Using Models for Learning Chemistry The August 2014 issue of the Journal of Chemical Education is now available online to subscribers at http://pubs.acs.org/toc/jceda8/91/8. The August issue contains content to spark thinking about models and how to foster meaningful learning in chemistry classrooms and improve student understanding.
I've mentioned previously that my current grade 10 class is reading "The Case of the Frozen Addicts" together. As my students starting writing their blogs to respond to the reading, I saw quite a few questions that I couldn't answer. But I didn't want to leave the questions there with no response, so I went to Twitter to find scientists to join my class as a guest speaker.
Changing the Landscape of Chemical Education The December 2013 issue of the Journal of Chemical Education is available online to subscribers at http://pubs.acs.org/toc/jceda8/90/12. This issue of JCE plus the content of all past issues, volumes 1 through 90, are available to subscribers at http://pubs.acs.org/jchemeduc.
Osmosis of a sucrose solution through a semi-permeable dialysis membrane bag is demonstrated.
A chemical hot pack uses the crystallization of sodium acetate to provide a portable heat source.
Liquid ethanol is poured into a saturated calcium acetate solution and a solid gel is formed. The gel burns like canned heat (Sterno™).
Hematite and magnetite are formed from iron(II) and iron(III) solutions.
Hematite and magnetite samples are tested for magnetism.
This is a simulation of how the reaction of iodine with α-pinene was used as a form of antisepsis.
Spikes in aqueous ferrofluid are formed in response to a magnet.