Electric VocabularyWe all know the words around electricity, "charge," "positive," "battery" and more. But where do they come from and what do they really mean? Let the history of these words illuminate the physics of electric phenomena.
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Electricity and Circuits
This video is an introduction to electricity, designed to support this topic at the grade 5 to 9 level. Using a simple model of the atom, electrons are presented as the charged particles that carry electrical energy in most circuits. The video includes a demonstration of series and parallel circuits.
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What is Volts, Ohms, and Amps?
There were some good comments from this video:
I use a highway analogy to describe this: Traffic: Voltage (More cars, more dense) Lanes: Current (More room to pass through) Exits: Resistance (Leaving the circuit) |