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Tom Kuntzleman's picture

Chemical Mystery #4: The Case of the Misbehaving Balloon

Tue, 02/03/2015 - 11:19 -- Tom Kuntzleman

Conducting experiments with liquid nitrogen experiments is a sure-fire way to energize many chemistry lessons. Unfortunately, getting access to liquid nitrogen can be a bit difficult. I happen to purchase liquid nitrogen from Airgas; you might be able to find a branch near you here.

Erica Posthuma-Adams's picture

Planning my Professional Development

Sun, 01/25/2015 - 20:50 -- Erica Posthuma-Adams
ChemEd15

This is the time of year when I start looking ahead and planning my professional development for the new year.   As a mom to two young boys I simply cannot attend all the conferences, workshops, or lectures I’d like to.  I have to research my options and determine how each opportunity aligns with t

Sarah Kong's picture

The Only Thing Constant in Life is Change

Tue, 01/20/2015 - 09:45 -- Sarah Kong

Wow! Night one of the semester we did the activity Change You Can Believe In. It was my second time facilitating, so I did a much better job of directing students when they asked questions and it went much faster than last semester. I did still, as expected, have students that were frustrated. One student asked me point blank what the difference between physical and chemical changes is.

Erica K. Jacobsen's picture

Sowing the Seeds of Science

Wed, 01/14/2015 - 15:26 -- Erica K. Jacobsen

“On the third day of Christmas, my mailman brought to me… three gardening catalogs.” Jumping the gun? Or marketing genius? The doldrums after the holiday were a perfect time for these pages with their promise of spring. Their arrival kicked off an evening of grand plans. Somewhere along the line, chemistry crept in.

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