Vocabulary Crossword Puzzle

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Across
  1. 3. The universe getting bigger
  2. 7. Invisible matter that affects gravity
  3. 8. Everything that exists
  4. 9. Large systems of stars and dust
  5. 10. Anything that has mass and takes up space
Down
  1. 1. To discover or identify something
  2. 2. Ability to do work or cause change
  3. 4. Another word for the universe
  4. 5. Force causing the universe to expand faster
  5. 6. A force that pulls objects together