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Sensitive Filament: Physics & Electricity Science Activity

Source Node: 1453749

SensitiveFilament DSC 5622 H

Another great activity from the Exploratorium Teacher Institute Project.

The exposed filament from a 100-watt incandescent light bulb is wired in series with a flashlight bulb and a 9-volt battery. Blow on the filament and the flashlight bulb gets brighter.

Read more.

Source: https://blog.adafruit.com/2021/11/09/sensitive-filament-physics-electricity-science-activity/

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