The Future of Flight

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Across
  1. 1. a backpack device that has an engine that thrusts the rider into the air
  2. 3. the force that pulls objects toward Earth
  3. 4. an expert in or student of one of the natural or physical sciences
  4. 6. moves in a fixed path around an object
  5. 9. go from one place to another
  6. 10. a machine capable of flying
  7. 11. a vehicle designed for traveling to outerspace
Down
  1. 2. pushes at great speed
  2. 5. engine a kind of engine that burns fuel and oxygen to create thrust
  3. 7. the distance that something can travel
  4. 8. a kind of engine that has no moving parts and is built for very fast speeds
  5. 10. a person trained to travel in a spacecraft