Oxidation - Failed Lightbulb (Scott Holloway)
Author(s)
Author(s)
Scott Holloway
Principles Illustrated
Principles Illustrated
Filament in a lightbulb does not burn, but glows. If air (oxygen) gets into the bulb of a lightbulb, the filament will burn out.
Standards
Standards
Questioning Script
Questioning Script
Prior knowledge & experience:
What happens to a wire when electricity passes through it?
Root question:
Why are lightbulbs sealed?
Target response:
Lightbulbs are sealed to keep the filament from burning out.
Common Misconceptions:
Steel wool cannot burn. The wire in a light bulb will not burn. The glass bulb is there only to spread the light out in all directions.
Photographs and Movies
Photographs and Movies
