What real world examples are made known to students when discussing freezing point depression? What about brinicles, also known as "Icy Fingers of Death"? A brinicle (from brine + ice) is a finger-like formation of supercooled brine solution that grows downward underneath sea ice. Intrigued? Cool (pun intended). Keep reading to find out more!
Thomas Cox's blog
Interested in building a healthy sense of belonging for students in chemistry class and laboratory? In encouraging students to form study groups that lead to friendships post-chemistry class? Try the Study Group Selfie.
Per label, 39 grams of table sugar (sucrose) are in a 12fl.oz. can of a Red Bull beverage. Visually, how much is 39 grams of anything? Check it out in this post.
Think back to when most college students across the country were on campus working together on group projects and studying together in the library. So how can this be recreated now that online instruction is the current operational mode? One solution may be Study Hall over Zoom.
Interested in embedding interactive lecture and/or lab videos? PlayPosit provides a medium to do so. This post gives directions on how to get started.
Two important types of information obtained from ice cores comes from the bubbles in the glacial ice and the stable oxygen and hydrogen isotopes within the frozen water molecules themselves. This post describes how the bubbles (air pocket 'fossils') and stable isotopes are used to determine the concentration of gases in the ancient atmosphere, particularly in relation to past temperatures.