Curated OER
Describing a Chemical Reaction: Playing with Copper
Three experiments involving pennies help young chemists see the chemical reactions between copper and other elements. The first experiment is rhetorical (it prompts students to leave a bright penny out for a year) but the second two...
Science Buddies
Science Buddies: Using Pennies to Test How P H Affects Copper Corrosion
In this science fair project, use a color-based reaction to test how pH affects copper corrosion in pennies.