The dark brown color of a penny is most likely oxidation, which occurs when the
copper in the penny comes in contact with oxygen. Since the average penny ...
Pennies get dull and dirty because the copper in the pennies reacts with oxygen
in the air to form copper oxide. When you put your pennies in a vinegar and salt ...
Environmental Damage. A walk down any busy street reveals loose change that
has fallen from pockets and purses As over half the coins produced in the ...
10 dirty pennies; 4 tablespoons lemon juice; 8 tablespoons vinegar; 1 teaspoon
salt; small bowl (not metal!) 1 spoon (not metal!) paper towels or napkins ...
Place a dirty penny on a clean cloth and rub gently in a circular motion with the ...
A 1943 Copper Wheat Penny can get more than $60,000 and one in perfect ...
www.ask.com/youtube?q=What Causes Pennies to Get Dirty&v=5hQqYLrPuAk
Apr 6, 2011 ... Watch our short video on How To Make A Dirty ... ... JUST DON'T TOUCH THE
SOLUTION CAUSE YOUR HAND WILL BURN DUE TO THE ...
It's simple chemistry. Coins are used by people, and no matter how well you
wash you still have ..... But being in captivity can cause a build up of oils and dirt
on their fur. It is important they always have clean substrate (sawdust) and that
you give ...
Now pour some baking soda into a small dish and add some water to make a
thick ... Stir it around to dissolve the salt and then dump in your dirty pennies. ... (
The dots you see on the 'After' penny were caused by air bubbles in the lemon
Oh, I have one more question, what actually causes pennies to get dirty?
THANKS A BUNCH FOR YOUR HELP! Kalyn [last name deleted for privacy by
Nov 3, 2015 ... Find More Science Experiments Everything in the universe is made of teeny ...
Dirty Pennies; Taco Sauce; Vinegar; Tomato Paste; Salt; Water ...