Making Measurement Meaningful or Why to Avoid Saying "Sig Figs" in Class.
Erica Posthuma | Sun, 09/07/2014 - 12:27
Every year when the day came to discuss the rules for significant figures in measurements with my classes I would write the rules on the board, we’d work through a couple examples, and I’d try to find a way to explain why we needed to use them when reporting measurements. This has never been my favorite topic to teach, mostly because I had a difficult time helping students see why these rules for measurement and reporting uncertainty were important.
Back to School... with Candy
Erica K. Jacobsen | Sat, 07/12/2014 - 11:40
Making plans for back to school? Don’t forget the candy! It doesn’t sound like something a nutritionist would recommend, but what about a chemistry educator?