Testing Voltage Output Through Different Water Mediums
My son has chosen a science fair project wanting to test the affect of water containing different substances (tap, salt, baking soda, etc) on voltage output. I'm too ignorant on elctrical current flows (other than water and electricity don't play well together) to advise him. Can anyone give me some advice on how we could possibly set this up or should he scrap the idea before I end up on the top ten list of how to improve the human gene pool?
Thanks,
Eagle-Driver
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