8A Oxidation and Reduction

Chapter Introduction

John introduces the fundamental ideas of this chapter 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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Getting Electrons to Flow

An electric current can be created when two materials that have differing tendencies to become oxidized and reduced are placed in contact. You can't just hold the two materials together, however. They must be set up so that there is no build up of charge. Duration: 12:03.