TOPIC:

L1-03: LIGHT BULB WITHOUT VACUUM 9 years 8 months ago #743

zzfixk21
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ID Code: L1-03
Purpose: To show what happens to a lighted filament in the presence of air.
Description: Turn on the light bulb so that it burns like usual. Gently position the drill against the bulb and turn it on; it drills through the glass in a few seconds. When air (oxygen) enters the bulb it rapidly burns up with a large vapor cloud.
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