Natural & Synthetic Materials Flashcards
1
Q
What are materials?
A
Chemicals or mixtures of chemicals. (eg. metals, ceramics and polymers).
2
Q
What do some materials come from?
A
Living things (eg. cotton and paper, silk and wool).
3
Q
What can synthetic materials (produced by chemical synthesis) be made into?
A
Alternatives, starting from materials extracted from the Earth’s crust.
4
Q
Give an example of this.
A
For example, the petrochemical industry refines crude oil to produce fuels, lubricants and raw materials for chemical synthesis.
5
Q
What is crude oil used in?
A
Only a small proportion of crude oil is used in chemical synthesis. The majority is used for fuels.
