The Gold Rush - Turning Pennies into Silver and Gold - Chemical Demonstration Kit
By: David Katz , Pima Community College, Tucson, AZ
Item #: AP8895
The Gold Rush Oxidation-Reduction Chemical Demonstration Kit provides students with what alchemists only dreamed about. Students will be dazzled as an ordinary copper penny is turned into silver, and then into gold.
This item can only be shipped to schools, museums and science centers
Demonstrate to your students what the alchemists only dreamed about. Turn an ordinary copper penny into silver and then into gold. Students will watch as you place pennies into a chemical solution which turns the pennies silver. Then, over heat, the silver penny will change into “gold.” Teacher Demonstration Notes included. Enough materials are included to perform the demonstration seven times.
Concepts: Oxidation-reduction, alloys.
Time Required: 15 minutes
Chemicals Provided: Zinc, zinc chloride solution, sodium chloride, vinegar.
Note: Shiny pennies are needed, but not provided.