Chapter 2-A (General)

Question 1

What is the difference between a physical and mechanical property?

Answer 1

Physical relates to the structure of the material
Mechanical is how it reacts to external forces

Question 2

What are the 9 different types of material?

Answer 2

Pure metals
Fibres
Hardwoods
Softwoods
Plastics
Pure synthetics
Alloys
Composites
Regenerated

Question 3

What is the definition of a natural material?

Answer 3

Derived from plants, animals or the ground
Can be organic or inorganic

Question 4

What is the definition of a composite material?

Answer 4

Two or more materials bonded or combined to improve the properties of the original materials

Question 5

What are the two parts of a traditional composite?

Answer 5

A strengthening material and a bonding matrix (glue or resin)

Question 6

What is the definition of a synthetic material?

Answer 6

Materials which have been created by man
Made through a scientific process

Question 7

What is the definition of a regenerated material?

Answer 7

Materials which are reused or processed into a different type of material