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Generating Electricity
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Learning Goals To be able to explain different types of energy
To be able to explain how energy is generated To be able to use measurements of energy
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Electrical Energy Type of energy that comes from the flow of charged particles Energy of moving charged particles
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Energy Transformations
There are many ways to change energy from one form to another
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Generating Electrical Energy
Most of the electrical energy comes to us through the electrical energy distribution grid (or known as the power grid)
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Generators A machine that converts mechanical energy into electrical energy Consists of a magnet and a wire coil When the wire coil rotates near the magnetic poles, the negatively charged particles in the wire are forced to move electrical energy is generated
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Measuring Electrical Energy
Electrical energy is measured in Joules (J) Energy is sometimes measured in kilowatt hours (kWh) Power is a measure of how quickly energy is produced or used, measured in Watts (W)
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Success Criteria I CAN describe different ways energy is generated
I CAN use proper measurements of energy
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