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Energy Efficiency: From Theory to Electricity Generation
Lesson2 of 11 in this unit
SecondaryYear 9SciencePhysicsEnvironmentalClimate ChangeEnergySustainabilityEconomicIndustry, Innovation and InfrastructureJob Ready
Lesson Summary
Students learn about the concept of energy efficiency and how this can be calculated and represented scientifically. They explore the efficiency of thermal power plants and the difference between useful and wasted energy in real-life situations, as well as renewable sources. Students also consider the other factors that influence the overall suitability of various energy sources.
Learning intentions
Students will:
- understand the concept of energy efficiency and how this can be calculated and represented using Sankey diagrams, as well as explore the energy efficiency of various forms of electricity generation in society.
Success criteria
Students can:
- define energy efficiency and represent it using a Sankey diagram.
- describe the energy efficiency of a thermal power plant and recognise where and how energy is lost.
- compare and contrast electricity generation from fossil fuels and renewables in terms of their efficiency and other environmental impacts.
Lesson Guides and Printables
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