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JCE ChemEd Xchange provides a place for sharing information and opinions. Currently, articles, blogs and reading lists from ChemEd X contributors are listed below. We plan to include other items that the community wishes to share through their contributions to ChemEd X.

Deanna Cullen's picture

Percent Composition of an Oreo Cookie

Wed, 01/16/2013 - 14:09 -- Deanna Cullen

Whenever possible, I try to begin a topic with something my students are familar with. For the introduction of Percent Composition in my general chemistry course, I brought in bags of Oreo cookies. Seeing the bags upon entering class was a great attention getter. If you are looking for ways to add more inquiry to your chemistry course, this a an example of how you can experiment with giving up a little control. Try it and see how it goes.

Hal Harris's picture

Public Defender: Diane Ravitch Takes on a Movement

Tue, 11/20/2012 - 15:02 -- Hal Harris

The respected education reformer Diane Ravitch, previously one of the major architects and proponents of No Child Left Behind, has not only taken a new tack, but reversed course. With her 2011 book, she became a leading voice critical of the Obama-Duncan version, Race to the Top. This essay by David Denby describes her evolution.

Deanna Cullen's picture

Energizer Lab

Wed, 10/10/2012 - 14:58 -- Deanna Cullen

Students proceed through a prior knowledge activity, practice creating and using a voltaic cell and use of a model designed to simulate the particulate level activity within a voltaic cell. The teacher checks for student understanding at specific points as groups work together. A discussion follows to help clarify ideas.

Time required: 

About one 60 minute class period for lab and manipulative procedure.

Deanna Cullen's picture

Trend Setter Lab

Wed, 10/10/2012 - 11:57 -- Deanna Cullen
Trendsetter Lab

Students will proceed through a pre-lab engagement activity, organize element cards based on similarities & trends, discuss trends with the class and then produce a periodic table that includes the trends discussed within the lab. The teacher will check for student understanding at specific points as groups work together.

Time required: 

Two 60 minute class periods for procedure. You may wish to include more time for discussion. The assessment portion can be done as homework.

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