Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow though the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor...
The Exploratorium aims to bring science and math enrichment activities into out-of-school time. Fewer and fewer students are following academic and career paths into science, technology, engineering, and math (STEM) at...
This is instructions for how to make a simple sun tracker for solar cells. These are the only parts required: a motor, gears, a small solar cell, a large solar cell, aluminium foil, tape or glue and cardboard. A great...
Jose Pino's Project and Tidbits presents these how to instructions about making hi-fidelity speakers using a styrofoam-plate. This is a good activity to teach students about electricity, magnets, and sound. The...
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