Pennies, which are made out of a metal called Copper, are bright and shiny when first made. When copper mixes with oxygen it causes a chemical reaction that can turn the pennies brown or green and ...
MILWAUKEE -- Keeping your kids with a science experiment. All you need is ketchup, some salt, a penny, and you can see a chemical reaction in action. Dr. Koco from Mad Science joins FOX6 WakeUp with ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback