What are the 6 main ways properties are measured?

What do strength and stiffness of a material depend on and what are they measured in?

What are the main properties of metals, ceramics and polymers?

Define synthetic materials

Give two examples of synthetic materials replacing natural materials

Define crude oil

What are alkanes and what is their general formula? (also the mnemonic)

What is the general formula of alkenes and show a useful reaction with water.

What is formed when hydrocarbons combust?

What is fractional distillation?

What are the products formed at each fraction?

What is a polymer and by which process are they made? Give an example.

How can we change the properties of a polymer? Give an example.

What is PET?

What impact does the proximity of polymer molecules have?

What does having branches make a polymer weaker?

Give two ways (other than removing branches) you can increase strength between molecules

How does having longer molecules impact upon a polymer? Give an example of polymer with long molecules.

What is a plasticiser?

What is cross linking and how does this link to thermoplastics?

How can a polymer be turned into a fibre?

Define 'nanotechnology'

Which nano-particles can be used as a catalyst?

How else could gold nano-particles be used?

How can silver nano-particles be used?

What are titanium oxide nano-particles used for?

Why would we mix nano-particles with other materials?

What are carbon nanotubes?

Give two specific and one general concern about nanoparticles