Important inventions

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Across
  1. 3. you can use it to communicate
  2. 4. you can kill bacteria with it
  3. 6. it is used to take photos
  4. 8. bulb lights up a dark room
  5. 9. it only moves on rails
  6. 10. it stores energy
  7. 11. it has many different channels
Down
  1. 1. you can listen to the news with it
  2. 2. it flies and can land anywhere
  3. 3. engine it powers all kinds of machines
  4. 5. it flies around the world
  5. 7. you can drive with it