Glossary
Circuit:
A complete path through which an electric current can flow.
Conductor:
A substance or medium that conducts heat, light, sound, or especially an electric charge.
Current:
A flow of electric charge.
Filament:
The thin wire, usually tungsten, inside a light bulb that emits light when heated to incandescence by an electric current.
Incandescent:
An electric light that produces light with a wire filament heated to a high temperature by an electric current passing through it, until it glows.
Insulator:
A material that does not easily transmit energy, such as electric current or heat.
Quantitative Data:
Data that can be measured, such as length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, members, ages, etc.
