All About Trees

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Across
  1. 4. I am the dirty gas that trees breathe in.
  2. 5. I have a smooth, silver- grey bark.
  3. 6. I give off winged fruit that are sometimes called helicopters.
Down
  1. 1. The Irish name for Autumn.
  2. 2. I am the season when trees lose their leaves.
  3. 3. Leaves change colour when the weathers gets colder
  4. 4. I am the fruit of the Horse Chestnut.
  5. 7. I am the fruit of the oak tree.
  6. 8. I am the gas that trees breathe out.
  7. 9. Trees help to keep the soil in place and so they prevent _____