This document discusses South Africa's national electricity grid and different sources used to generate electricity that feed into the grid. It defines electricity and covers various power generation methods like coal power stations, hydroelectric power, and nuclear power. Coal power stations remain one of the largest sources of electricity in South Africa. The document also includes homework questions to test understanding of topics covered.
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ENERGY AND THE NATIONAL ELECTRICITY GRID COMPLETE.pptx
21. Home-work activity
1. What is electricity? (1 mark)
2. List the different sources of electricity that you learnt about in todays lesson? (3 marks)
3. Nuclear powered power stations generate electricity through two processes, list and define them. (4 marks)
4. Illustrate the process of electricity generation at a coal-powered power station. (14 marks)
5. Of all the sources of electricity that are available, which one do you think is best? (2 marks)
Total: 24 marks