What’s a watt? activity tips
The What’s a Watt? activity helps students explore the concepts of amps, volts, and watts and how they relate to some common, everyday appliances. Getting It Across Discuss with students the definitions of amps, volts, watts, and megawatts. Amps: The measure of the amount of electricity used. Volts: The measure of the pressure or force of electricity. Watts: Amps multiplied by the volts gives you the watts. This is the measure of the work that electricity does per second. Megawatts: One million watts. This activity asks students to use the formula amps x volts = watts to figure out how many watts these typical appliances use. Most homes are served by 120volt electricity, so students are asked to use that as the value for volts in their equations. Extension

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