Timber Knowledge
What type of material is timber?
A natural material from trees.
What joint is used to make the sides of the finger joint box?
A finger joint
Why should a chopping board not be finished with paint?
Paint is not food safe (could make you ill if you eat it).
Food safe finishes such as special oils must be used to finish products which will come into contact with food
Why should long hair be tied back in the workshop?
To stop it from getting caught in machines.
What hand tool is used to cut wood along a straight line?
A hand saw (we use tenon saws)
Which is generally softer—hardwood or softwood?
Softwood.
Why are finger joints strong?
Because of the large gluing surface.
Why is accuracy important when marking and cutting timber for projects?
Because small mistakes can stop the pieces from fitting together correctly.
What should you always wear over your eyes when using machinery?
Safety glasses.
What tool is used to check right angles when joining pieces?
A square (also called a try square)
What does the grain in timber show?
The direction and pattern of the wood fibres.
What is the main purpose of a biscuit joiner?
To cut slots so that thin wooden “biscuits” can be used to join two pieces of wood.
What is the name of the tool your teacher uses to burn designs into the surface of timber.
Laser
Why should you never distract someone using a machine?
Because it can cause accidents and injuries.
What tool do we use to tighten or loosen screws?
Screwdriver
Why should you sand timber before applying a finish?
To make it smooth and ready for finishing.
What happens to the biscuit when glue is applied?
It swells, locking the joint tightly together.
What is the final step of finishing the footstool project?
Applying a layer of vanish for oil to help protect surface of the timber
What should you check before using a power tool?
That it’s in good condition and you know how to use it safely
A metal ruler is used to ................. while a square is used to ............
A metal ruler is used to measure while a square is used to mark
Why do we use PVA wood glue in joinery?
It creates a strong bond between timber pieces
What are dowels or screws used for in construction?
To join pieces of wood together
What are the two types of wood you can use to make your footstool?
Pine (softwood) and Merbau (hardwood)
Why should you never run in the workshop?
To prevent accidents and injuries
What tool is used to smooth rough edges on wood?
Sandpaper