Kids will be amazed at the result of the shiny coins
experiment. Before you start this kids science experiment, let
the kids find some dirty copper coins laying around the house.
Copper coins work best for this activity.
Planned Kids Cooking Curriculum
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Pour lemon juice in a glass less than 1/2 full.
Place dirty copper coins in juice and let sit overnight.
Predict what will happen.
Take coins out the next morning and dry with a paper towel.
Can you tell the difference from yesterday?
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The acid from the lemon juice eats away the
dirt and cleans the coins.
You can use Cola instead of lemon juice for this experiment