Important inventions

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