Chapter 7 Wood: What is it?

Trees release lots of __________ into the atmosphere and they take in (absorb) __________ They release: – oxygen They absorb: – carbon dioxide Fill in the blanks

List 5 benefits of trees − A renewable source of fuel − Woodland walks − A habitat for wildlife − Fruit, nuts, oils and other products − Raw material for paper and cardboard − Wood/timber from which many things are made

Are there different types of forest? − Natural forest, such as tropical rainforest or natural woodland − Managed forests − Coniferous forests

Properties of wood vary depending on the type of wood Main properties are: Strength Durability Workability Colour

− Wood pellets − Bark mulch − Oriented strand board (OSB) − Fencing What are new ways of using wood and waste timber effectively?

− Forest management − Log harvesting − Tree care − Nurseries − Christmas tree farms − Carpentry − Transportation − Fuel production − Arts and crafts List jobs in forest and timber based industries

Planting: Firstly, land is drained to allow rain to drain away freely. Trees are then planted into the drained land. Fences are put up to keep out animals that might cause damage. The Story of a Tree:

Thinning: The trees are thinned when they are about fifteen years old. This gives more space and light to the remaining trees.

Harvesting: Trees are ready for harvesting at thirty to fifty years old. Clear felling takes place. This is when all the trees are cut down in the one area.

Transportation: After felling the trees are transported to the sawmill or processing plant.

Processing: Logs are cut into planks before being dried for use in furniture making or construction.