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 ...
Dirty pennies; White vinegar; Table salt; Shallow glass or plastic bowl. How to:
Put a couple of ... It's the same reaction that makes the Statue of Liberty green!
Put about 5 pennies into the bowl and count to 10 slowly. Take out the ... Do other
amounts of salt make a difference in the chemistry of the experiment? Science ...
If the eraser is too hard, it can leave deep scratches in the penny. Place a dirty
penny on a clean cloth and rub gently in a circular motion with the eraser. Flip the
The penny looks weird now huh? A dull pinkish color… Now make a concoction
out of baking soda and a little water to form a paste. Rub this compound all over ...
Dirty pennies have a variety of causes. penny graph image by RT from Fotolia.
com. There are currently over 130 billion pennies circulating in the United States.
There is always something so magical and exciting about tossing in a dirty penny
and seeing a beautiful clean and shiny penny come out. Well, my seven year ...
Nov 3, 2015 ... A chemical reaction takes place that makes a molecule called copper oxide – that
is the dirty stuff that you see on the penny. This “stuff” is often ...
www.ask.com/youtube?q=What Makes Pennies Dirty?&v=5hQqYLrPuAk
Apr 6, 2011 ... This instructional video is a suitable time-saver that will enable you to get good at
science cool experiments. Watch our short video on How To ...
For all of you coin enthusiasts out there and elongated penny collectors, you will
probably ... With Instructables you can share what you make with the world, and
tap into an ... How to Clean and Polish Dirty Pennies (The Chemical Free Way).