We used liquid nitrogen to visualize the aerosol particles emitted while speaking, coughing, breathing, and sneezing. We also tested the ability of various masks to block these droplets.
Chemistry Education in Times of Disruption
The May 2020 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: understanding structures; digital information and web-based learning; exploring everyday chemistry; curriculum innovations; games for teaching; NMR spectroscopy; examining properties of organic liquids; biochemistry laboratories; analytical and physical chemistry laboratories; computational chemistry; innovative low-cost instruments; research on knowledge and skills for teachers and chemists; from the archives: hands-on chemistry at home.
The solution to Chemical Mystery #17 is presented. Were you able to use your chemical knowledge to explain the results?
If you know your chemistry, you can figure out how the bubbles get busted!
The author offers her top 25 reasons (in no particular order) NOT to attend a National Conference or Summer Professional Development.
The Devil's Milkshake is a simple, yet interesting chemistry experiment that fits well as a Halloween demo.
Celebrating National Chemistry Week 2019
The October 2019 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: marvelous metals; safety; engaging activities on nuclear chemistry and self-healing hydrogels; chemistry activities for students studying nursing; fostering community; mathematics and computer models in chemistry; innovative experiments; challenges of demonstrating the atmospheric greenhouse effect; chemical education research; resources for teaching.
Simple chemical tests are described that can indicate the presence of certain metals in coins. A wide variety of chemical concepts are involved. The experiments described are a natural fit for the 2019 National Chemistry Week theme of "Marvelous Metals!"
This post describes some simple experiments using various coins and neodymium magnets that connect to the 2019 National Chemistry Week theme of Marvelous Metals!
Hi everyone! My name is Clarissa Sorensen-Unruh, and I am a new Lead Contributor/Blogger for the Two-Year College component of ChemEd Xchange. I am beyond thrilled, though, to join ChemEd Xchange and learn more about your interests on this platform. I am hoping you, as the audience, will help guide the topics I write about so that we can focus our discussions to interests both you and I share.