Wood

Question 1

Timber based materials can be separated into 3 diff categories. Name them

Answer 1

soft wood
hard wood
Man made

Question 2

name 4 natural woods

Answer 2

pine
oak
ash
elm

Question 3

name 3 types of manufactured boards

Answer 3

MDF
plywood
chipboard

Question 4

what does MDF stand for

Answer 4

Medium density fibre board

Question 5

What does PVA stand for

Answer 5

Polyvinyl acetate

Question 6

give 3 points why you’d choose manufactured board instead of natural timber

Answer 6

No knots
natural wood can rot
natural wood shrinks in cold and expands in heat

Question 7

What can happen to natural timber wen its moisture content changes

Answer 7

when there is more moisture in the wood it will expand and or shrink

Question 8

What is a primary source of timber and is it sustainable

Answer 8

Trees and yes it is sustainable

Question 9

What is the name used to describe soft wood trees

Answer 9

coniferous

Question 10

What is the name used to describe hard wood trees

Answer 10

deciduous

Question 11

which type of tree has broad leaves that fall of in autumn

Answer 11

coniferous

Question 12

What type of tree has needles that stay on throughout the year

Answer 12

deciduous

Question 13

How can you tell the age of a tree

Answer 13

by counting the rings
or
looking at the distance between the rings

Question 14

Name 6 wood joints

Answer 14

Mortise and Tenon
half lap joint
dovetail joint
dowel joint
finger joint
housing joint

Question 15

do a cover and name thing with the non-permanent wood joining methods sheet

Question 16

explain how chipboard is made

Answer 16

chipboard is made up of small chips of wood bonded together with resin and compressed to form sheets

Question 17

where is chipboard often used

Answer 17

indoor furniture

Question 18

explain how MDF is made

Answer 18

MDF is made up of very fine wood dust and resin pressed into a board

Question 19

What makes manufactured boards stronger than natural timber

Answer 19

The use of resin and bonding agent
due to no knots they don’t have weak points

Question 20

explain how plywood is made

Answer 20

Plywood is made from veneers of timber with the grain of each layer being at right angles to the layers on either side of it. The layers are bonded together using resin and pressure.

Question 21

Key Word - Timber definition

Answer 21

Wood that has been processed and turned into a form that can be easily used, often planks

Question 22

Key Word - Hard wood definition

Answer 22

Wood that comes from broad-leaved trees such as oak, ash and beech, that lose their leaves in autumn.

Question 23

Key word - Softwood definition

Answer 23

Wood that comes from fast growing evergreen trees with cones and needles

Question 24

Key Word - Manufactured board

Answer 24

A board such as chipboard or hardboard that is made in specific sizes with specific properties. Its made by joining and compressing small pieces of wood often with offcuts and waste from timber processing.

Question 25

Key Word - Veneer definition

Answer 25

A thin layer of substance (often timber) that is applied as a surface coating to something often increases the aesthetic appeal of the underlying object.

Question 26

Key Word - Seasoning definition

Answer 26

The process of drying out timber so that it becomes stronger and wont change shape over time

Question 27

Key Word - Warping definition

Answer 27

The distortion or twisting that can occur in timber often as a result of poor storage or seasoning or natural defect