Revision of topics

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Across
  1. 4. you need to go camping
  2. 7. use it to record videos
  3. 8. you need this document to travel
  4. 9. use it to check your emails
  5. 10. it is very small
  6. 11. use it to read electronic books
Down
  1. 1. you can carry it by hand
  2. 2. you can put it in the water
  3. 3. you need it to see in the darkness
  4. 5. it uses electricity
  5. 6. it uses sun light