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.
Fill 4 cups each, one quarter full with each of the cleaning solutions. (4 with Cola, 4 with Baking Soda Paste, 4 with Orange Juice, 4 with Water, 4 with Dish Soap, 4 with Lemon Juice.) Record each coin's condition prior to placing it into its cup. Place each type of coin into each solution.
Conclusion: In conclusion, I found out that the lemon juice was the best cleaning solution for the pennies. My hypothesis was correct because I predicted that the .
6th grade science projectuse scientific process-with abstract at least 2 paragraphsinclude title page, acknowledgement, table of content, abstract, the problem, .
This is the step by step procedure to the cleaning coins experiment.. You don't need any fancy gadgets or science kits to clean these coins,. to the same conclusion that the ketchup and the vinegar + salt mixture cleaned the coins the most?
The project that I made, consisted in cleaning up old and dirty pennies.. In conclusion, this experiment made me see how strong vinegar mixed with salt is and .