Woods - Hard and Soft Flashcards
Deciduous Trees are
-Oscar Lawson
Leaf losing trees that make hard woods
Coniferous Trees are
-Oscar Lawson
Evergreen trees that make soft woods
The characteristics of Oak Wood
-Oscar Lawson
Strong, tough and durable hard wood.
The characteristics of Beech Wood are…?
-Oscar Lawson
The characteristics of Beech Wood are:
Hard with close grain which works and Finishes well.
Strong however not durable outdoors.
The characteristics of Mahogany are…?
-Oscar Lawson
The characteristics of Mahogany are
Hard and strong but difficult to get a good finish.
Annular rings seen in wood are
-Ivan K
The number of rings indicate how old a tree is, i.e; 100 rings=100 years
Which kinds of trees are Hard Woods?
-Ivan k
Hard woods are deciduous trees. They are Slow growing(100 years to reach maturity)
Which kinds of tree are Soft Woods?
-Ivan K
soft woods are coniferous trees. They reach generally maturity in 30 years
Tree growth depends on
-Ivan K
the kind of tree
Soil conditions
Position of tree( how much light it receives)
Climate
Properties of Teak Wood are..?
-Ivan K
Fire resistant
Aesthetically appealing. Rich golden-brown colour
How many rings does a tree gain every year
Robbie.m
1
Categories of woods are
-Oscar Mabon
Hard:
Come from deciduous trees
Soft:
Come from coniferous trees
Negative properties of Soft Woods include…
-Alex McGinn
More likely to rot than hardwoods, less dense than hardwoods, more pronto damage due to moisture being absorbed in ingrain.
The characteristics of Oak wood are…?
-Oscar Mabon
The characteristics of Oak wood are:
Very strong
Tough
Durable
The characteristics of Beech wood are…?
-Oscar Mabon
The characteristics of Beech wood are
Close grain works and finishes well
Hard and strong
Not durable outdoors
The characteristics of Mahogany wood are…?
-Oscar Mabon
The characteristics of Mahogany wood are:
Hard and strong
Not easy to finish
Expensive indoor work only
The main origin of Oak is
-Oli Shaw
Europe and USA
The main origin of Mahogany is
-Oli Shaw
Central and South America
The main origin of Beech is
-Oli Shaw
Europe
The main origin of ash is
-Oli Shaw
Europe
The main origin of Birch is
-Oli Shaw
Europe
The main origin of Pine is
-Oli Shaw
Northern Europe
The properties of Teak wood are…
-Oscar Mabon
The properties of Teak wood are:
Very durable
Fire resistant
Quickly blunts tools
How many rings does a tree gain every year
Robbie.m
A tree gains one growth ring a year.
Which is generally cheaper? Soft woods or Hard woods?
-Alex McGinn
Soft woods are generally cheap[er because they take less time to mature than hardwoods
Timber: Pine properties are…
-Alex McGinn
Easy to work, Knotty andiron to warping
Timber: Pine properties
Easy to work, Knotty andiron to warping
Timber: Pine uses are…
-Alex McGinn
Constructional wood work (joists, roof trusses).
Floorboards.
Children’s toys.
Hardwoods are generally more ______ and more ______ than softwoods
-Humphrey Marsh
Hardwoods are generally more EXPENSIVE and more DURABLE than softwoods.
Which type of wood contains fibrous materials?
- Humphrey Marsh
Hardwoods
What is the name of centre and darker part of the tree?
-Humphrey Marsh
Heartwood
Where do softwoods most commonly grow?
- Humphrey Marsh
Places in colder climates e.g. Scandinavia and Canada
Which wood is best for model making or light weight construction ?
Robbie.M
Balsa is best for model making or light weight construction because it is very light but strong for its weight.
What are annular rings
-Krystian Shanahan
Rings gained per year of growth
Properties of mahogany wood are
-Krystian shanahan
Hard and strong but expensive
What are two ‘natural’ ways soft woods may be damaged
- Krystian shanahan
Insect attack & rot
Soft woods are generally less strong or hard compared to hard woods, which is because..
- Krystian Shanahan
softwoods are generally less strong or hard than hardwoods because soft woods are less dense
Where are mahogany trees found
- Krystian Shanahan
Central and South America
African Mahogany is older, more sought after, and much more rare.
Oak trees originate from…
Nathan P
Europe, USA
Mahogany Trees originate from…
Nathan P
Central and South America
Beech trees originate from…
Nathan P
Europe
Ash trees originate from…
Nathan P
Europe
Birch trees originate from…
Nathan P
Europe
Pine trees (Scots) originate from…
Nathan P
Northern Europe
Soft woods are, unfortunately, more prone to…
Nathan P
Insect and Bug attack
Rot
What usually gives wood a greater mechanical strength and hardness
Robbie.m
The more dense the wood, generally, the greater mechanical strength and hardness
When do soft woods generally reach maturity ?
Robbie.M
30 years
A use of Oak is …
Kei Y
High quality furniture
garden benches
boat building
veneers
Why is the end grain more prone to damage?
Robbie.m
End grain is more prone to damage because more moisture can be absorbed hygroscopically in and out.
Do hardwoods grow slower than softwoods?
Caspar Tyser
Yes
A use of mahogany is …
Kei Y
indoor furniture
interior woodwork
window frames
veneers
A use of beech is …
Kei Y
workshop benches
children’s toys
interior furniture
Which wood (Hard or soft wood) is usually better for carving?
Caspar Tyser
Hardwoods
Uses of Ash are …
Kei Y
sports equipment
ladders
laminated furniture
tool handles
Which wood (hard or soft) grows slower?
Caspar Tyser
Hardwood
Is bamboo a wood?
Caspar Tyser
No, it is a type of grass.
What is the main difference between hard and soft woods in their micro-structures?
Caspar Tyser
Whether they are fibrous (in hardwoods) or tubular (in softwoods).
What is slower growing? soft woods or hard woods?
-Alfie Turner
hard
which hard wood is used for flooring, functional furniture, tools and toys?
-Alfie Turner
Beech
How long do soft woods take to reach maturity?
-Alfie Turner
approximately 30 years
Rot starts at a particular part of a piece of timber - which part?
Alfie Turner
end grain
What is the most central section through a tree called?
-Lucas M
Heartwood
What are four things tree growth depends on?
-Lucas M
The kind of tree
Soil conditions
Position of the tree- how much light
The climate- hot and wet is faster growing
Is pine a softwood or a hardwood?
-Lucas M
Softwood
Is Mahogany dark or light in appearance?
-Lucas M
Dark
Is oak a hardwood or softwood
-Joe K
Hardwood
What are the uses of walnut wood?
-Casper K
Furniture
Flooring
Interior decoration
Instruments
What types of trees does hard wood come from?
-Yan K
Deciduous
What types of trees does soft wood come from?
-Yan K
Coniferous
Wha† type of wood is Teak?
-Yan K
Hardwood
What is teak wood used for?
-Yan K
Fine Furniture
What are the properties of pine wood?
-Yan K
Knotty and prone to warping
Easy to work
What are the two catagories of wood?
-Ssnehnil G
Hard and Soft
What colour is cherry wood?
reddy-beige
What type of trees does hardwood come from?
angiosperm trees - large leaf, fruit and nut, deciduous (leaf losing) trees
What percentage of lumber is made up of softwoods?
80%
Is balsa a hardwood?
Yes
Are softwoods always softer than hardwoods?
No
Oak, Mahogany, Beech, Ash and Birch are all what?
- Harry DFF
Hardwoods
Why are hardwoods more expensive than soft woods
They take longer to grow
Why are hard woods more durable than soft woods
Slower growing causes denser fibres in the trunk
Soft woods are more prone to damage due to moisture being absorbed where?
The endgrain
