This quiz works best with JavaScript enabled. Home > Science > The Universe – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 31 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How old is our universe? A) 13.8 thousand years. B) 13.8 million years. C) 13.8 billion years. D) 13.8 trillion years. Show Answer Correct Answer: C) 13.8 billion years. 2. What is the space and all the matter and energy that makes it up A) Star. B) Asteroid. C) Planets. D) Universe. Show Answer Correct Answer: D) Universe. 3. Galaxy is a collection of A) Planets. B) Moons. C) Solar systems. D) None of above. Show Answer Correct Answer: C) Solar systems. 4. If a star or galaxy is moving away from us, the emission lines will be what? A) Blue-shifting. B) Violet-shifting. C) Yellow-shifting. D) Red-shifting. Show Answer Correct Answer: D) Red-shifting. 5. Which piece of evidence supports the Big Bang theory? A) The more distant galaxies are moving the slowest. B) The more distant galaxies are moving the quickest. C) The more distant galaxies are moving towards us. D) Galaxies and space is not changing. Show Answer Correct Answer: B) The more distant galaxies are moving the quickest. 6. What is the name of the scientific theory that explains how the universe was created? A) The Balloon Theory. B) The Big Explosion Theory. C) The Big Bang Theory. D) The Small Bang Theory. Show Answer Correct Answer: C) The Big Bang Theory. 7. This has more mass than a planet but less mass than nebula. A) Moon. B) Solar System. C) Universe. D) Galaxy. Show Answer Correct Answer: B) Solar System. 8. Since the Big Bang, and even today, the universe is still ..... A) Expanding. B) Shrinking. C) Cooking. D) Spinning. Show Answer Correct Answer: A) Expanding. 9. Put in order from smallest to largest:Star, universe, galaxy, solar system. A) Star, solar system, galaxy, universe. B) Galaxy, star, solar system, universe. C) Universe, solar system, star, galaxy. D) Solar system, star, universe, galaxy. Show Answer Correct Answer: A) Star, solar system, galaxy, universe. 10. Who came up with the Big Bang Theory? A) Carl Sagan. B) Nicholas Copernicus. C) Georges LeMaitre. D) Galileo Galilei. Show Answer Correct Answer: C) Georges LeMaitre. 11. The critical mass-energy density is the mass-energy density required for a ..... A) Flat universe. B) Closed universe. C) Open universe. D) None of above. Show Answer Correct Answer: A) Flat universe. 12. Earth's tilted axis affects the strength of sunlight in different places on Earth's surface. If you are in an area that is receiving less direct sunlight, where are you located? A) Near the equator. B) Near the North Pole. C) Near the South Pole. D) Near the North or South Pole. Show Answer Correct Answer: D) Near the North or South Pole. 13. The theory of the origin of the universe that is most popular among space scientists suggests that our universe originated how long ago? A) 10-20 centuries ago. B) 10-20 thousand years ago. C) 10-20 million years ago. D) 10-20 billion years ago. Show Answer Correct Answer: D) 10-20 billion years ago. 14. How does the abundance of hydrogen and helium support the Big Bang Theory. A) Hydrogen and helium are elements on the Periodic Table. B) Hydrogen and helium are in the same ratio throughout the universe. C) Hydrogen and helium have many current uses today. D) None of above. Show Answer Correct Answer: B) Hydrogen and helium are in the same ratio throughout the universe. 15. All stars start as gas and dust in a(n) A) Nebula. B) Black hole. C) Red giant. D) Black dwarf. Show Answer Correct Answer: A) Nebula. 16. What is the definition of isotropic? A) Bright in one direction, but not the other. B) Homogenous. C) Uniform density. D) Same in all directions. Show Answer Correct Answer: D) Same in all directions. 17. According to the big bang theory, all the contents of the universe was compressed under extreme ..... A) Pressure, temperature, and density. B) Temperature, shape, and color. C) Density, temperature, and shape. D) Pressure, color, shape. Show Answer Correct Answer: A) Pressure, temperature, and density. 18. Which is the largest? A) Moons. B) Asteroids. C) Universe. D) Star. Show Answer Correct Answer: C) Universe. 19. What two characteristics are used to plot stars on the HR diagram? A) Temperature and size. B) Temperature and brightness (luminosity). C) Size and brightness. D) None of above. Show Answer Correct Answer: B) Temperature and brightness (luminosity). 20. What is in between mars and jupiter A) Earth. B) Galaxy. C) Asteroid belt. D) Saturn. Show Answer Correct Answer: C) Asteroid belt. ← PreviousNext →Related 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 9The Universe Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books