Click on a number in the grid to see the clue or clues for that number. Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter.

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 Check 

2. This four engine airliner can fly 6,495 miles or 10,457 kilometers non-stop. 4. Where was the first autobahn made? 6. Balloons use ____ to float. 7. This bicycle is a cross between a road bike and a mountain bike. 9. This tunnel goes under the English Channel. 11. This form of transportation uses propane to fly. 13. A two wheeled cart that is pulled by people. 15. The ____ is a boat that is very similar to a gondola, but it only ferries people between certain locations. 16. A ____ uses the tacking maneuver to travel into the wind.

1. This famous ocean liner was thought to be unsinkable. 3. What kind of transportation crosses the Grand Canal in Venice. 5. This form of tranportation uses rotors to fly. 8. This dog became a hero and a celebrity around the world. Who is he? 10. The name of this vehicle means '3 planks' in Mandarin. 12. This vehicle uses ballast tanks to dive and to surface. 14. A type of sailboat with two masts.