Woods Flashcards
Hardwoods are produced from ______ leaved trees
Broad
Are hardwoods found what type of climate (don’t overcomplicate it)
Warm
How long does it take for a hardwood tree to mature?
About 100 years ago
Hardwood is usually:
Tough and strong Or Easy to work with and light weight
Tough and strong
which wood has a close grain?
hardwoods
Why are hardwoods an environmental issue?
They are slow growing so often take a long time to replace, meaning we cut down at a faster rate than growing back
Three advantages of oak
•strong hard and tough
•works well
•Durable
4 disadvantages of oak
•expensive
•heavy
•prone to splitting
•can be physically hard
Oak is used in…
furniture
Is oak hardwood or softwood?
Hardwood
Name 5 hardwoods
Balsa, Julatong,Beech, Mahogany, Oak
Is mahogany hardwood or softwood?
Hardwood
Name three advantages of Mahogany
•easy to work
•durable
•finishes well
Name three disadvantages of Mahogany
•the grain can be variable
•prone to warping
•physical hardness varies
3 applications of Mahogany
•furniture
•veneers
•floorboards
Is Beech a hardwood or softwood?
Hardwood
Three advantages of Beech
•physically hard
•tough
•polishes well
Disadvantages of Beech
•prone to warping
•not suitable for outdoors
•can be difficult to work with
3 applications of beech
•workshop benches
•school desks
•furniture
Is Juletong a hardwood or softwood?
Hardwood
Where is Juletong from?
Indonesia
Properties of Juletong (3)
-low density
- straight grain
- fine texture
Is Balsa wood a hardwood or softwood?
Hardwood
Where is Balsa wood from?
South America
What are three properties of Balsa wood
- extremely buoyant
- very soft and light
- low density but high strength
Softwoods are produced from connifers with ______-like leaves
Needle
How long do softwoods take to mature?
About 30 years
Softwood is a _______ resource making it both cheaper and more environmentally friendly
Managed
Common properties of softwoods:
Easier to work with and lightweight so better for modelling applications
Name four softwood types
Redwood, Larch, Cedar and pine
Is pine softwood or hardwood?
Softwood
Is cedar hardwood or softwood?
Softwood
What type of wood is larch?
Softwood
What type of wood is Redwood?
Softwood
What’s one disadvantage of Pinewood?
It has lots of knots
Two advantages of pine
- straight grain
- Easy to work
Uses of pine woods (4)
•construction
• Roof joists
• Floorboards
• Furniture
Advantages of cedar wood (4)
Light weight
Knot free
Soft, straight grain
Natural oils make it durable against weather
Disadvantages of cedar wood
Weak
Expensive
Uses of cedar
Outdoor stuff
Cladding of external buildings
Wall panelling
Advantages of larch
Saws, machines and finishes fairly well
Fine grain (looks good)
Disadvantages of Larch
Weak
Expensive
Uses of larch
Heavy, structural work
Furniture
Disadvantages of larch
Knots
Resinous with sticky timber
Is redwood hardwood or softwood
Softwood
Advantages of redwood
Easy to work with
Durable
Straight grain
Stable ( doesn’t crack check or warp)
Disadvantages of redwood
Coarse texture
Low natural lustre (not shiny)
Uses of redwood
Veneer
Posts, decking
Musical instruments
What does the fine grain of a wood mean?
It has small pores that don’t vary much in size
Which way would a plank of wood cup?
Same way as the rings