This Wonder was mostly about...

Question 1 of 3

scientists’ ideas of what caused the Big Bang.

  1. scientists’ ideas of what caused the Big Bang.
  2. why everyone should believe the big bang theory.
  3. how many universes actually exist.
  4. who Stephen Hawking was.

Question 2 of 3

The tiny point that once contained all the matter in the universe is called a _______________________.

  1. dot
  2. atom
  3. singularity
  4. planet

Question 3 of 3

Which is the BEST evidence that some people don’t believe the Big Bang theory?

  1. “Other experts believe that the Big Bang wasn’t the beginning of time.”
  2. “A 2014 AP poll found that 51% of Americans were either unsure about the Big Bang or didn’t believe it ever happened.”
  3. “In the big bounce, our expanding universe keeps growing until it stops.”
  4. “According to the Big Bang theory, our universe was once smaller than an atom.”

Check your answers online at