Greek Roots

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Across
  1. 6. see from far away
  2. 7. Reuse
  3. 8. Hidden sight
  4. 9. Symbol
  5. 10. Space
Down
  1. 1. Instrument for distance traveled in a vehicle
  2. 2. Earths inside heat
  3. 3. Temperature measure
  4. 4. Science of air travel
  5. 5. Over and over again