Shiny Coins Experiment

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 work best for this activity.
shiny pennies

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  1. Juice lemons until your glass is half full. Or use bottled lemon juice and add to a glass about 1/2 full.
    lemon juice
  2. Place dirty copper coins in juice and let sit overnight.
  3. Predict what will happen.
  4. Take coins out the next morning and dry with a paper towel.
Can you tell the difference from yesterday?

The acid from the lemon juice eats away the dirt and cleans the coins.

 You can use Cola instead of lemon juice for this activity.

Cleaning Coins with Coke





Related Food Science Experiment Pages: ~ Apple experiments, ~ Bean experiments, ~Celery and Food Coloring, ~ Homemade butter, ~Make Cottage Cheese, ~Red Cabbage PH ~Homemade volcano, ~Coke Bottle Experiment, ~ Jumping raisins , ~Cheese Souffle, ~ Poached egg, ~ Shiny coins, ~ Egg into a bottle, ~ Homemade ice cream in a can or bag, ~ How is chocolate made?, ~ Make homemade yogurt, ~ Proofing yeast and baking homemade bread, ~ Sourdough bread starter recipe, ~Grow your own from food scraps, ~Food Science

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