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WorksheetsTypes of wood
Total questions: 15
Worksheet time: 8mins
WHAT IS WOOD
Wood is obtained from trunks and branches of trees
Wood is not a natural resource
Wood is expected to be free to all
Wood does not float
Pick the major TYPES OF WOOD (more than one)
Hard Wood
Rubberwood
Soft Wood
Dense Wood
Pine Wood
True or False Rubberwood is not vulnerable to warp and rot and does not needs to be treated with preservatives and laminated to improve its durability.
True
False
Plywood is..
Natural formed and harvested as one piece
made by gluing together thin layers of wood veneer
not flammable
made by steam and pressure fusing together thin layers of wood veneer.
A solid wood workpiece generally has grains which are patterns resulting from
past weather patterns
seasonal moisture
the natural arrangement of wood fibers
growing position towards the sun
True or False when you cut or plane a workpiece, make sure that you do it along the grain.
True
False
The patterns on wood also include knots.These indicate the starting point of a branch or a dormant bud. Knots are imperfections in wood and often Strengthen or Weaken the workpiece.
Strengthen
Weaken
no affect
The choice of wood depends on the...
customer
what is available
project
money in your wallet
__________ is renowned for its aesthetic value, workability as well as resistance to decay
Pine
rubberwood
teak
dense
Woods can be classified in two broad categories, ___________ _______. (pick 2)
soft
dence
heavy
hard
lite
This type of wood expands with moisture and contracts during dry months.
Solid
Soft
entangled
strong
This is a universal scale that classifies the Hardness of wood
Janga
JayJay
Janka
Juniper
which wood id higher on the Janka scale
Pine
Brazilian Walnut
Which wood is harder
Brazilian Cherry
American Cherry
What is used to test wood in the Janka scale
A marble at 45 degrees
a 10P Nail
and 1/2' screw
a 44 caliber steel ball
