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Big Bang Quiz 1) The Big Bang Theory is a hypothesis that states that all matter and energy were at one time compressed into a small volume and then ____________. a) Imploded b) Expanded outward c) Stayed compressed d) None of the above 2) The first stars didn’t form until about 4 billion years after the Big Bang. a) True b) False 3) According to the Big Bang theory, the universe began a) 1 billion years ago b) 3.7 billion years ago c) 13.7 billion years ago d) 23.7 billion years ago 4) At the time of the Big Bang and just after a) All the matter and energy of the universe was compressed into a point. b) After a few seconds, protons, neutrons and electrons formed. c) After a few minutes, hydrogen formed. d) All of the above. 1 5) During the immediate aftermath of the Big Bang, hydrogen nuclei collided and fused into __________ nuclei. a) Oxygen b) Carbon c) Helium d) Potassium 6) In the early universe, matter was held together by which force? a) Gravity b) Centrifugal c) Inertia d) Attractive 7) Scientists have discovered the temperature of space is 3oC. a) True b) False 8) Which of the following is true? a) The temperature of space in the universe is 0 Kelvin. b) A tiny amount of heat left over from the Big Bang is spread around the universe. c) Galaxies and the space between them are the same temperature. d) There is no evidence for the Big Bang beyond the expanding universe. 9) At the farthest edges of what scientists can see, there are a) Galaxies that formed not long after the Big Bang. b) Galaxies that formed recently. 2 c) No things that astronomers can identify. d) Nothing but blobs of gas and dust. 10) It’s very difficult to determine scientifically what existed before the Big Bang because there is no evidence. a) True b) False 3