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Reversible Tin Man—Chemical Demonstration Kit

By: The Flinn Staff

Item #: AP6867

Price: $32.45

The Reversible Tin Man Oxidation–Reduction Chemical Demonstration Kit focuses on oxidation–reduction and shows students the components of an electrolytic cell. Students watch tin crystals grow across a Petri dish and then quickly “reverse.”

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This item can only be shipped to schools, museums and science centers

Product Details

Grow a beautiful “tin-man” crystal tree using this electrifying demonstration! This quick and simple demonstration will teach oxidation–reduction principles and show students the components of a simple electrolytic cell. Students will enjoy watching tin crystals grow before their very eyes across a Petri dish and then quickly “reverse” as the cathode and anode are switched. A true crowd-pleaser! Teacher Demonstration Notes and reproducible student worksheets are included.

Concepts: Electrolysis, oxidation–reduction, anode, cathode.
Time Required: 15 minutes
Materials Provided: Tin(II) chloride solution, 9V battery, battery cap with alligator clip leads, Petri dish.