Use a simple experiment to get to know students, demonstrate experimental design and discuss classroom policies about cell phones.
You can solve Chemical Mystery #20 if you know your chemistry...and your magic!
Why does the "Whoosh Bottle" experiment behave differently at different temperatures?
Can Alkaline Water Change the pH of your body? We use chemistry to put this claim to the test!
The "Two-Faced" thionin reaction involves causing a purple solution to fade to colorless by shining light on the solution. I wondered if it could be demonstrated the color of light that caused this transition.
Did you figure out how to create a multi-colored mixture? Check out the solution to Chemical Mystery #19: Multi-colored Mixture!
Here is a quick and easy yet powerful experiment for para and diamagnetism that helps to provide evidence for quantum numbers.
Check out the solution to Chemical Mystery #18: Peek A Boo Blue!
Michael Jansen reflects on a very common empirical formula lab that asks students to determine the empirical formula of MgxOy. He then explains how he continues to use it as a "successful failure", how he demonstrates an alternate procedure and leads his students to an important lesson.
Summertime means doing chemistry experiments with flowers found growing in the yard...
