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Renewable

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  • 1. Lesson title: Renewable energy Class: 10Phy Date: 3rd Nov Period: 2 No. Pupils: 30 Boys: 14 Girls:16 Lesson Objectives (WALT):  Will know how we can generate energy from wind, water, solar and geothermal  Will know the advantages and disadvantages of both. Time Activity Content / Notes (key points, questions to ask, assessment of learning, safety) Before Have all the equipment where needed. entry 9.47 Starter 10 Meaning of renewable & non-renewable. Then Demo wind turbine using fan, lamp & mins vacuum cleaner, with hydroelectric is the same only the water moves the turbine instead of the wind. 9.57 Main Questions from 40-43 (10 mins) activity 1 The sun delivers enough energy in 1 hour to supply our energy needs for 1 30 mins year…so why isn’t it used? When is it used? The methods we use for solar energy as very very inefficient at present. Geothermal is another method when the heat from the radioactive decay deep down in the earth is used to heat water into steam. 44-45 9.27 Plenary Use the animation to discuss issues and efficiency 10 mins Extra work Risk Assessment Homework Vocabulary (key words) Links with previous lessons Builds on the ideas discuss last lesson when looking at generating electricity as mentions all that changes is how you turn the turbine. Specification Links Energy from renewable sources can be used to drive turbines directly. Renewable sources used in this way include wind, the rise & fall of water due to waves & tides, and the falling of water in hydroelectric schemes. 4Electricity can be produced directly from the sun’s radiation using solar cells. In some volcanic areas hot water and steam rise to the surface. The steam can be tapped and used to drive turbines. This is known as geothermal energy. Equipment Vacuum cleaner, Small fan unit, 1.25V lamp, NEP 20 Hydro electric power, P1a 4.2 Alternative power production

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