Aiiplanes

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. A wheeled vehicle consisting of a self-propelled ___ that is used to draw trains along railway (6)
  2. 4. Warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings (plural) (5)
  3. 5. Compartment where the pilot sits while flying the aircraft (7)
  4. 8. A formation of aircraft in ___ (6)
  5. 9. A bar or pair of parallel bars of rolled steel making the railway along which railroad cars (6)
  6. 12. Any collection of particles or gases that is visible (plural) (6)
  7. 13. A person qualified to guide ships through difficult waters going into or out of a harbor (5)
  8. 14. A lofty level or position or degree (4)

Down

  1. 1. A movable organ for flying (plural) (5)
  2. 2. An airfield equipped with control tower and hangars as well as accommodations for passengers (7)
  3. 6. An aircraft that has a fixed wing and is powered by propellers or jets (plural) (6)
  4. 7. The atmosphere and outer space as viewed from the earth (3)
  5. 10. A mixture of gases required for breathing (3)
  6. 11. An instance of traveling by air (6)