The device is sensitive enough to compare poor conductors to insulators. Magnets and Electricity A magnetic rod can be dropped through coils of wire to generate enough electricity to light red LEDs. The same experiment can be repeated with other non-magnetic rods to show they have no effect. This is a talking picture illustrating electrical safety in the home. An electrical circuit is made by slotting components into three gaps in a circuit diagram.
Students can choose from a selection of bulbs, buzzers, motor, switches and wires.
The circuit will not work unless all gaps are filled. A short circuit alarm sounds if wires are used to fill all three gaps. Resistance Students can investigate the use of resistors in a dimmer switch, motor control and volume adjuster. Static Electricity Jumping polystyrene balls and crumpled aluminium foil are used to illustrate this phenomenon. Generator Students can generate their own electricity to run various items.