Letter 33067

How do you measure the formation of rust? [Texas] 

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I'm doing a middle school science fair project. I have six pieces of metal and have placed them around the yard. After doing this I realized I have no way to measure the the rust. I cannot use my eye. Please let me know as soon as possible if you have an anwser. This is greatly appreciated!

Thanks a bunch,

Faith R.
- Dallas, Texas, United States

Well...let's see. How about scraping off the rust and weighing it? Easy if you can borrow a sensitive scale or a pan balance. Somewhat more difficult if you have to make a balance, but probably worth more points. Good Luck!...and please let us know how it turns out.

Tom Gallant
- Long Beach, CA, USA

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