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Woods - Hard and Soft Flashcards

(82 cards)

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1
Q

Deciduous Trees are

-Oscar Lawson

A

Leaf losing trees that make hard woods

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2
Q

Coniferous Trees are

-Oscar Lawson

A

Evergreen trees that make soft woods

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3
Q

The characteristics of Oak Wood

-Oscar Lawson

A

Strong, tough and durable hard wood.

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4
Q

The characteristics of Beech Wood are…?

-Oscar Lawson

A

The characteristics of Beech Wood are:
Hard with close grain which works and Finishes well.
Strong however not durable outdoors.

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5
Q

The characteristics of Mahogany are…?

-Oscar Lawson

A

The characteristics of Mahogany are

Hard and strong but difficult to get a good finish.

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6
Q

Annular rings seen in wood are

-Ivan K

A

The number of rings indicate how old a tree is, i.e; 100 rings=100 years

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7
Q

Which kinds of trees are Hard Woods?

-Ivan k

A

Hard woods are deciduous trees. They are Slow growing(100 years to reach maturity)

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8
Q

Which kinds of tree are Soft Woods?

-Ivan K

A

soft woods are coniferous trees. They reach generally maturity in 30 years

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9
Q

Tree growth depends on

-Ivan K

A

the kind of tree
Soil conditions
Position of tree( how much light it receives)
Climate

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10
Q

Properties of Teak Wood are..?

-Ivan K

A

Fire resistant

Aesthetically appealing. Rich golden-brown colour

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11
Q

How many rings does a tree gain every year

Robbie.m

A

1

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12
Q

Categories of woods are

-Oscar Mabon

A

Hard:
Come from deciduous trees

Soft:
Come from coniferous trees

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13
Q

Negative properties of Soft Woods include…

-Alex McGinn

A

More likely to rot than hardwoods, less dense than hardwoods, more pronto damage due to moisture being absorbed in ingrain.

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14
Q

The characteristics of Oak wood are…?

-Oscar Mabon

A

The characteristics of Oak wood are:
Very strong
Tough
Durable

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15
Q

The characteristics of Beech wood are…?

-Oscar Mabon

A

The characteristics of Beech wood are
Close grain works and finishes well
Hard and strong
Not durable outdoors

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16
Q

The characteristics of Mahogany wood are…?

-Oscar Mabon

A

The characteristics of Mahogany wood are:
Hard and strong
Not easy to finish
Expensive indoor work only

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17
Q

The main origin of Oak is

-Oli Shaw

A

Europe and USA

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18
Q

The main origin of Mahogany is

-Oli Shaw

A

Central and South America

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19
Q

The main origin of Beech is

-Oli Shaw

A

Europe

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20
Q

The main origin of ash is

-Oli Shaw

A

Europe

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21
Q

The main origin of Birch is

-Oli Shaw

A

Europe

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22
Q

The main origin of Pine is

-Oli Shaw

A

Northern Europe

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23
Q

The properties of Teak wood are…

-Oscar Mabon

A

The properties of Teak wood are:
Very durable
Fire resistant
Quickly blunts tools

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24
Q

How many rings does a tree gain every year

Robbie.m

A

A tree gains one growth ring a year.

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25
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
26
Timber: Pine properties are... -Alex McGinn
Easy to work, Knotty andiron to warping
27
Timber: Pine properties
Easy to work, Knotty andiron to warping
28
Timber: Pine uses are... -Alex McGinn
Constructional wood work (joists, roof trusses). Floorboards. Children's toys.
29
Hardwoods are generally more ______ and more ______ than softwoods -Humphrey Marsh
Hardwoods are generally more EXPENSIVE and more DURABLE than softwoods.
30
Which type of wood contains fibrous materials? - Humphrey Marsh
Hardwoods
31
What is the name of centre and darker part of the tree? -Humphrey Marsh
Heartwood
32
Where do softwoods most commonly grow? - Humphrey Marsh
Places in colder climates e.g. Scandinavia and Canada
33
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.
34
What are annular rings | -Krystian Shanahan
Rings gained per year of growth
35
Properties of mahogany wood are | -Krystian shanahan
Hard and strong but expensive
36
What are two 'natural' ways soft woods may be damaged | - Krystian shanahan
Insect attack & rot
37
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
38
Where are mahogany trees found | - Krystian Shanahan
Central and South America | African Mahogany is older, more sought after, and much more rare.
39
Oak trees originate from... Nathan P
Europe, USA
40
Mahogany Trees originate from... Nathan P
Central and South America
41
Beech trees originate from... Nathan P
Europe
42
Ash trees originate from... Nathan P
Europe
43
Birch trees originate from... Nathan P
Europe
44
Pine trees (Scots) originate from... Nathan P
Northern Europe
45
Soft woods are, unfortunately, more prone to... Nathan P
Insect and Bug attack | Rot
46
What usually gives wood a greater mechanical strength and hardness Robbie.m
The more dense the wood, generally, the greater mechanical strength and hardness
47
When do soft woods generally reach maturity ? Robbie.M
30 years
48
A use of Oak is ... Kei Y
High quality furniture garden benches boat building veneers
49
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.
50
Do hardwoods grow slower than softwoods? Caspar Tyser
Yes
51
A use of mahogany is ... Kei Y
indoor furniture interior woodwork window frames veneers
52
A use of beech is ... Kei Y
workshop benches children's toys interior furniture
53
Which wood (Hard or soft wood) is usually better for carving? Caspar Tyser
Hardwoods
54
Uses of Ash are ... Kei Y
sports equipment ladders laminated furniture tool handles
55
Which wood (hard or soft) grows slower? Caspar Tyser
Hardwood
56
Is bamboo a wood? Caspar Tyser
No, it is a type of grass.
57
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).
58
What is slower growing? soft woods or hard woods? -Alfie Turner
hard
59
which hard wood is used for flooring, functional furniture, tools and toys? -Alfie Turner
Beech
60
How long do soft woods take to reach maturity? -Alfie Turner
approximately 30 years
61
Rot starts at a particular part of a piece of timber - which part? Alfie Turner
end grain
62
What is the most central section through a tree called? -Lucas M
Heartwood
63
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
64
Is pine a softwood or a hardwood? -Lucas M
Softwood
65
Is Mahogany dark or light in appearance? -Lucas M
Dark
66
Is oak a hardwood or softwood -Joe K
Hardwood
67
What are the uses of walnut wood? -Casper K
Furniture Flooring Interior decoration Instruments
68
What types of trees does hard wood come from? -Yan K
Deciduous
69
What types of trees does soft wood come from? -Yan K
Coniferous
70
Wha† type of wood is Teak? -Yan K
Hardwood
71
What is teak wood used for? -Yan K
Fine Furniture
72
What are the properties of pine wood? -Yan K
Knotty and prone to warping | Easy to work
73
What are the two catagories of wood? -Ssnehnil G
Hard and Soft
74
What colour is cherry wood?
reddy-beige
75
What type of trees does hardwood come from?
angiosperm trees - large leaf, fruit and nut, deciduous (leaf losing) trees
76
What percentage of lumber is made up of softwoods?
80%
77
Is balsa a hardwood?
Yes
78
Are softwoods always softer than hardwoods?
No
79
Oak, Mahogany, Beech, Ash and Birch are all what? - Harry DFF
Hardwoods
80
Why are hardwoods more expensive than soft woods
They take longer to grow
81
Why are hard woods more durable than soft woods
Slower growing causes denser fibres in the trunk
82
Soft woods are more prone to damage due to moisture being absorbed where?
The endgrain

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