simple vehicles

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Across
  1. 4. car with 3 wheels
  2. 5. can carry heavy things on the road
  3. 8. people like to see these against each other
  4. 10. it flies
  5. 11. a very fast plane but big
Down
  1. 1. this one swims underwater
  2. 2. a bike but with a motor
  3. 3. glides very fast on water
  4. 6. the average person rides in this daily
  5. 7. a very fast plane
  6. 9. a big boat that carries things