What are the materials we use made of?

What examples of there of materials being obtained from living things?

What are synthetic materials?

What does crude oil mainly consist of?

What are hydrocarbons?

How does the petrochemical industry refine crude oil?

How does fractional distillation work?

What is polymerisation?

How do plasticisers modify the properties of a polymer?

Why?

How does cross-linking modify the properties of a polymer?

Why?

How does an increased chain length modify the properties of a polymer?

How does increased crystallinity modify the properties of a polymer?

What examples are there of nanoparticles modifying the properties of materials?