Crossword AVTECH

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Across
  1. 6. unsteady movement
  2. 7. someone who is idiot
  3. 8. Its chemical symbol is Na
  4. 10. Person from who one is descended
Down
  1. 1. a surprising discovery
  2. 2. The first layer of the Earth.
  3. 3. synonym of fight
  4. 4. synonym of : to die
  5. 5. a substance that is liquid or gaseous
  6. 9. It has a north and south pole