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Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Signal Circuit

For Students 9th - 10th
Why do the lights turn on in a room as soon as you flip a switch? Flip the switch and watch the electrons. Does the light turn on immediately? Explain using observations of the model.
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Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Signal Circuit

For Students 5th - 8th
Learn how electricity flows through a circuit by watching how the electrons move.