Free Clip Art by Phillip Martin

Boyle's and Charles' Laws

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I don't remember much about my high school Chemistry days. I do, however, remember one lesson. One quarter I finally earned an A-, or so I thought. The teacher said so many students did well that he upped the grading scale and I got a B+. The lesson I learned for my future students was NEVER change the grading scale to punish students who meet the expectations.
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