1. Wood and Joining Wood

2. Learning Objectives By the end of this lesson, you should: Be able to clearly define the three classifications of wood Be able to describe how to join wood together Be able to describe how the term ’sustainable’ and how it relates to wood

3. Classifications of Wood Wood comes in three different classifications: Hardwood Softwood Manufactured Board

4. Softwood – Natural Wood Natural material Comes from evergreen trees Tends to give longer lengths than hardwoods Tends to be cheaper than hardwoods

5. Examples Scots Pine Red Ceader Larch

6. Hardwoods – Natural Wood Natural material Comes from deciduous trees Tends to be more expensive than hardwoods Tends to be harder wearing than softwoods

7. Examples Oak Mahogany Teak

8. Manufactured Boards – Man made wood Comes in large boards Manufactured by gluing wood or wood fibres together Produces constant strength and texture Easy to work with ‘Veneers’ can be used to add a more aesthetic finish

9. Example Blockboard Hardboard MDF Plywood

10. Task 1 Complete question 1 on your worksheet in your class book in as much detail as possible 5 Minutes

11. Sustainability Timber is often referred to as a sustainable material. But why????????

12. Sustainability This is when the environment is thought about when designing a product. Transportation costs Material usage Sourcing of material

13. Timber and the Environment Trees can be replanted to replace those cut down for their timber Wood can easily be recycled/reused Manufactured boards can be used to limit the number of trees which are cut down

14. Timber and the Environment Forest Stewardship Council Promote responsible management of the worlds forests

15. Task 2 Complete question 2 on your worksheet in your class book in as much detail as possible 10 Minutes

16. Joining Wood Traditional wood joints Knock-down fittings

17. Traditional Wood Joints Give the product extra structural strength Time consuming Tend to be on more expensive product