Big Bang Crossword Puzzle

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Across
  1. 2. First element made after the Big Bang. Makes up 73% of the universe today.
  2. 4. The wavelength of the light stretched, so the light is "shifted towards the red part of the EM Spectrum.
  3. 6. A theory that states the universe is always expanding and was originally more denser than our universe now.
  4. 7. Energy leftover from the origin of the universe. Oldest microwaves in the universe.
  5. 8. Something that is made up of all matter and space that exists.
  6. 9. Particles that composes all matter
Down
  1. 1. The first subatomic particle in the universe to appear.
  2. 2. The second most abundant element in the universe. Makes up 25% of the universe today. One of the first elements created
  3. 3. A range of all types of radiation that travels in waves. A spectrum used to study light.
  4. 5. The force responsible for the creation of the galaxies and stars. Discovered by Albert Einstein.