This quiz works best with JavaScript enabled. Home > Science > Earth > Big Bang Theory – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Big Bang Theory Quiz 14 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do scientists know the universe is expanding? A) By looking through a telescope and seeing everything moving away. B) By looking at a star's spectrum and seeing the red shift. C) By looking at a star's spectrum and seeing the blue shift. D) The universe is not expanding. Show Answer Correct Answer: B) By looking at a star's spectrum and seeing the red shift. 2. Electromagnetic radiation is ..... A) Light energy. B) Heat. C) Gravitational energy. D) Spacetime. Show Answer Correct Answer: A) Light energy. 3. What are the 3 pieces of scientific evidence to prove the Big Bang Theory? A) Big Bang Theory, Galaxies, stars. B) Red Shift, Blue light, Doppler Effect. C) Red Shift, CMB, hydrogen & helium. D) None of above. Show Answer Correct Answer: C) Red Shift, CMB, hydrogen & helium. 4. The strongest of the four fundamental forces is A) Gravity. B) Electromagnetism. C) Strong Nuclear. D) Weak Nuclear. Show Answer Correct Answer: C) Strong Nuclear. 5. Who didn't think the universe was moving and then felt that it was his biggest blunder? A) Edwin Hubble. B) Fred Hoyle. C) Nicholas Copernicus. D) Albert Einstein. Show Answer Correct Answer: D) Albert Einstein. 6. The Big Bang Theory proposes that the Big Bang occurred ..... A) 8 billion years ago. B) 20.4 million years ago. C) 13.8 billion years ago. D) 3.8 billion years ago. Show Answer Correct Answer: C) 13.8 billion years ago. 7. Which force binds the nucleus of atoms together? A) Gravitational force. B) Electromagnetic force. C) Strong nuclear force. D) Weak nuclear force. Show Answer Correct Answer: C) Strong nuclear force. 8. How long did it take from the onset of the Big Bang to the formation of an atom (Hydrogen)? A) Less than 1 second. B) 10 seconds. C) 3 minutes. D) 500 million years. Show Answer Correct Answer: C) 3 minutes. 9. As galaxies move away from us, the light waves we see coming from them are A) Scrunched together. B) Louder. C) Not affected in any way. D) Stretched out. Show Answer Correct Answer: D) Stretched out. 10. German physicist who developed the theory of relativity, which states that time, space, and mass are relative to each other and not fixed. A) Albert Einstein. B) Edwin Hubble. C) Fred Hoyle. D) Penzias and Wilson. Show Answer Correct Answer: A) Albert Einstein. 11. What is the apparent change in frequency of electromagnetic or sound waves caused by the relative motions of the source and the observer? A) Doppler effect. B) Microwaves. C) Speed of light. D) Infrared. Show Answer Correct Answer: A) Doppler effect. 12. How many epochs are there in the matter era? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 13. Who helped prove the heliocentric model? A) Ptolemy. B) Aristotle. C) Einstein. D) Galileo. Show Answer Correct Answer: D) Galileo. 14. Blue wavelengths have the ..... frequency and ..... wavelengths in the visible light spectrum. A) Highest, shortest. B) Highest, longest. C) Lowest, shortest. D) Lowest, longest. Show Answer Correct Answer: A) Highest, shortest. 15. Stating that objects are getting closer-moving towards each other A) Angstrum. B) Blue Shift. C) Red Shift. D) Big Bang Theory. Show Answer Correct Answer: B) Blue Shift. 16. Gravity is caused by ..... A) Dark energy. B) Matter changing the shape of space. C) Changes in the speed of light. D) High amounts of cosmic background radiation. Show Answer Correct Answer: B) Matter changing the shape of space. 17. How old do scientists predict the universe to be? A) 13.7 million years old. B) 1 million years old. C) 13.7 billion years old. D) We're not sure how old it is. Show Answer Correct Answer: C) 13.7 billion years old. 18. About ..... billion years ago, there was a violent explosion of energy:the Big Bang. A) 13.8. B) 14.2. C) 13.6. D) 14.8. Show Answer Correct Answer: A) 13.8. 19. Our sun is considered a ..... star A) Supernova. B) Nebula. C) Main sequence. D) Massive. Show Answer Correct Answer: C) Main sequence. 20. What does the Big Bang Theory state about the density of the Universe? A) Dense at the start, and becoming more dense. B) Dense at the start, and becoming less dense. C) Less dense at the start, and becoming more dense. D) Less dense at the start, and becoming less dense. Show Answer Correct Answer: B) Dense at the start, and becoming less dense. ← PreviousNext →Related QuizzesScience QuizzesBig Bang Theory Quiz 1Big Bang Theory Quiz 2Big Bang Theory Quiz 3Big Bang Theory Quiz 4Big Bang Theory Quiz 5Big Bang Theory Quiz 6Big Bang Theory Quiz 7Big Bang Theory Quiz 8Big Bang Theory Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books