Across
- 2. layer between the inner and outer bark
- 3. product made from trees, used in offices and schools
- 4. gas given off by photosynthesis
- 5. indicate the number of years a tree has grown
- 11. basic material a product is made of
- 12. used for fun
- 14. trees that keep their leaves all year
- 15. product made from trees used in building and construction
Down
- 1. gas absorbed in photosynthesis
- 2. term for the top leaves and branches of the tree
- 5. absorb water and nutrients from the soil
- 6. a large area mainly covered with trees
- 7. a forest played by actor Tom Hanks
- 8. protect the tree from insects and extreme weather
- 9. support the tree and give it strength
- 10. move water up and down the tree
- 13. trees that lose their leaves
