Font size
WorksheetsTimber
Total questions: 18
Worksheet time: 13mins
Natural timber is classified into two main categories:
Softwood
Leanwood
Biowood
Hardwood
The world’s forests can be divided into:
Climate
Lush
Temperate
Tropical
What is natural Timber?
A song
Timber that is used directly from the tree after being seasoned
Manufactured wood
Wood that falls down
Which options apply to Kiln Seasoning?
Insects are killed during this process
Require little stacking space
No expensive equipment needed
Expensive
What is seasoning?
The process of cleaning timber
The process of adding fragrance to timber
The process of adding spices to timber
The process of drying out the water from timber
Which options apply to air seasoning?
Small labour cost once stack is made
Uses a lot of energy
Environmentally friendly - uses little energy
Large area of space required for a lot of
wood
Which options are part of the process of refining timber?
Trees are cut down
Taken to a sawmill and it is converted for seasoning
The timber dries out
It is cut into smaller sections
Properties of Hardwood?
Appealing aesthetics and therefore desirable
Generally used for high quality furniture
Cheap
Greater density therefore greater mechanical strength than soft woods
Properties of Softwood
Can be harder than hard woods
Pine changes colour when exposed to light
Prone to decaying, warping, splitting etc.
Very expensive
Examples of Hardwoods?
Beech
Teak
Spruce
European Redwood
Examples of Softwoods?
Scots Pine
Spruce
European Redwood
Oak
What are Man-Made Timbers?
Composite products that use wood lengths, fibres and veneers along with an adhesive binder and combined under heat and pressure to produce a product
The wood cut from the tree into planks of different sizes and cross-sections
Compressed wood
Wood used by humans
Characteristics of Man-Made Timbers:
High tensile strength
Resistance to damp environments
Aesthetic properties
Flimsy
Examples of Man-Made Timber
MDF
Chipboard
Plywood
Byrewood
Advantages of Man-Made Timbers
Good dimensional stability (Less warping than natural timber)
Can be decorated with veeners or paint
Sheets of plywood and MDF are flexible and easy to bend for laminating
Waste from wood production can be used to make MDF/Chipboard
Disadvantages of Man-Made Timbers
Cutting tools required for manufacture easily blunted
Expensive
Thin sheets do not stay flat unless supported
Edges must be treated and covered (concealing edges) to prevent water damage
Definition of Reforestation
The process of destroying tree cover areas including the other plants and animals in the habitat.
The process of restoring tree cover to areas where woodlands or forest once existed.
The process of introducing animals to a new habitat.
The process of restoring old homes.
Which options apply to wood recycling?
Recycling timber is the environmentally friendliest form of timber production.
The process of turning waste timber into usable products.
Timber recycling allows for a more polished look when using the final processed wood.
Timber can be chipped down into wood chips which can be used to power homes or power plants.
