Root Words Puzzle

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Across
  1. 1. useful when the power goes out
  2. 3. hidden messages
  3. 4. indifferent
  4. 6. they have the same meaning
  5. 9. natural and without chemicals
  6. 10. an Olympic sport where swimmers must be...
Down
  1. 2. a flight from America to Europe
  2. 5. autobots, decepticons, and Shia LaBeouf
  3. 7. USA, USA, USA!!!
  4. 8. DNA from your parents