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Cleaning Pennies with Vinegar and Salt

In this task you will use the experimental scientific method to investigate a relevant, testable problem and communicate your findings in an organized written report.

Design and carry out a scientific experiment that investigates a topic from either the life, earth or physical sciences and uses appropriate methods, tools, technologies, and quantitative measurement units.

The project I chose was finding a solution that best cleaned a dirty penny (vinegar & salt). I completed my report, but it was sent back because it lacked Quantative data. Attached is what was submitted. Can you help?

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Solution Summary

This solution offers some specific suggestions, so that the student can improve the experiment report.