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!
I observe a red to blue color change when I rinse my bowl after eating frozen blueberries. Sounds like an acid-base reaction, doesn’t it? Well, read on to learn about the blueberry surprise!
Inspiring Teaching and Learning Chemistry for 97 Years
The January 2020 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: activities using household materials; demonstrations; health-oriented experiments; microplastics; environmental chemistry labs; fluorescence; surface chemistry; cost-effective equipment; augmented & virtual reality; laboratory curriculum; examining learning in general chemistry; organic chemistry teaching resource; from the archives: developing oral communication skills.
What do scientists have to say about the connection between climate change and the bush fires in Australia?
Erica Jacobsen shares highlights from the December 2019 issue of the Journal of Chemical Education of special interest to our ChemEd X community.
Chemistry and lasers can be used to create a demonstration that includes several colors and flashing lights. This demonstration connects to topics in quantum chemistry and phase changes.
The Devil's Milkshake is a simple, yet interesting chemistry experiment that fits well as a Halloween demo.