Alternative Energy

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Across
  1. 3. the main body of an aircraft
  2. 6. reduces drag
  3. 9. of Mass, position of matter in body
  4. 11. energy, different ways to use energy
  5. 12. stabilizer, air foil of an aircraft
  6. 13. brings thing down
Down
  1. 1. potential energy position in a gravitational field
  2. 2. Energy stored energy
  3. 4. push or sudden push
  4. 5. flat piece hinged vertically by stern
  5. 7. pull forcefully
  6. 8. maximum extent on a airplane
  7. 10. potential energy, energy stored and destroyed