Be curious 6 unit 6 vocab

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Across
  1. 2. using things again for a different purpose
  2. 7. a zone of a place
  3. 9. an item used to clean our plates
  4. 11. when the rubbish is thrown in the street
  5. 13. what we use to keep our homes cool during summer
  6. 16. the contaminated air
  7. 17. buses, trains for example
  8. 19. when there are too many cars on the road
  9. 20. a small road in the countryside
  10. 21. what we use to charge our phone
Down
  1. 1. what we put inside a lamp
  2. 3. the power or energy we use
  3. 4. we can use this to create a small fire to cook food
  4. 5. used to cover a window
  5. 6. what we put in our cars to make them go
  6. 8. a tropical place with lots of trees and exotic wildlife
  7. 10. what we use to keep our homes warm during winter
  8. 12. where we wash our hands
  9. 14. the things we don't want anymore
  10. 15. used to put your rubbish inside
  11. 18. produces light as it burns
  12. 19. where you get water from in your house