Big Bang Crossword

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Across
  1. 5. All matter exists
  2. 6. Created the Universe
  3. 7. In Batteries
  4. 9. Left over radiation
  5. 10. Element One
Down
  1. 1. Electromagnetic Waves
  2. 2. Theory of Relativity
  3. 3. Makes balloons float
  4. 4. Group of Solar Systems
  5. 8. Scientist for Galaxies