Plants Worksheets

Plants Worksheets
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Name _____________________________

Date ___________________

Trees and Importance of Trees
Complete the puzzle.



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EROSION	COMPOSTING	PERENNIALS	MILLION
FURNITURE	THOUSAND	TALLEST	CHARCOAL
FRUITS	SOIL	LUMBER	ENERGY
NUTS	TREE	PAPER	SAP
WIND	OXYGEN	SHADE

down 1. The leaves of trees absorb carbon dioxide and release this gas.	down 2. The beautiful wood from cherry and red oak trees is often used to make these.	down 4. Some trees have ____ in their tree trunks, which are used for making products. The maple tree is one tree type that has this and is used to make maple syrup.	down 7. Trees provide protection against ____, which is the gradual wearing away of topsoil due to wind, water, and storms.
down 9. The term given to trees because they live for three or more years. Some trees have lived for thousands of years!	down 10. Some trees produce ____, such as apples and peaches.	down 11. Trees are the ____ types of plants.	down 14. The branches of trees provide protection from this.
across 3. The protection from sun that trees can provide.	across 5. Wood that is burnt and then used for cooking food.	across 6. The wood from trees. Used as ____ in the building of homes.	across 8. The recycling of leaves. The dead leaves are used to fertilize the soil.
across 12. Writing material that is made from trees.	across 13. A plant with leaves, roots, and a single, woody trunk.	across 15. The first trees grew over 350 ____ years ago.	across 16. Wood is sometimes used as a source of ____ to heat homes.
across 17. Some trees produce edible ____, such as hickory ____.	across 18. Some of the oldest known living trees are thought to be at least 10 ____ years old.	across 19. The roots of trees protect against erosion by holding the ____ in place.

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