Across
- 3. Trees give us this to help keep us cool.
- 4. Trees produce this for us to use as a fuel.
- 6. Gas trees produce that humans use.
- 7. Trees produce this after they flower. (apples)
- 8. Process plants use to make food.
- 9. Winged animals that live in trees.
- 10. dioxide Gas humans breath out.
Down
- 1. Part of the tree that produces food. (color change)
- 2. Tree roots hold this in place.
- 3. Trees produce these to make new trees.
- 4. Trees and people drink this every day.
- 5. Product trees give us to build with.
- 11. Outer layer that protects the tree.