Timbers - an introduction (KS 3)

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 timber to make the structure change.

• Heating timber until the molecular structure changes.

Which material is made by squashing a mixture of small pieces of softwood and a 2 part resin into a wide, flat board?

• MDF

• plywood

• chipboard

• hardboard

Which material is made by squashing a mixture of tiny fibres of wood and a 2 part resin into a wide, flat board?

• MDF

• plywood

• chipboard

• hardboard

Select the manufactured boards from those shown;

• O.S.B.

• Melamine Formaldehyde

• Cardboard

• Hardboard

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