This quiz works best with JavaScript enabled. Home > Science > Earth > Big Bang Theory – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Big Bang Theory Quiz 3 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All stars spend about 90% of their life cycle in this stage of stellar evolution. A) Supergiant. B) Neutron star. C) Planetary nebula. D) Main sequence. Show Answer Correct Answer: D) Main sequence. 2. The law of conservation of energy states that A) Eating lipids gives you more energy than carbohydrates. B) Energy cannot be created or destroyed. C) The mass of an object is fixed. D) The amount of energy in the Universe is decreasing. Show Answer Correct Answer: B) Energy cannot be created or destroyed. 3. What have astronomer's concluded based on the observed red shifts in the spectral lines of distant galaxies? A) Universe is getting smaller. B) Universe is expanding. C) Universe size isn't changing. D) None of above. Show Answer Correct Answer: B) Universe is expanding. 4. The energy was found in the form of microwaves and is coming at us from every point in the universe. "afterglow" A) Big Bang Theory. B) Cosmic Microwave Background Radiation (CMB). C) Star. D) Red Shift. Show Answer Correct Answer: B) Cosmic Microwave Background Radiation (CMB). 5. What brightens and fades in a regular pattern? A) The sun. B) A Cepheid variable. C) A shiny rock. D) Light year. Show Answer Correct Answer: B) A Cepheid variable. 6. The big bang theory ..... A) Uses evidence to explain how the universe started. B) Is a reasonable guess, but is not yet supported. C) Cannot be changed. D) States what started the universe. Show Answer Correct Answer: A) Uses evidence to explain how the universe started. 7. Which of the following happens before a black hole comes into existence? A) Gravity ceases to exist in a certain region of space. B) A new star is born at the center of a galaxy. C) An old star collapses in on itself. D) The fabric of spacetime is ripped by a star or planet. Show Answer Correct Answer: C) An old star collapses in on itself. 8. Occurred 14 million years ago when galaxies expanded throughout the universe like raisins baked in a cake. A) Galaxy Motion. B) The Big Bang. C) Universe Expansion. D) The Big Bake. Show Answer Correct Answer: B) The Big Bang. 9. The Giant Impact is a A) Galaxy. B) Star. C) Theory. D) None of above. Show Answer Correct Answer: C) Theory. 10. Which word best describes a singularity? A) Large. B) Cold. C) Dense. D) Flammable. Show Answer Correct Answer: C) Dense. 11. Which of the following processes happens when a star is born? A) Rotation. B) Red shift. C) Nuclear Fission. D) Nuclear Fusion. Show Answer Correct Answer: D) Nuclear Fusion. 12. What did Edwin Hubble discover? A) Aliens. B) Red Shift. C) Blue waves of nuclear radiation. D) Green shift. Show Answer Correct Answer: B) Red Shift. 13. Which of the following is NOT a fundamental force of nature? A) Electroweak force. B) Gravity. C) Strong Force. D) Electromagnetism. Show Answer Correct Answer: A) Electroweak force. 14. What spectrum is one that is a continuous spectrum with dark lines running through it? A) Absorption. B) Emission. C) Continuous. D) None of the above. Show Answer Correct Answer: A) Absorption. 15. What causes stars to exit the main sequence? A) When they get too old. B) When gravity causes the core to collapse. C) When the star begins to exhaust all of its hydrogen and run out of fuel. D) When the star begins to burn too hot and go into supernova. Show Answer Correct Answer: C) When the star begins to exhaust all of its hydrogen and run out of fuel. 16. The universe began as? A) A dot. B) A volcano. C) Hot, small and dense superforce. D) Large, hot and dense superforce. Show Answer Correct Answer: C) Hot, small and dense superforce. 17. According to the Doppler effect, the color of any object moving away from you will shift towards ....., while the color of any object moving closer while shift towards ..... A) Blue, red. B) Red, blue. C) White, black. D) Black, white. Show Answer Correct Answer: B) Red, blue. 18. To prove that a theory is true, scientists need ..... A) Evidence. B) Money. C) A judge. D) To argue with each other. Show Answer Correct Answer: A) Evidence. 19. According to the scientists and the Big Bang Theory, about how long ago did the universe begin? A) 15.4 billion years ago. B) 16.9 billion years ago. C) 13.7 billion years ago. D) 14.2 billion years ago. Show Answer Correct Answer: C) 13.7 billion years ago. 20. What are galaxies made of? A) Billions of stars. B) Moons and planets. C) Two stars orbiting each other. D) About one hundred stars. Show Answer Correct Answer: A) Billions of stars. ← PreviousNext →Related QuizzesScience QuizzesBig Bang Theory Quiz 1Big Bang Theory Quiz 2Big Bang Theory Quiz 4Big Bang Theory Quiz 5Big Bang Theory Quiz 6Big Bang Theory Quiz 7Big Bang Theory Quiz 8Big Bang Theory Quiz 9Big Bang Theory Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books