measurement

Gluging in Class
// Sunday, September 7, 2014 E Posthuma
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.
// Saturday, July 12, 2014 Erica K. Jacobsen
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?