Guess method

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Across
  1. 1. Distance x time
  2. 4. Guess letter 2
  3. 5. How much matter something has
  4. 7. Speed + direction
  5. 8. How much gravity pulls it down
Down
  1. 2. guess letter 3
  2. 3. Guess letter 4
  3. 6. Guess letter 5
  4. 9. Guess letter 1