1) What is the Big Bang? a) Universe's start b) Star explosion c) Galaxy formation d) Black hole 2) When did stars first form? a) After Big Bang b) Before Big Bang c) During Big Bang d) Never formed 3) What are stars made of? a) Gas and dust b) Water c) Metal d) Plastic 4) What is a nebula? a) Star nursery b) Black hole c) Planet d) Comet 5) What is nuclear fusion? a) Star energy source b) Star death c) Star cooling d) Star shrinking 6) What element fuels stars? a) Hydrogen b) Oxygen c) Carbon d) Iron 7) What is a supernova? a) Star explosion b) Star birth c) Star cooling d) Star shrinking 8) Why are supernovae important? a) Supernovae create black holes that power the Sun’s light. b) They are the main way planets like Earth form directly out of exploding stars. c) Supernovae keep galaxies from collapsing by constantly pushing them apart. d) They spread heavy elements (like iron, gold, and oxygen) into space, making planets and life possible

Leaderboard

Visual style

Options

Switch template

Continue editing: ?