+
Worksheet
Curated OER

Molarity Labs I & II $ III

For Students 10th - 12th
In this molarity lab worksheet, students write down the process they took to determine the molarity of a given sample of a solution of salt. They also make two particular molar solutions in the lab and show their calculations. They answer
+
Handout
Other

Bellevue: Accuracy vs. Precision & Error vs. Uncertainty

For Students 9th - 10th
A really nice distinction here in this longish piece from the Bellevue Community College. It's not just accuracy vs. precision, but also error vs. uncertainty. This is a necessary additional consideration for any paper on the topic.
+
Handout
University of Colorado

University of Colorado: Error, Accuracy, & Precision

For Students 9th - 10th
A serious paper by serious geographers, discussing at full length the problems caused by error, inaccuracy, and imprecision in Geographical Information Systems. The definitive word in the real world.