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WorksheetsTimbers - an introduction (KS 3)
Total questions: 30
Worksheet time: 11mins
The tree shown is described as;
Deciduous
Carniverous
Coniferous
Decimalous
The tree shown is described as;
Decimalous
Carniverous
Coniferous
Deciduous
Tick the characteristics
Needle-like leaves
Broad leaves
Fast growing
Evergreen
Slow growing
Tick the characteristics;
Evergreen
Slow growing
Bears cones
Bears fruits or nuts
open grained
Manufactured boards are made by...
Adding chemicals to timber to change its properties.
Cutting up timber and sticking it back together again in different ways.
Compressing planks to make theeir inernal structure change.
Heating timber until the molecular structure changes.
Which material is made by squashing a mixture of chips pieces of softwood and resin into a wide, flat board?
MDF
plywood
chipboard
hardboard
Which material is made by squashing a mixture of tiny fibres of wood and resin into a wide, flat board?
MDF
plywood
chipboard
hardboard
Select the manufactured boards from those shown;
O.S.B.
Oak
Cardboard
Plywood
What is this material?
Blockboard
Plywood
M.D.F.
Veneer board
What does MDF stand for?
Medium Density Fibreboard
Maximum Density Fibreboard
Melamine Density Fibreboard
Muitiple Density Fibreboard
Plywood is made by;
Gluing thin layers of wood in the same direction to the layer below.
Gluing strands of wood at various angles to each other.
Gluing thin layers of wood at 90 degrees to the layer below.
Gluing blocks of wood side by side
A veneer is ...
a coating that is applied to softwoods to change their colour to make them look like a hardwood.
a thin layer of wood-effect plastic stuck onto the top surface of a cheaper material.
a coating that is painted onto woods to make them look shinier.
a thin layer of real wood stuck onto the top surface of a cheaper material.
Laminating is the process of;
gluing chips of material together
gluing layers of material together
gluing blocks of wood together
gluing fibres of material together
Best describes the properties of softwoods
open grain, can contain resinous knots, yellowy/cream coloured
closed grain, can contain resinous knots, yellowy/cream coloured
open grain, can contain resinous knots,red/brown colour
open grain, hard and tough, yellowy/cream coloured
Which manufactured board is made by sticking together thin layers of hardwood?
MDF
plywood
chipboard
hardboard
Natural timbers...
Have a unique, attractive internal structure
Are available in wide sheets
Are prone to warping during seasoning
Have very consistent thicknesses
Retain their strength in damp conditions
Manufactured boards...
Have a unique, attractive internal structure
Are available in wide sheets
Are prone to warping during seasoning
Have very consistent thicknesses
Retain their strength in damp conditions
Harwood timber...
is relatively cheap.
is available in a wide range of colours.
is relatively easy to cut and shape
will blunt tools relatively quickly
Softwood timber...
is relatively cheap.
is available in a wide range of colours.
is relatively easy to cut and shape
will blunt tools relatively quickly
Wood stain is designed to...
Make the surface of the timber smooth and shiny.
Protect the timber from the effects of weathering.
Make the surface of the timber smooth and matt.
Change the colour of softwood to make it look like a hardwood.
Bee's wax is designed to...
Make the surface of the timber smooth and shiny.
Protect the timber from the effects of weathering.
Make the surface of the timber smooth and matt.
Change the colour of softwood to make it look like a hardwood.
Varnish is designed to...
Make the surface of the timber smooth and shiny.
Protect the timber from the effects of weathering.
Make the surface of the timber smooth and matt.
Change the colour of softwood to make it look like a hardwood.
Tanalising is designed to...
Make the surface of the timber smooth and shiny.
Protect the timber from the effects of weathering.
Make the surface of the timber smooth and matt.
Change the colour of softwood to make it look like a hardwood.
The internal structure (grain) of natural timbers...
Is aesthetically pleasing.
Means that the material's strength is the same throughout
Can cause issues when cutting and shaping.
Is determined by the rate of growth of the tree.
Can be controlled easily to create specific qualities
The internal structure of manufactured boards...
Is aesthetically pleasing.
Means that the material's strength is the same throughout
Can cause issues when cutting and shaping.
Is determined by the rate of growth of the tree.
Can be controlled easily to create specific qualities
The order in which timber is processed;
Felling, debarking, seasoning, conversion, planing
Felling, debarking, conversion, seasoning, planing
Felling, debarking, conversion, planing, seasoning
Debarking, felling, conversion, seasoning, planing
Stock forms of timber;
Mouldings
Shavings
Dowel
Rods
Battening
PVA glue...
Works by seeping into absorbent materials.
Is suitable for internal and external products.
Contains chemicals that can be harmful to the skin.
Creates a strong, permanent bond.
Surface finishes are applied to materials...
To make them cheaper to produce.
To improve a materials aesthetics.
To improve a materials functionality.
To improve the material's ability to be recycled.
Timbers are considered environmentally friendly because...
They are a sustainable resource.
They can be recycled.
They are biodegradable.
They are lightweight.
They have a relatively long life-span.
