This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 21 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Our sun is in what stage? A) Planetary nebula. B) Protostar. C) Main sequence. D) Red giant. Show Answer Correct Answer: C) Main sequence. 2. A star is actually a star when it begins (the process of combining hydrogen) ..... A) Nuclear fission. B) Nuclear fusion. C) Moving. D) Shrinking. Show Answer Correct Answer: B) Nuclear fusion. 3. What is the name of the cosmic egg which is the origin of the whole universe. This egg is created by Brahma, the god of creation in Hinduism. A) Rigveda. B) Brahmanda. C) Bindu. D) Brahmanda's Egg. Show Answer Correct Answer: C) Bindu. 4. Whichof the following is NOT somethingthat the Terrestrial planets all have in common? A) They are lacking atmospheres. B) They are lacking a ring system. C) They are small. D) They have few or no moons. Show Answer Correct Answer: A) They are lacking atmospheres. 5. The theory that explains the formation of the solar system is called ..... A) Nebulis Theory. B) Nebular Theory. C) Big Bang Theory. D) Big Nebulan Theory. Show Answer Correct Answer: B) Nebular Theory. 6. What is the surface temperature of Venus? A) 753K. B) 768K. C) 357$^ \circ$C. D) 464$^ \circ$C. Show Answer Correct Answer: D) 464$^ \circ$C. 7. When planets move around the Sun they do not travel in a circle. Their orbit is an ..... A) Straight line. B) Rectangle. C) Square. D) Ellipse. Show Answer Correct Answer: D) Ellipse. 8. The ..... is used to read light as wavelengths. A) Parallax. B) Electromagnetic spectrum. C) Doppler Effect. D) Redshift. Show Answer Correct Answer: B) Electromagnetic spectrum. 9. An unknown substance that makes up 90% of a galaxies mass. A) MATTER. B) DARK ENERGY. C) DARK MATTER. D) ENERGY. Show Answer Correct Answer: C) DARK MATTER. 10. What are the two most abundant elements in the universe and were the first elements created? A) Lithium and Carbon. B) Hydrogen and Neon. C) Helium and Chlorine. D) Hydrogen and Helium. Show Answer Correct Answer: D) Hydrogen and Helium. 11. A graph relating the surface temperatures and absolute brightness of stars A) Spectrograph. B) Main sequence. C) Hertzsprung-Russell diagram. D) Parallax. Show Answer Correct Answer: C) Hertzsprung-Russell diagram. 12. Our solar system is located on ..... in a spiral galaxy called The Milky Way! A) The center bulge. B) Orion's arm. C) The inner disc near a black hole. D) Ptolemy's arm. Show Answer Correct Answer: B) Orion's arm. 13. Which of the following space technologies can astronauts live on for long periods of time? A) The Mars Curiosity. B) Chandra X-ray Observatory. C) International Space Station. D) A Space Shuttle. Show Answer Correct Answer: C) International Space Station. 14. What is a galaxy? A) A star and it's surrounding planets. B) Billions of stars held together by gravity. C) The big bang. D) A cluster of nebulas. Show Answer Correct Answer: B) Billions of stars held together by gravity. 15. Which of the following is the correct order of these components of the Universe from smallest to largest? A) Planets, stars, galaxies, nebulae. B) Planets, stars nebulae, galaxies. C) Nebulae, stars, planets, galaxies. D) Stars, planets, nebulae, galaxies. Show Answer Correct Answer: B) Planets, stars nebulae, galaxies. 16. Based on Kepler's Second Law of Planetary Motion we know that planets travel ..... when they are closer to their sun, and ..... when they are farther away. A) Slower, faster. B) Slower, backwards. C) Faster, slower. D) Retrograde, faster. Show Answer Correct Answer: C) Faster, slower. 17. Most scientists believe the Big Bang Theory explains which of the following questions? A) How our planets and moons formed. B) How our universe began. C) How the sun turns hydrogen into helium. D) How fast light travels through space. Show Answer Correct Answer: B) How our universe began. 18. Which unit is commonly used to express distance between stars and galaxies? A) Astronomical units (AU). B) Kilometers (km). C) Lightyears (LY). D) Nanometers (nm). Show Answer Correct Answer: C) Lightyears (LY). 19. What law states that objects in the universe attract each other through gravitational force? A) Law of Universal Gravitation. B) Law of Universal Attraction. C) Law of Quantum Physics. D) Law of Universal movement. Show Answer Correct Answer: A) Law of Universal Gravitation. 20. What is the name for large empty areas in the universe? A) Voids. B) Clusters. C) Webs. D) Cosmic spaces. Show Answer Correct Answer: A) Voids. ← 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