Electricity
Demonstration and Talk Ideas
Electricity I











Show and talk about some common electronic equipment.
Demonstrate how to build a flashlight.
Demonstrate how to make a switch.
Explain the difference between conductors and insulators.
Explain the difference between open and closed circuits.
Explain the difference between series and parallel circuits.
Demonstrate how to determine the north and south poles of magnets.
Demonstrate how to build a compass.
Demonstrate how to make an electromagnet.
Demonstrate how to build a galvanometer.
Demonstrate how to build an electric motor.
Electricity II










Explain alternating and direct current.
Demonstrate how to use a volt-ohm meter.
Demonstrate Ohm’s law.
Explain conductors and insulators.
Explain different circuit symbols.
Demonstrate how to build a circuit.
Demonstrate how to build a momentary switch.
Demonstrate how to build a three-way switch.
Demonstrate how to solder connections.
Demonstrate how to build a burglar alarm.
Electricy III










Explain what would be in a basic electrical tool and supply kit.
Explain how to determine a family’s electrical usage.
Talk about fuses and circuit breakers.
Describe the different types of wires.
Talk about the different types of light bulbs.
Demonstrate how to measure the electricity usage of appliances.
Demonstrate how to test a receptacle for electrical power.
Talk about grounding and explain how to determine if receptacles are grounded.
Demonstrate how to identify the electric capacity of each circuit.
Demonstrate how to replace wall switch.
Electricy IV-Electronics







Explain different electronic parts.
Show how a diode operates in a circuit.
Demonstrate how to control light bulb brightness with a transistor.
Show how a photocell reacts to light and dark and activates an alarm.
Demonstrate how to build a simple light meter.
Demonstrate how to make an SCR intruder alarm.
Demonstrate how to build a 6-8 watt amplifier to power a speaker.
U of I Extension provides equal opportunities in programs and employment.
University of Illinois*USDA*Local Councils Cooperating