This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 29 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A chunk of rock or iron less than 1, 000 km in diameter that orbits the sun A) Comet. B) Star. C) Asteroid. D) Ring. Show Answer Correct Answer: C) Asteroid. 2. The main things we see in the universe are ..... and they are grouped in ..... A) Galaxies, stars. B) Planets, solar systems. C) Galaxies, universe. D) Stars, galaxies. Show Answer Correct Answer: D) Stars, galaxies. 3. Which component of the universe contains all other components listed below and would have the greatest mass? A) Solar system. B) Nebula. C) Galaxy. D) Planetary System. Show Answer Correct Answer: C) Galaxy. 4. What is the meaning of the vocabulary word astronomers? A) People who study astronaughts. B) People who study the stars. C) People who are stars. D) People who study the Astros MLB team. Show Answer Correct Answer: B) People who study the stars. 5. What are the abundant elements found in the universe (choose 3) A) Lithium, hydrogen, oxygen. B) Carbon, sodium, chloride. C) Helium, hydrogen, lithium. D) Lead, lithium, hydrogen. Show Answer Correct Answer: C) Helium, hydrogen, lithium. 6. What force keeps together all the stars in a galaxy? A) Centrifugal force. B) Fiction. C) Gravity. D) Wind. Show Answer Correct Answer: C) Gravity. 7. What is the name of baby stars? A) Dwarf. B) Supergiant. C) Protostars. D) Nebulas. Show Answer Correct Answer: C) Protostars. 8. Which of the following describes a nebula? A) A cloud of gas and dust where new stars form. B) An oval-shaped cluster of densely packed stars. C) An explosion at the end of a giant star's life. D) A star and all the planets that revolve around it. Show Answer Correct Answer: A) A cloud of gas and dust where new stars form. 9. Which answer best describes the evidence of The Big Bang? A) Redshift from galaxies. B) Abundance, or large amounts, of light elements such as helium and hydrogen in the universe. C) Cosmic Microwave Background (CMB). D) All of the above are pieces of evidence. Show Answer Correct Answer: D) All of the above are pieces of evidence. 10. A chunk of frozen gases, rock, ice, and dust that orbits around the sun A) Comet. B) Asteroid. C) Meteoroid. D) Moon. Show Answer Correct Answer: A) Comet. 11. The ..... is a single star (sun), planets, and all the other objects that revolve around the sun A) Big bang. B) Solar system. C) Milky way. D) None of above. Show Answer Correct Answer: B) Solar system. 12. The temperature of the universe is ..... A) Random. B) Uniform. C) Increasing. D) Decreasing. Show Answer Correct Answer: B) Uniform. 13. A galaxy contains stars, gas, and dust. This matter must be held together or the galaxy will break apart. What is responsible for holding the stars, gas, and dust together in a galaxy? A) Heat. B) Light. C) Gravity. D) Friction. Show Answer Correct Answer: C) Gravity. 14. The time required for the earth to rotate once on it axis A) Year. B) Month. C) Day. D) 6 Months. Show Answer Correct Answer: C) Day. 15. Which best describes what the universe was like one second after the big bang? A) It was very small and new stars were forming. B) It was large with many young galaxies. C) It was cool and massive. D) It was rapidly expanding and very hot. Show Answer Correct Answer: D) It was rapidly expanding and very hot. 16. What can be determined about stars using wavelengths from the electromagnetic spectrum? A) Distance, chemical compostion. B) Distance, chemical composition, temperature, luminosity. C) Distance, temperature, luminosity. D) Chemical composition, temperature. Show Answer Correct Answer: B) Distance, chemical composition, temperature, luminosity. 17. A collection of billions of stars with dust and gases A) Planet. B) Solar system. C) Galaxy. D) None of above. Show Answer Correct Answer: C) Galaxy. 18. Which layer of the sun is the hottest? A) Core. B) Corona. C) Chromosphere. D) Photosphere. Show Answer Correct Answer: A) Core. 19. What is located at the center of our galaxy? A) The sun. B) A very large black hole. C) A void of empty space. D) The constellation Cancer. Show Answer Correct Answer: B) A very large black hole. 20. One way to compare the objects of space is by their relative sizes. Which of the following is larger than a galaxy? A) Star. B) Planet. C) Universe. D) Solar system. Show Answer Correct Answer: C) Universe. ← PreviousNext →Related QuizzesScience QuizzesThe Universe Quiz 1The Universe Quiz 2The Universe Quiz 3The Universe Quiz 4The Universe Quiz 5The Universe Quiz 6The Universe Quiz 7The Universe Quiz 8The Universe Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books