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This simulated ice core lab provides a great opportunity for students to use different units of concentration beyond molarity, explore how knowledge of chemistry can uncover past events on Earth and practice the skill of generating a calibration curve.
The floating soap bubble is an impressive experiment that is surprisingly easy to carry out.
Josh Kenney shares three simple and inexpensive demonstrations using Elmer’s glue.
Michael Jansen shares his thoughts about "softly" introducing topics before their formal appearance in the curriculum.
Part 4 of Colourful Chemistry of Canning explores how to make gold in an old tin can!
Here is a fun way to open up the topic of observations and conclusions.
The color of a thermochromic system depends on its temperature. The colors of leuco dye-based systems can also be influenced by adding acids or bases to the thermochromic reactions. These can be used to create colorful demonstrations of acid-base chemistry. Thermochromism found in color changing cups can also be used to visualize heat flow, and therefore thermodynamic principles, associated with stretching and contracting elastomers.
Michael Farabaugh outlines mistakes and misconceptions that were encountered during the 2023 AP Reading and offers suggestions for improving performance on the AP Chemistry exam.
