6Class 8 Science Chapter 17 Stars And The Solar System Quiz 7Class 8 Science Chapter 17 Stars And The Solar System Quiz 8Class 8 Science Chapter 17 Stars And The Solar System Quiz 9Class 8 Science Chapter 17 Stars And The Solar System Quiz 10Class 8 Science Chapter 17 Stars And The Solar System Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books