Preparing for a Cracker of a Lesson
Video of my buddy Andy and I playing with fire crackers, testing out a demonstration before performing in front of students.
Speed: Nothing You Can’t Take
When I used to teach, I would begin a topic with a multi-media PowerPoint presentation to introduce the topic and for a few other reasons, one of which was to get some laughter from the students!
Guess what topic this was an introduction to? Follow the link to find out!
The Burning Issue of a Candle
A simple experiment involving inversion of a conical flask over burning a candle in a dissection tray with some water can be a stimulus for open-ended, really really fun, very very challenging -- to both students and teachers alike -- problem, covering some fundamental high school chemistry.