Natural and manufactured

Question 1

Define soft wood

Answer 1

these are evergreen trees called conifers

Question 2

Define hard wood

Answer 2

these come from decidous trees that loose their leaves in winter

Question 3

state the advantages and disadvantages of oak

Answer 3

1. strong and durable
2. has attractive grain that finishes well.
   however
   1.expensive
3. becoming rarer
4. harder to work with than some woods
5. corrodes iron and steel. constructions like boats and houses

Question 4

State the advantages and disadvantages of mahogany

Answer 4

1. has very attractive finish
2. quite easy to work
   however
3. expensive
4. oils and trigger allergies
5. hard to source. uses window and jewellery boxes

Question 5

State the advantages and disadvantages of beech

Answer 5

1. tough wood
   2.hard
2. does not crack or splinter easily.
   however-
3. not very moisture resistant
4. expensive
   3.not suitable for exterior use
   uses- toys, laminated furniture

Question 6

state the advantages and disadvantages of balsa

Answer 6

1. easy to cut
2. very lightweight
   however
3. weak for product use
4. much too soft
   uses-surf board cores, model making

Question 7

state the advantages and disadvantages of pine

Answer 7

1. very durable
   2.easy to use
2. quite cheap as it grow quickly
3. reasonably strong and lightweight.
   however-
4. can warp
5. can crack
6. can splinter more than other wood
   uses-house constructions and furniture as well doors and interior wood work

Question 8

State the advantages and disadvantaged of cedar

Answer 8

1. easy to use
2. natural oils makes it resistant to fungal growth and water resistant.
   however-
3. not as strong
   2.expensive
   uses-boats, furniture

Question 9

define manufactured timbers

Answer 9

these are made by compressing and bonding sheets of wood

Question 10

State the advantages and disadvantages of plywood.

Answer 10

these are made from sliced tree trunks called veneers
1. resistant to warping, twisting
2.surface looks like wood.
3. flat and structurally strong
however-
1.expensive
2.susceptible to water damage
3. edges can look rather rough
uses-building and furniture panels

Question 11

state the advantages and disadvantages of medium dense fibrebaord

Answer 11

1. cheap
   2.easy to machine
   3.smooth ungrained surface is good for staining or painting
   however-
2. weak as compared to plywood
3. tools blunt quickly due to glue
   3.does not look good so needs coating
   uses-wall panels and cheap furniture