Flight Crossword Puzzle - by Suzanna

12345678910
Across
  1. 3. copy animals features to make something that works the same
  2. 4. a strong force that pushes something
  3. 5. what pushes you back
  4. 8. how easy it is for air to flow around something
  5. 9. the curved surface on airplane wings
  6. 10. air that pushes wings up
Down
  1. 1. particles that build up and push out inside a container
  2. 2. push an object forward
  3. 6. the force that pulls you down to the earth
  4. 7. a measure of how heavy something is