Simple Electric Circuit

Simple Electric Circuit

This battery-powered educational kit demonstrates a series circuit by routing current from a dry-cell source through a switch and lamp load. The assembled setup shows the difference between open and closed circuits, supports conductor and insulator testing, and provides a physical model for observing electrical energy conversion.

Product Specifications

Applications and Benefits:

• Construct a basic electric circuit that lights a bulb.
• Learn the basic concepts of electricity and electrical circuits.
• Build a battery-powered light circuit controlled by a switch.
• Observe how a power source, resistor, and switch operate in series.
• Compare open-circuit and closed-circuit behavior.
• Use the assembled circuit as a science project, educational activity, or technology project.
• Add a paper lamp shade and use the assembled circuit as a night light activity.
• Investigate whether electrical energy can be converted to heat by measuring bulb temperature every 60 seconds.
• Identify conductors and insulators by placing materials between the poles of the open switch.
• Test metals and non-metals such as coins, nails, paper clips, pencil lead, rubber, wood, plastics, glass, and aluminum foil.
• Record conductivity results in a material and conductivity data table.
• Support discussion of why birds can sit on high-voltage electrical cables when current does not pass through their bodies to ground or another wire.

Caution:

This product contains small parts that may pose a choking hazard for young children. Adult supervision is recommended during use and required for assembly steps that involve tools. A D size dry cell is usually about 1.5 V; materials that insulate at 1.5 V may conduct at higher voltages, and even air can conduct at high voltage. Do not experiment with higher voltages. For very high voltages such as 6000 V, stay at least 5 feet away from high-voltage cables. Do not use flame to remove wire insulation because it is dangerous and will blacken the wire ends. No electrical contact will be made if insulation is not removed from the wire ends. Handle battery holder clips with care because excess force may detach them.