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What are ceramics?
Explain how ceramics can be made from clay?
What are the two main types of glass and their properties?
What are composites?
Give four examples of composites?
Why are alloys needed?
Give four examples of alloys used in everyday life?
What is corrosion?
What is the formula for the corrosion of iron (rust)?
Explain how iron and steel erode a lot faster than aluminium?
Describe the experiment used to show what is needed for iron to rust?
Explain how the mass of the iron nail will increase when rust has formed?
Give three examples of coating the iron to prevent rusting?
Explain what a sacrificial method to prevent rusting is?
Give an example of a protection technique that uses both types of methods?
What are natural resources?
What are renewable resources?
What are finite (non-renewable) resources?
Name some social, economic and environmental effects of extracting finite materials?
Name two ways in which we can improve copper's sustainability?
What is a life cycle assessment (LCA)?
What are the four main stages that need to be considered when making a lifestyle assessment?
What are the main problems with LCAs?
What is potable water?
What are the two important things that influence the properties of a polymer?
What do the properties of poly(ethene) depend on?
How does what a polymer is made from affect its properties?
What is a thermosetting polymer?
What is a thermosoftening polymer?
How is potable water produced in places like the UK?
How is potable water produced in places which are very dry?
Explain the practical for testing and distilling water?
What are the three main sources of wastewater?
What are the six stages of sewage treatment?
What is the Haber process?
Why is the Haber reaction well suited to an industrial scale?
Explain what happens to the ammonia produced in the Haber process?
What are the two main ways of increasing the yield of ammonia?
What are the conditions needed for the Haber process?
What are the main components used in the Haber process?
What is the job of NPK fertilisers?
How is ammonia used to make nitrogen-containing compounds?
Where is each of the NPK salts from?
Compare how ammonium nitrate is made in a lab/industry?
What are the three phosphate rock reactions?
How are different materials suited to different jobs?
How is Chemistry improving sustainability?
Explain how recycling metals is important?
Explain how glass can be recycled?
