high school

Algae Connections to Chemistry Classrooms

This timely post is a perfect fit for the theme of Chemists Celebrate Earth Week 2023! Algae is a rich topic with many possible connections to the chemistry classroom. Algae needs to take in light, carbon dioxide, and various simple nutrients and, though it can sometimes get out of control, can produce oxygen, diatomaceous earth, and other products. It can even fluoresce pink! 

PFAS Guided Inquiry Activity

This PFAS Analysis guided inquiry activity introduces students to "Forever Chemical" pollutants in the environment as they apply their previous knowledge related to electronegativity, polarizability and bond strength to PFAS molecules. 

AP Chemistry with WE Service

The AP with WE Service program is one way to incorporate service-learning into your AP course to improve student understanding of content and help develop the leaders of tomorrow.

Writing your PAEMST Addendum

Congratulations on becoming a PAEMST finalist. Now what? After the grueling application process, you realize that you now have to write an addendum. Here are some tidbits to help you navigate this hectic week.

Laser-Cutting CDs into Snowflakes

Laser cutters can be used to cut and engrave a variety of thin materials. Compact discs, composed of layers of polycarbonate plastic and aluminum metal, were explored for their ability to be shaped with a laser cutter. The laser can successfully cut and engrave the compact discs into the shape of snowflake. However, each disc must first be coated with a material like glue in order to protect the plastic from discoloration and the byproducts from cutting the plastic that can accumulate on the disc surface.