Earth

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Across
  1. 2. Another word for ground
  2. 4. A forest has lots of
  3. 6. What planet do we live on
  4. 9. Cars and factories create ......... in the air
  5. 10. This bring us light during the day
Down
  1. 1. There is a hole in the....... layer
  2. 3. We see the moon at
  3. 5. Summer, Autum, Winter, Spring are the four
  4. 7. River, lakes and oceans are filled with this
  5. 8. Opposite to dirty