THE HOW IT WORKS: ELECTRICITY GENERATION Teacher’s Guide contains five lessons for teachers of Grade 9 students in Ontario that examine electricity supply and demand on both the macro and micro levels. At the macro level, students will learn about the different sources of electricity which help to supply Ontario’s homes and businesses and also explore the demand side of the equation by looking at the concepts of baseload and peak demand. At the micro level, electrical supply and demand are investigated using hands-on/minds-on strategies as students construct a variety of series and parallel circuits and examine how changes in supply and demand affect the behaviour of electrical devices in those circuits. Students will also have the opportunity to think about their future occupations through an exploration of some of the careers at OPG.

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