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Whether in the classroom or in the online format, students typically struggle to envision the infamous Rutherford (aka Geiger-Marsden) gold foil experiment. A short video was created that describes the experimental design and set up. Enjoy...
Michael Jansen contemplates his student's reaction to a last minute switch to an old school delivery of a lesson.
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.
When introducing acid-base theory, the concept of indicators and their pH color changes is usually discussed. To illustrate some color transitions to students, a classroom demonstration has been devised based on a memorable scene from Disney’s 1964 movie Mary Poppins.
Chad Husting uses a few simple gas law experiments to introduce his students to the particulate level of chemistry.
A primary goal of modern education is to prepare students for a globally competitive society. Importantly we must ask questions such as, “who is doing the hard intellectual work in the classroom?” and "what does doing hard intellectual work look like?"
The familiar soda fountains that can be produced by adding Mentos candies to plastic bottles of carbonated beverages can also be produced by adding objects to carbonated beverages in aluminum cans. A variety of simple methods for producing soda fountains from cans are described.
Chad Husting explains how he used two hands on activities to get a sense of where his students were at within the realm of labwork and the scientific process as school began.
Yes, sitting down and having "The Talk" with your students- the one focused on their careers and goals. Sometimes it is difficult and each student can be very different. But it is still worth it in the long run to do this.
Check out the solution to Chemical Mystery #18: Peek A Boo Blue!