Wood

Question 1

How do you work out specific strength

Answer 1

Strength / Density

Question 2

What are the 3 main functions of wood

Answer 2

Support the crown

Conduct mineral solutions from the roots to the crown

Transport food from the crown and store it until required

Question 3

What are the two different sections of wood

Answer 3

Sapwood

Heartwood

Question 4

What’s the difference between early and late wood

Answer 4

Early wood is softer and more porous

Question 5

From inside to out what are the five layers in wood

Answer 5

Heartwood 
Sapwood 
Cambium 
Inner bank 
Outer bank

Question 6

What are the two main types off wood

Answer 6

Hardwoods

Softwood

Question 7

How can you tell the difference between hard and soft wood

Answer 7

Softwoods are coniferous and have needle shaped leaves (gymnosperms)

Hardwoods have broad leaves (angiosperms)

Question 8

What are the four main types of cell in wood

Answer 8

Parenchyma
Tracheids
Fibres
Vessels (pores)

Question 9

Softwoods don’t have which cells

Answer 9

Fibres and vessels

Question 10

What is the job of parenchyma

Answer 10

Storage

Question 11

What’s the jobs of Tracheids

Answer 11

Support and conduction

Question 12

What is the job of fibre

Answer 12

Support

Question 13

What is the job of vessels

Answer 13

Conduction

Question 14

How does The higher the percentage of thick walled late wood Tracheids affect the timber

Answer 14

Stronger

Question 15

What are the three sections of timber

Answer 15

Transverse
Tangential
Radial