Transportation crossword #1 (level 2)

Across

3. 3 Four wheels on the road. (3 letters)
6. 6 It flies with a big rotor. (10 letters)

Down

1. 1 Hot air makes it fly. (7 letters)
2. 2 It flies in the sky. (5 letters)
4. 4 It turns under the vehicle. (5 letters)
5. 5 It goes around the wheel. (4 letters)
7. 7 Car you pay to ride in. (4 letters)
8. 8 Cars drive on it. (4 letters)