Aerospace Unit #2 Crossword Puzzle

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Across
  1. 7. As the speed of a gas or liquid increases, pressure decreases.
  2. 11. force that creates a forward push
  3. 12. wings that allow a bird to take off quickly and maintain high speed for a long time
  4. 13. force that causes the bird or plane to move upward
  5. 14. feathers that are used for lift, steering, balancing and braking
Down
  1. 1. a structure with curved surfaces designed to create lift
  2. 2. feathers that propel the bird forward and help it steer
  3. 3. feathers that help with lift and soaring
  4. 4. feathers that cuts through wind and lets the airflow travel on both sides of the wing
  5. 5. force exerted on a surface by air
  6. 6. wings that allow a bird to take off and land in limited areas
  7. 8. wings that allow a bird to soar for long periods without flapping
  8. 9. wings that allow a bird to have short, high-speed bursts
  9. 10. feathers that help to smooth airflow over the wings and tail