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 Dean Campbell
Fri, 07/15/2022 - 23:56

Flash rocks, typically pieces of quartz that produce light when struck together, are an example of the complex phenomenon of triboluminescence. The green chemistry aspects for the flash rock demonstration are considered, and LEGO models illustrating quartz crystals, piezoelectric materials, and nonpiezoelectric materials are presented.

Recent activity: 5 months 3 weeks ago
by Tom Kuntzleman
Mon, 07/11/2022 - 10:05

You can solve Chemical Mystery #20 if you know your chemistry...and your magic!

Recent activity: 3 months 1 week ago
by Tom Kuntzleman
Tue, 07/05/2022 - 13:45

Why does the "Whoosh Bottle" experiment behave differently at different temperatures?

Recent activity: 3 months 1 week ago
by Chad Husting
Fri, 06/24/2022 - 08:48

Here is a great way to use spreadsheets to both collect student data and provide instant feedback during labs with quantitative data.

Recent activity: 7 months 1 week ago
by Scott Donnelly
Wed, 06/22/2022 - 14:32

Continuation of the practical application of chemistry to seemingly something unrelated- global maritime trade. In this classroom activity students predict the buoyancy (and hence stability) of a merchant cargo ship based on interpretation of seawater surface salinity values. Like in the first three posts, the question types are conceptual. 

Recent activity: 7 months 1 day ago
by Scott Donnelly
Sun, 06/12/2022 - 15:36

This is the third post in a series dealing with seawater chemistry and global maritime trade. This classroom activity introduces the concept of salinity and tasks students to predict the range of salinities in certain regions of the ocean (coastal and open water, all four hemispheres, high and lower latitudes). Enjoy...

Recent activity: 7 months 1 week ago
by Scott Donnelly
Mon, 06/06/2022 - 20:07

This is the second blog post describing a classroom activity relating seawater chemistry to oceanic shipping. Included are questions that challenge students to apply conclusions drawn from observations to making predictions.  

Recent activity: 7 months 1 day ago
by Thomas Cox
Thu, 06/02/2022 - 16:08

Student: "Why do I have to take this chemistry class?" Heard it before, perhaps numerous times right? Let's see what an astrophysicist has to say about this ubiquitous student question.

Recent activity: 8 months 3 days ago
by Scott Donnelly
Wed, 06/01/2022 - 11:20

Maritime shipping is the backbone of global commerce and trade. How is the chemistry of seawater involved in the complex, intertwined network of international trade? Let's find out.

Recent activity: 8 months 4 days ago
by Thomas Shiland
Fri, 05/27/2022 - 09:26

"Make it Stick" is filled with research-based recommendations to improve the effectiveness of learning.

Recent activity: 8 months 1 week ago