Flight and Space

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Across
  1. 3. A power-driven aircraft kept buoyant by a body of gas (usually helium) which is lighter than air.
  2. 4. The art and science of designing, building, and operating manned or unmanned space objects.
  3. 6. the study or practice of traveling through the air
  4. 7. A large bag filled with hot air or gas to make it rise in the air, with a basket for passengers hanging from it.
  5. 8. An advertising film which promotes a product in an informative and supposedly objective style.
  6. 10. A type of aircraft deriving both lift and propulsion from one or two sets of horizontally revolving rotors.
  7. 11. A short, easily-remembered slogan, verse, or tune.
Down
  1. 1. the study of forces and the resulting motion of objects through the air
  2. 2. Robotic aircraft, used extensively by the military.
  3. 3. Design machines that fly.
  4. 5. Branch of technology and industry concerned with aviation and space flight
  5. 9. A powered heavier-than-air aircraft with fixed wings from which the aircraft derives most of its lift.