20.4 Losing and Gaining Electrons

Losing and Gaining Electrons

John introduces the fundamental ideas of this subject by a campfire along the shores of Lake Champlain, Vermont. Duration: 1:15.

Defining Oxidation and Reduction

Oxidation and reduction are formally defines and the reaction of magnesium and oxygen is used as an example. Duration: 8:35.

KM: Silver Lining

Kai and Maile show how silver tarnish can be restored back to silver by submerging the silver into a pot of boiling water with aluminum foil in it. Duration: 4:36.

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Film Photography

Chemicals can be used to capture an image cast upon a plastic film. This video lesson discusses some of the details of how this works for film photography. Duration: 11:26.

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