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Item #: AP7821

Price: $33.80

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With the Solar Cell Demonstration, demonstrate the conversion of solar energy into mechanical energy. Experiment with different intensities of light to vary the speed.

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Demonstrate the conversion of solar energy into mechanical energy. Four solar cells are mounted a plastic disc (4½" dia.) that is connected to a DC motor. When the panels are exposed to a lamp or the Sun, the wheel starts to spin. Experiment with different intensities of light to vary the speed.