Lesson objectives Be able to explain the difference
Lesson objectives • Be able to explain the difference between hard wood and softwood. • Discuss the characteristic of a hardwood. • Use new knowledge to complete a quiz.
Key words; Fibrous, hard, trees, shrubs What is wood? Wood is a hard fibrous material that comes from trees and shrubs.
There are 3 Types of wood Softwood Hardwood Man made board
Soft woods
Softwood comes from evergreen trees PINE Evergreen trees have very thin needle like leaves that stay on the tree during Winter.
Some softwood shrubs do have wider leaves, but the are hard and waxy. Holly Laurel
Softwood trees grow quickly so their growth rings are wider, which makes the grain wider. Wider wood grain
Hardwoods
Key word; Deciduous Hardwood comes from deciduous trees BEECH
Hard wood grows slower so the growth rings are smaller, which makes the grain closer Closer wood grain
Man made woods
Man made wood is made in factories. We use wood leftovers like sawdust and chippings to make boards What products can you think of that are made from man made woods?
We can prevent wood from rotting away by protecting it. We could use such things as varnish and wax.
Because Hardwood grows slower, it is more expensive. It is more water resistant and used to build boats and quality furniture
Soft wood is cheaper than hardwood and used to make cheaper furniture and less quality items
Man made woods are the cheapest. They are made from wood scraps such as chippings and sawdust. They make kitchen cupboards and the cheapest furniture
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