science - crosswords

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Across
  1. 1. a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces
  2. 4. almost like an airplane, but with no engine. They use gravity and air to stay up into the sky.
  3. 5. so the plane (creature) rises
  4. 7. having an empty space inside
  5. 9. a continuous area or expanse which is free, available or unoccupied
  6. 10. - so the plane (creature) falls
  7. 12. - changes the vertical direction that the aircraft's nose is pointing
  8. 14. - so the plane (creature) slows
  9. 15. a toy that flies through the air when there’s wind
Down
  1. 2. drive, push, or cause to move in a particular direction, typically forward.
  2. 3. a vehicle with rotating wings called blades.
  3. 6. so the plane (creature) accelerates
  4. 8. the action or process of flying through the air
  5. 11. when something becomes bigger or more extensive.
  6. 13. a large body of matter with no definite shape.