This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > The Universe – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 10 (60 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) Asteroid. B) Star. C) Ring. D) Comet. Show Answer Correct Answer: A) Asteroid. 2. The main things we see in the universe are ..... and they are grouped in ..... A) Galaxies, universe. B) Stars, galaxies. C) Planets, solar systems. D) Galaxies, stars. Show Answer Correct Answer: B) Stars, galaxies. 3. Which component of the universe contains all other components listed below and would have the greatest mass? A) Galaxy. B) Solar system. C) Planetary System. D) Nebula. Show Answer Correct Answer: A) Galaxy. 4. What is the meaning of the vocabulary word astronomers? A) People who study the Astros MLB team. B) People who study astronaughts. C) People who are stars. D) People who study the stars. Show Answer Correct Answer: D) People who study the stars. 5. What are the abundant elements found in the universe (choose 3) A) Carbon, sodium, chloride. B) Lead, lithium, hydrogen. C) Lithium, hydrogen, oxygen. D) Helium, hydrogen, lithium. Show Answer Correct Answer: D) Helium, hydrogen, lithium. 6. What force keeps together all the stars in a galaxy? A) Centrifugal force. B) Fiction. C) Wind. D) Gravity. Show Answer Correct Answer: D) 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) Moon. B) Comet. C) Asteroid. D) Meteoroid. Show Answer Correct Answer: B) 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) Gravity. B) Heat. C) Friction. D) Light. Show Answer Correct Answer: A) Gravity. 14. The time required for the earth to rotate once on it axis A) 6 Months. B) Month. C) Year. D) Day. Show Answer Correct Answer: D) 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, temperature, luminosity. B) Distance, chemical compostion. C) Distance, chemical composition, temperature, luminosity. D) Chemical composition, temperature. Show Answer Correct Answer: C) 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) Chromosphere. C) Photosphere. D) Corona. Show Answer Correct Answer: A) Core. 19. What is located at the center of our galaxy? A) A very large black hole. B) The constellation Cancer. C) A void of empty space. D) The sun. Show Answer Correct Answer: A) 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) Solar system. C) Planet. D) Universe. Show Answer Correct Answer: D) Universe. 21. The universe is mostly A) Made of stars. B) Gas and dust clouds. C) Rocky planets, moons, and extraterrestrial objects. D) Empty space. Show Answer Correct Answer: D) Empty space. 22. Complete the sentence:Objects are red-shifted when they are moving ....., causing the wavelengths of light to ..... A) Towards us, increase. B) Away from us, increase. C) Away from us, decrease. D) Towards us, decrease. Show Answer Correct Answer: B) Away from us, increase. 23. A collection of dust and gases where stars can form is called a A) Galaxy. B) Supernova. C) Nebula. D) Black Hole. Show Answer Correct Answer: C) Nebula. 24. Which of the following components of the universe is best described a system of stars, gases, and dust held together by gravity? A) A meteor. B) A nebula. C) A galaxy. D) A planet. Show Answer Correct Answer: C) A galaxy. 25. Which body in our solar system is classified as a star A) Mars. B) Haleys Comet. C) Pluto. D) The Sun. Show Answer Correct Answer: D) The Sun. 26. What theory is closely associated with the big bang theory? A) The heliocentric model. B) The geocentric model. C) The shrinking universe. D) The expanding universe. Show Answer Correct Answer: D) The expanding universe. 27. Inside a singularity we find what type of conditions? A) Infinite density. B) Infinite heat. C) An infinitesimally small diameter. D) All of these. Show Answer Correct Answer: D) All of these. 28. ..... is the study of the universe. A) Climatology. B) Cosmology. C) Astronomy. D) Geology. Show Answer Correct Answer: B) Cosmology. 29. Venus appears very bright in the night sky because it ..... A) Is the largest planet. B) Is the closest planet to Earth. C) Has a high surface temperature. D) Has a gravitational field. Show Answer Correct Answer: B) Is the closest planet to Earth. 30. How bright a star appears in the night sky relative to other stars seen there is called its A) Spectral class. B) Apparent magnitude. C) Luminosity. D) Absolute magnitude. Show Answer Correct Answer: B) Apparent magnitude. 31. Which does the existance of cosmic background radiation support? A) Hubble constant. B) The inflationary model. C) The Big Bang Theory. D) Critical density. Show Answer Correct Answer: C) The Big Bang Theory. 32. What are the longest and least dangerous of all the electromagnetic wavelengths? A) Radio waves. B) Microwaves. C) Gamma rays. D) X-Rays. Show Answer Correct Answer: A) Radio waves. 33. Our Sun is located near the edge of a ..... galaxy, named the ..... A) Disc shaped, Milky Way. B) Elliptical shaped, Solar System. C) Elliptical shaped, Milky Way. D) Disc shaped, Solar System. Show Answer Correct Answer: A) Disc shaped, Milky Way. 34. The evidence we have suggests that ..... A) The universe has just always existed. B) The universe began with a huge explosion. C) The universe is shrinking. D) The universe started with a singularity and continues to expand. Show Answer Correct Answer: D) The universe started with a singularity and continues to expand. 35. When we see the Andromeda galaxy, we are seeing it as it was 2.3 million years ago. Why? A) It takes light that length of time to travel. B) Light travels really slow in outer space. C) Light travels faster than sound. D) It is an ancient galaxy. Show Answer Correct Answer: A) It takes light that length of time to travel. 36. 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. 37. What is the space and all the matter and energy that makes it up A) Star. B) Universe. C) Asteroid. D) Planets. Show Answer Correct Answer: B) Universe. 38. Galaxy is a collection of A) Planets. B) Moons. C) Solar systems. D) None of above. Show Answer Correct Answer: C) Solar systems. 39. If a star or galaxy is moving away from us, the emission lines will be what? A) Violet-shifting. B) Blue-shifting. C) Yellow-shifting. D) Red-shifting. Show Answer Correct Answer: D) Red-shifting. 40. 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. 41. This has more mass than a planet but less mass than nebula. A) Universe. B) Solar System. C) Moon. D) Galaxy. Show Answer Correct Answer: B) Solar System. 42. 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. 43. Put in order from smallest to largest:Star, universe, galaxy, solar system. A) Solar system, star, universe, galaxy. B) Star, solar system, galaxy, universe. C) Galaxy, star, solar system, universe. D) Universe, solar system, star, galaxy. Show Answer Correct Answer: B) Star, solar system, galaxy, universe. 44. Who came up with the Big Bang Theory? A) Georges LeMaitre. B) Nicholas Copernicus. C) Carl Sagan. D) Galileo Galilei. Show Answer Correct Answer: A) Georges LeMaitre. 45. 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. 46. 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 South Pole. B) Near the North Pole. C) Near the North or South Pole. D) Near the equator. Show Answer Correct Answer: C) Near the North or South Pole. 47. 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. 48. 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. 49. All stars start as gas and dust in a(n) A) Black hole. B) Black dwarf. C) Red giant. D) Nebula. Show Answer Correct Answer: D) Nebula. 50. 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. 51. 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. 52. Which is the largest? A) Moons. B) Universe. C) Star. D) Asteroids. Show Answer Correct Answer: B) Universe. 53. 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). 54. What is in between mars and jupiter A) Asteroid belt. B) Earth. C) Saturn. D) Galaxy. Show Answer Correct Answer: A) Asteroid belt. 55. What does the red-shift of light emitted by stars tell us about our universe? A) That the universe is cooling. B) That the universe is a sphere. C) That the universe is getting smaller. D) That the universe is expanding. Show Answer Correct Answer: D) That the universe is expanding. 56. The "afterglow" of the energy from the origin of the universe that we see today is called ..... A) Cosmic explosions. B) Doppler effect. C) Cosmic radiation. D) Sunlight. Show Answer Correct Answer: C) Cosmic radiation. 57. What does the strong nuclear force control? A) It holds protons and neutrons in nuclei together. B) It attracts all matter to all other matter in the universe. C) It holds electrons in orbit in atoms. D) It can turn a proton into a neutron during radioactive decay. Show Answer Correct Answer: A) It holds protons and neutrons in nuclei together. 58. Which is one piece of information that astronomers use to calculate the age of the universe? A) Patterns of background radiation. B) The current motion of inner planets. C) The age of rocks on Earth. D) Dark energy. Show Answer Correct Answer: A) Patterns of background radiation. 59. A universe that stop expanding only after an infinite amount of time will result in Big Freeze. A) Open Universe. B) Closed Universe. C) Flat Universe. D) None of above. Show Answer Correct Answer: C) Flat Universe. 60. A gigantic explosion that cause the death of a massive star is A) Supernova. B) Comet. C) Light year. D) Nebula. Show Answer Correct Answer: A) Supernova. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesThe Universe Quiz 1The Universe Quiz 2The Universe Quiz 3The Universe Quiz 4The Universe Quiz 5The Universe Quiz 6The Universe Quiz 7The Universe Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books