final

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Across
  1. 3. speed-how light travels
  2. 5. measure the duration
  3. 9. opposite of matter
  4. 11. mass
  5. 12. freeze-something huge and is icy
  6. 14. basic unit in a cell
Down
  1. 1. of measurement of temperature
  2. 2. bang theory-theory of how the universe was created
  3. 4. how hot or cold something is
  4. 6. era- era matter was formed
  5. 7. crunch- a candy you get in lunchables
  6. 8. study of the universe
  7. 10. shift-determining the milky way
  8. 13. matter-can be the white dwarfs