PowerPoint that covers power and the cost of electricity for a KS3 level class.
The starter revisits efficiency and energy stores from previous lessons to enhance memory recall.
The power equation (power = energy transferred / time) is covered with an example of how to show working out. Slides include rearranging the equation and unit conversions.
The cost equation (cost = power x time x cost per kWh) is also covered.
Answers are included.
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£2.00