Reviews what an electric circuit is, the parts of an electric circuit, and how to represent an electric circuit with a circuit diagram.
Find out how a magnet and an electric circuit can be used to create a simple burglar alarm.
Find out whether wearing rubber-soled shoes would really protect you from electricity if you accidentally touch an electric line or are struck by lightning.
Discover what resistors are, how they work, and how to use Ohm's law to find the size of resistor needed for a particular device.
An animation of the movement of electrons in a simple electric circuit consisting of a battery, a switch, and a light bulb.