Future Travel

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Across
  1. 1. It's a train that travels above the city.
  2. 3. ______ train. It's a train that can take you from one city to another very fast
  3. 4. If ou wear it on your back and you can fly.
  4. 6. Many cars are ______ so they are not noisy.
  5. 7. Some cars are ______, so drivers can sleep or send messages when they go to work.
  6. 9. ______ jet. It can fly very fast in the sky.
Down
  1. 1. Some very fast trains are ______, but cars are not.
  2. 2. It can fly in space and go to the moon.
  3. 5. It's like a skateboard, but it has no wheels.
  4. 8. Some people think there are going to be ______ cars in the sky.