timbers & manufactured board

Question 1

what are the two types of natural timbers?

Answer 1

softwood and hardwood

Question 2

what type of trees do hardwoods come from?

Answer 2

deciduous

Question 3

what type of trees do softwoods come from?

Answer 3

coniferous

Question 4

what is the difference between deciduous and coniferous?

Answer 4

deciduous-drop leaves in a/w
coniferous-has needles/pins that stay all year round

Question 5

what are manufactured boards a combination of?

Answer 5

natural timber and adhesives

Question 6

why are manufactured boards made from waste wood?

Answer 6

cheap, better for environment (reduce waste)

Question 7

what is the difference between hardwoods and softwoods?

Answer 7

hardwoods are denser and less porous, tend to be more expensive

Question 8

are timbers sustainable-why?

Answer 8

yes-they come from trees which are non-finite

Question 9

ash

Answer 9

hardwood
A:pale brown/cream
C:flexible, tough, shock resistant
U:sports equipment, tools

Question 10

beech

Answer 10

hardwood
A:dense/close grain, slightly pink hue
C:tough and durable
U:toys, models, furniture, veneers

Question 11

mahogany

Answer 11

hardwood
A:rich, red colour
C:durable and finishes well
U:high-end furniture, veneers

Question 12

oak

Answer 12

hardwood
A:light brown, interesting grain
C:tough, hard, durable
U:flooring, furniture, veneers

Question 13

balsa

Answer 13

hardwood
A:pale cream/white colour
C:soft & spongy, lightweight and can snap
U:prototyping, modelling

Question 14

pine

Answer 14

softwood
A:pale yellow, attractive grain
C:lightweight, easy to work, has knots
U:construction, cheap furniture

Question 15

spruce

Answer 15

softwood
A:white/cream colour, fine grain
C:easy to work, stiff yet lightweight
U:construction, furniture, instruments

Question 16

larch

Answer 16

softwood
A:pale to reddish brown
C:durable, tough, water resistant
U:furniture, flooring, cladding

Question 17

mdf

Answer 17

manufactured board
medium density fibreboard
A:smooth, made from sawdust and adhesive
C:cheap, easy to work, can be veneered
U:flat packed furniture, toys

Question 18

plywood

Answer 18

manufactured board
A:alternating layers of natural timber
C:strong and stable due to 90° layers
U:furniture, shelving, construction

Question 19

chipboard

Answer 19

A:pale grey/brown, unattractive
C:usually covered with a laminate
U:flooring, worktops, furniture

Question 20

list 3 hardwoods

Answer 20

ash, beech, mahogany, oak, balsa

Question 21

list 3 softwoods

Answer 21

pine, spruce, larch

Question 22

list 3 manufactured boards

Answer 22

mdf, plywood, chipboard