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Cleaning coins science fair project

cleaning coins science fair project

Stage 1: · First, prepare all your cups and line them up. · Next, pour one liquid into each cup. · Afterwards, put one old coin in each cup. · Leave the coins in the liquid. Your Materials For This Science Experiment & Steps Combined · 1. Ketchup Soak your pennies in ketchup to clean them like new. · 2. Hot Sauce. Cleaning Solution Suggestions · Plain water · Soapy water · Lemon juice · Vinegar · Vinegar with salt · Ketchup · Hot sauce · Coca Cola.

: Cleaning coins science fair project

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AVERAGE BITCOIN MINING Just put the coins on the tea towel and leave it to air dry. Will using lemon juice and salt have better results than vinegar? We filled some cups with a cleaning coins science fair project amount of different substances in our kitchen to see which one would get our dirty pennies the cleanest. Why Do Pennies Turn Brown? But what about the ketchup? In conclusion, I found out that the lemon juice was the best cleaning solution for cleaning coins.

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Squeaky Clean Pennies Over time, pennies form a layer of copper oxide on the surface of the penny, which actually protects it from further corruption. And hydrochloric acid is so much more acidic cleaning coins science fair project vinegar alone. I let my kids help pick the different things to test. Vinegar and Salt Make a solution of vinegar and salt and let the pennies soak. Why Do Pennies Turn Brown? You simply add salt to vinegar and you end up making an even more acidic concoction? Was this page useful? cleaning coins science fair project

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