Blogs

ChemEd X contributors offer their ideas and opinions on a broad spectrum of topics pertaining to chemical education.

Blogs at ChemEd X reflect the opinions of the contributors and are open to comments. Only selected contributors blog at ChemEd X. If you would like to blog regularly at ChemEd X, please use our Contribution form to request an invitation to do so from one of our editors.

by Tom Kuntzleman
Sun, 06/28/2020 - 09:06

Liquid nitrogen is used to visualize the aerosol particles emitted while speaking, coughing, breathing, and sneezing. The ability of various masks to block these droplets was also tested.

Recent activity: 8 months 1 week ago
by Dean Campbell
Mon, 06/22/2020 - 08:20

The purpose of this variation on the “dragon’s breath” demonstration is to illustrate that face masks can diminish the movement of particles in the air, an important idea in public health.

Recent activity: 9 months 3 weeks ago
by Josh Kenney
Wed, 06/17/2020 - 14:56

Metacognition is a learner-focused evaluation of knowledge growth and an essential process for complete and lasting knowledge. Although virtual learning environments pose challenges for facilitating metacognitive activities, student-made videos are effective for increasing metacognition in online chemistry instruction.

Recent activity: 10 months 1 day ago
by Ben Meacham
Tue, 06/02/2020 - 10:20

Desmos offers an activity building feature that allows teachers to create and customize activities. The resource is applicable to a variety of science and chemistry topics and useful in whatever learning environment teachers find themselves in next school year. 

Comments: 5
Recent activity: 9 months 5 days ago
by Chad Husting
Tue, 05/26/2020 - 16:13

Tips on planning for an uncertain future.

 

Comments: 2
Recent activity: 16 hours 46 min ago
by Tom Kuntzleman
Tue, 05/26/2020 - 12:37

The Ruben's Tube (also known as a Flame Tube) is a classic experiment used in physics classes. There's also a bit of chemistry to be learned while experimenting with a Ruben's Tube...

Recent activity: 10 months 3 weeks ago
by Stephanie O'Brien
Tue, 05/26/2020 - 11:17

With the end of school upon us and the possibility of remote instruction in the fall, here are some techniques  to address four NGSS science and engineering practices; Planning and Carrying out Investigations, Asking Questions and Defining Problems, Developing and Using Models, Analyzing and Interpreting Data.

 

Recent activity: 10 months 3 weeks ago
by Scott Donnelly
Tue, 05/19/2020 - 20:35

Welcome to Part 4 in a series of posts looking at the metabolic chemistry that allows a bear to opt to survive winter by not eating at all and by doing so increase its chances of dying from starvation. By the end of hibernation up to a third- and more for a pregnant bear- of a bear's pre-denning mass may have been devoured by the bear's metabolic and physiological needs. A remarkable animal. A remarkable study in biochemistry. Enjoy...

Recent activity: 11 months 15 hours ago
by Ariel Serkin
Thu, 05/14/2020 - 17:37

Sometimes, your Professional Learning Community is not at your school, but rather with educators from around the world.

Comments: 2
Recent activity: 11 months 4 days ago
by Josh Kenney
Mon, 05/11/2020 - 10:00

After making the switch from in-person to virtual chemistry learning in the wake of school closures due to COVID-19, teachers have continued to make adjustments.  The author has found a few new strategies and made changes to his course in response to the needs of his students and the nature of online learning.

Comments: 2
Recent activity: 8 months 1 day ago