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Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Generator

For Students 9th - 10th
Generate electricity with a bar magnet! Discover the physics behind the phenomena by exploring magnets and how you can use them to make a bulb light. Java required.
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Handout
Khan Academy

Khan Academy: What Is Magnetic Flux?

For Students 9th - 10th
A reference page to learn about magnetic flux means and how to calculate it. Reference page includes explanation and exercise.