Tom Kuntzleman conducts a safer "mercury-like" beating heart experiment with an added splash of gratefulness.
Inspired by a recent article in the Journal of Chemical Education, Tom Kuntzleman attempted to extract lithium from a coin battery, and to use the extracted lithium to produce a pink flame.
Check out the solution to Chemical Mystery #18: Peek A Boo Blue!
My district recently provided a professional development session focused on utilizing three dimensional formative assessments in the classroom. The ideas I learned in the session as well an an activity for students to engage in formative assessment are outlined.