This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 18 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How can we know about the conditions of the early universe? A) We can't. B) Reading ancient manuscripts. C) Learning how matters acts at high temperatures. D) Learning how matter acts at low temperatures. Show Answer Correct Answer: C) Learning how matters acts at high temperatures. 2. Very hot stars are what color? A) Blue. B) Yellow. C) Red. D) Orange. Show Answer Correct Answer: A) Blue. 3. Which is in order from greatest to least mass? A) Universe, Sun, Galaxy, Moon. B) Universe, Galaxy, Nebula, Star. C) Star, Nebula, Galaxy, Universe. D) Planet, Moon, Star, Solar System. Show Answer Correct Answer: B) Universe, Galaxy, Nebula, Star. 4. What is precession? A) Change in the angle of Earth's rotational axis. B) Change in direction of Earth's rotational axis. C) Center of mass between two objects in space. D) Change in direction of Earth's elliptical. Show Answer Correct Answer: B) Change in direction of Earth's rotational axis. 5. A singularity is ..... A) A collection of stars. B) A cloud of gas. C) A young star. D) An infinitely small, hot area of infinite pressure and density. Show Answer Correct Answer: D) An infinitely small, hot area of infinite pressure and density. 6. What is the Big Bang? A) A theory that explains the origin of the universe. B) A theory that is based on how the Earth will end. C) A theory related to the explosions on Earth. D) None of above. Show Answer Correct Answer: A) A theory that explains the origin of the universe. 7. How long does it take the earth to rotate once? A) 12 hours. B) 24 hours. C) 20 hours. D) 36 hours. Show Answer Correct Answer: B) 24 hours. 8. Cosmic microwave background is ..... A) The huge fluctuations in temperature across the universe. B) Dangerous radiation that makes life on other planets impossible. C) Proof that the universe began with a huge explosion. D) The remnant 'fog' from the formation of the universe. Show Answer Correct Answer: D) The remnant 'fog' from the formation of the universe. 9. THE ASTEROID BELT IS LOCATED BETWEEN WHICH 2 PLANETS? A) EARTH & MARS. B) JUPITER & EARTH. C) MARS & JUPITER. D) SATURN & JUPITER. Show Answer Correct Answer: C) MARS & JUPITER. 10. A small rocky particle that strikes a planet or a moon. A) A satellite. B) An aster. C) A meteorite. D) Meteoroid. Show Answer Correct Answer: C) A meteorite. 11. A ..... is a large celestial body that is composed of gas and emits light. A) Planet. B) Galaxy. C) Star. D) Moon. Show Answer Correct Answer: C) Star. 12. The universe is expanding! This means that A) All of the galaxies are spreading out. B) The universe must have started from a single point. C) The universe is cooling down. D) All of the above. Show Answer Correct Answer: D) All of the above. 13. A ..... is a spherical body that orbits the sun. A) Star. B) Planet. C) Galaxy. D) Solar system. Show Answer Correct Answer: B) Planet. 14. What is the unit used to measure the distance between galaxies A) Parsec. B) Astronomical Units. C) Light year. D) Kilometers. Show Answer Correct Answer: A) Parsec. 15. At the center of most, if not all galaxies is a ..... A) Giant sun. B) Giant black hole. C) A big bang. D) A small sun. Show Answer Correct Answer: B) Giant black hole. 16. The Hubble constant (Ho) is ..... A) 70 km/s/Mpc. B) 1240 eVnm. C) 6.67x10-11 m3/kgs2. D) 9.8 m/s2. Show Answer Correct Answer: A) 70 km/s/Mpc. 17. What was in part of the Milky Way prior to 4.6 billion years ago? A) Nothing. B) A cloud of dust and gas. C) Other planets. D) A supernova star. Show Answer Correct Answer: B) A cloud of dust and gas. 18. Which of the following components of the universe is best described as an interstellar cloud of dust and gases where stars can form? A) A nebula. B) A planet. C) A meteor. D) A galaxy. Show Answer Correct Answer: A) A nebula. 19. A system of stars held together by gravitational attraction between gas and dust is called A) An asteroid. B) A nebula. C) A galaxy. D) The universe. Show Answer Correct Answer: C) A galaxy. 20. Put the visible light colors in order from longest wavelength to shortest wavelength A) Violet, Indigo, Blue, Green, Orange, Yellow, Red. B) Red, Yellow, Green, Orange, Violet, Blue, Indigo. C) Red, Orange, Yellow, Green, Blue, Indigo, Violet. D) None of above. Show Answer Correct Answer: C) Red, Orange, Yellow, Green, Blue, Indigo, Violet. ← 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