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Deanna Cullen's blog

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NGSS

Fri, 04/19/2013 - 09:35 -- Deanna Cullen
Next Generation Science Standards

If you haven't seen them yet, check out the final release of the Next Generation Science Standards. There is helpful information at the site.  My home state of Michigan is currently asking for public input in order to plan support for implementing NGSS.

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Publishing Your Work

Thu, 04/18/2013 - 18:46 -- Deanna Cullen

Whether it is a completely unique idea or just a twist on an old classic, engage in collaboration with other chemistry teachers around the world and publish your work. There are many venues and the pool of precollege chemistry instructors that are already contributing is relatively small.

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NSTA Activities

Sun, 04/14/2013 - 20:14 -- Deanna Cullen
Avogadro @ NSTA 2013

At NSTA (in beautiful San Antonio, Texas), this past week, I shared activities designed to explore three levels of representation AND provide formative assessment techniques to reveal student misconceptions. All of the activities shared have been featured in the Journal of Chemical Education or have been linked to research articles in JCE as supporting information.

 

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Stoichiometry Resources

Mon, 02/18/2013 - 12:45 -- Deanna Cullen
Limiting PhET

Moles, mole ratios and stoichiometry have been frustrating topics for many of my chemistry students. The MOLE and Avogadro’s number get tangled up in other Chemistry jargon and students have stared at me like I am speaking another language. I have been around long enough to know this is a problem that many of us have faced. I have tried many ideas that have helped and I want to share a few. 

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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.

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Adding Inquiry to Atomic Theory

Sun, 10/07/2012 - 20:53 -- Deanna Cullen
spectrophotometer

Having some experience in using and creating inquiry activities, I am getting questions from teachers looking for ways to add inquiry to their curriculum. My first tip is to take baby steps. I will continue to blog about ideas to help outline some of those steps. First, I am sharing some inquiry ideas from the last unit I taught in my high school general chemistry course along with providing some ideas for using the resources provided with a subscription to ChemEdX.

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First Week Excitement

Tue, 07/17/2012 - 18:33 -- Deanna Cullen

I love the first week of school! I perform some of my favorite demonstrations and we jump right into activities that help to jumpstart the year and excite students about where we are headed. I am in the process of uploading many of those activities. I will list them here and you can check them out.

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BCCE 2012

Wed, 06/20/2012 - 12:38 -- Deanna Cullen
BCCE 2012

BCCE 2012 is just around the corner at Penn State University. Opening ceremonies begin on July 29th and the conference runs through August 2nd.

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