This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 35 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is our sun? A) A star composed of hydrogen and helium. B) A big ball of fire. C) A star composed of nitrogen and carbon. D) A large, bright planet. Show Answer Correct Answer: A) A star composed of hydrogen and helium. 2. Most distant galaxies show a red shift. This is considered evidence that the universe is ..... A) Getting cooler. B) Expanding. C) Condensing into a small point. D) Swirling around. Show Answer Correct Answer: B) Expanding. 3. Scientist that believe in the Big Bang Theory think that the universe was once much ..... A) Smaller and cooler. B) Brighter and larger. C) Heavier and darker. D) Denser and hotter. Show Answer Correct Answer: D) Denser and hotter. 4. What determines if a star becomes a giant or a supergiant? A) Star size. B) Star temperature. C) Star color. D) Star luminosity. Show Answer Correct Answer: A) Star size. 5. Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth? A) 1 year. B) 4.3 years. C) 43 years. D) 10 trillion years. Show Answer Correct Answer: B) 4.3 years. 6. A universe with enough matter (gravity) to eventually stop the expansion and recollapse will result in Big Crunch A) Open Universe. B) Closed Universe. C) Flat Universe. D) None of above. Show Answer Correct Answer: B) Closed Universe. 7. What are terrestrial planets? A) A large planet composed mainly of gas. B) A small planet composed mainly of rocky material. C) All the stars in the universe. D) A group of planets that are farthest from the sun. Show Answer Correct Answer: B) A small planet composed mainly of rocky material. 8. Which is the largest planet in the Solar System and has a prominent red spot? A) Jupiter. B) Saturn. C) Uranus. D) Mars. Show Answer Correct Answer: A) Jupiter. 9. Why does Earth get more energy from the Sun than from all other stars? A) The Sun is hotter than all other stars. B) The Sun is brighter than most other stars. C) The Sun is the biggest star. D) The Sun way closer to Earth than any other star. Show Answer Correct Answer: D) The Sun way closer to Earth than any other star. 10. Which of the following is the birthplace of stars? A) Universe. B) Galaxy. C) Nebula. D) Planets. Show Answer Correct Answer: C) Nebula. 11. What percentage of the universe do scientists predict dark energy to occupy? A) 52%. B) 68%. C) 75%. D) 89%. Show Answer Correct Answer: B) 68%. 12. What is the time it takes light to travel from the sun to the Earth A) Meters. B) Miles. C) Kilometers. D) Light years. Show Answer Correct Answer: D) Light years. 13. Which of the following is NOT used to explore the universe? A) Microscope. B) Hubble Telescope. C) International Space Station. D) Rover. Show Answer Correct Answer: A) Microscope. 14. Which statement is believed by most scientists about the age of our solar system? A) The universe is the same age as our Solar System. B) The universe is older than our Solar System. C) Our Solar System is older than the universe. D) Our Solar System is about 4.6 million years old. Show Answer Correct Answer: B) The universe is older than our Solar System. 15. What causes the Moon to revolve around Earth? A) Earth's gravity. B) The Sun's gravity. C) The Moon's lack of gravity. D) The Moon's jet packs. Show Answer Correct Answer: A) Earth's gravity. 16. Which of the following has the smallest mass? A) Universe. B) Nebula. C) Galaxy. D) Star. Show Answer Correct Answer: D) Star. 17. What is a large collection of stars held together by gravity? A) Solar System. B) Star. C) Galaxy. D) Planet. Show Answer Correct Answer: C) Galaxy. 18. What are electromagnetic waves? A) Sound waves. B) Energy that travels through space very quickly. C) The best ones for surfing. D) Things like longitudinal waves. Show Answer Correct Answer: B) Energy that travels through space very quickly. 19. Which of the following theories explains why the Universe is expanding at a great speed? A) Theory of evolution. B) Geocentric theory. C) Heliocentric theory. D) Big bang theory. Show Answer Correct Answer: D) Big bang theory. 20. What is the word that means that the universe is the same in all directions? A) Homogeneous. B) Isotropic. C) Heterotrophic. D) Heterogeneous. Show Answer Correct Answer: B) Isotropic. ← 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