playing cards and candles on a wooden table

Introducing the Chi-Square Test Through Inquiry

Adapted from a creative statistics lesson taught by master science educator Mark Krotec, this pre-lab investigation introduces the value of statistics, the inherent qualities of uncertainty, and data interpretation. Students are asked to discredit the claim that their teacher possesses psychic ability by using a clever card trick, a careful experimental design protocol, and the application of the chi-square test.

Colorful & Tasty

Determining Flavor

The Connection Between Taste, Smell, and Flavor The sense of taste and smell are closely related. Humans can distinguish 5 […]


What Is a Light Year?

Understanding Unfamiliar Units This activity gets students out of their desks to practice measuring and manipulating units in a fun, […]

graphs and charts

The Basics of Graphs and Charts

Help your students brush up on their graphing skills with this quick review. Graphs and charts communicate information visually. They […]

cheese making

Cheese Making

An Interdisciplinary Science Exploration Evidence suggests that people have been making cheese for at least several thousand years. In the […]