Science Explorer: At Home Science Projects Exploratorium." Exploratorium: The Museum of Science, Art and Human Perception. Web. 17 Dec.
Experimental Procedure. Fill four cups each one quarter full with each of the six cleaning solutions suggested (4 with lemon juice, 4 with orange juice, 4 with cola, 4 with water, 4 with baking soda paste and 4 with dish liquid). Carefully record each coin's condition prior to placing it into its cup.
Science with kids, date last updated unknown, Penny Cleaning Experiment. .
The Household Chemistry of Cleaning Pennies. Laurence D.. Citation data is made available by participants in Crossref's Cited-by Linking service. For a more
include bibliography-8 sources use MLA style, Use accredited websites. Cleaning Coins Grade Level: 6th to 8th; Type: Chemistry Objective: This project .
Science Projects on Cleaning a Penny. By Matthew Williams; Updated April 24, 2017. Get your pennies clean with an inexpensive homemade cleaner.