Task A (model or poster) (Time Guide: 60mins)
Make a 3-D model or 3-D poster, both fully labelled, to show how a thermal power station generates electricity. See Thermal Energy Power Station for ideas for your model or poster.
Task B (Time Guide :- 10 mins)
Use the transformer working model to draw diagrams to show
a. A step-up transformer and
b. A step down transformer.
Task C (Time Guide : 20 mins)
Use Power distribution - an interactive diagram to help you draw a flow chart to show how the generated electricity is distributed:-
a. to houses and schools
b. to light industry and hospitals
c. to heavy industry (such as steel works)
giving the voltage at the different stages.
Discuss why most countries distribute electricity at 240v ac 50Hz but the USA uses 110v ac 60Hz.
Task D (Time Guide :- 40 mins max)
Make a WORD document.
a. Research what is meant by a ‘green tariff’ for buying electricity. 'Consumer Focus' (scroll to the bottom of the page for most of the information!)
b. From which alternative energy sources do these companies get their electricity? 'green energy'
c. What energy source ‘transducers’ can you install in your home? (example wind turbine)
d. Find out how much they cost – use ‘Wickes’ or ‘B & Q’ or similar online catalogues.
e. Make a recommendation to your parents on what would be a cost effective way of using an alternative energy supply for your home.
