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Curated OER
Impedance Matching with Transformers
In this electrical circuit worksheet, students answer a series of 19 questions by analyzing schematics dealing with the transformers. Students will determine the amount of impedance to various scenarios.
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Completing the Circuit
Students use a battery, wires, small light bulb and a light bulb holder to learn the difference between an open circuit and a closed circuit, and understand that electric current only occurs in a closed circuit. They describe the...
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AC metrology
In this worksheet, students are asked 11 questions about AC currents and transformers and volt meters. Students can check answers online.
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Wind Power! 2
Fourth graders explore how engineers transform wind energy into electrical energy by building their own miniature wind turbines and measuring the electrical current it produces. They see how design and position affect the electrical...
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Reflections
In this reflections activity, 10th graders solve and complete 34 different problems that include determining various reflections. First, they trace the figure and draw its reflection in each line. Then, 10th graders use the diagram shown...
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Middle School Home Energy Audit
Seventh graders research the origins of local electrical power and compare costs and methods of generation with other areas of the country or world.
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Converting Fuels to Obtain Energy
Learners experiment with converting fuels to energy. They also must identify different types of fuels and ways to conserve energy.
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How Do Car Engines Work?
Students perform an experiment which simulates what happens inside an internal combustion engine. They explain how the chemical reaction they witnessed is similar to what happens inside the car engine.