Last year while attending the Biennial Conference on Chemical Education at GVSU I had the opportunity to hear a talk that showed a video of a chemical demonstration showing the burning of magnesium metal. We have all seen many of these videos (thank you YouTube) and probably have performed this demo for our own students many times. During the video it may have been represented with a chemical equation followed by the students being asked to balance the equation or maybe even predict the products. Although the use of video including the showing of the equation nicely represents the macroscopic and symbolic representation, what was so unique about this particular video is that it also included the particulate representation embedded on top of the video of the demo. This was the first time I had seen the particulate level representation done like that and so I was intrigued in wanting to find more of these representations.
This week I am on spring break. Before spring break, my honors and regular Chemistry 1 classes made it through our third unit called “Periodic Table and Periodicity.” During this unit, we take about 3 days to learn the content and another 3-4 days to practice the content (more for Chemistry 1, less for Honors). One way that I have my students review the content is by playing a board game that I recreated from an NSTA conference a few years ago. In this board game students are instructed to place words on their proper line/location (including names of families/groups and regions of the periodic table) and arrows on yellow dots pointing in the direction that that periodic trend increases (trends include: Electronegativity, Ionization Energy, and Atomic Size/Radius). Feel free to create additional periodic trend arrows depending on what you’ve covered in class.
I have taught for almost 30 years and have attended my fair share of professional development. Many of these have been very good (ChemEd, BCCE, ACS, NSTA, and ICE) but nothing has been as motivating, influential, and beneficial to my career as getting involved in the Chemistry Olympiad. Every year, the ACS sponsors a local section contest for high school students.
Opportunities for teachers to explore topics in Bio Energy, collaborate with other teachers, perform research and develop/write curriculum.
“So You Think You Can Demo” is a fun and educational contest sponsored by ChemEd committee members to allow chemical educators to have a platform to share their best hands-on science demonstrations. We encourage all ChemEd 2015 attendees to submit a video showing off your most creative, informative and interesting chemistry demo. The deadline for submission of a demo video is April 30th.