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Atoms-8-26-11 - Atoms Lynn A Melton University of Texas at...

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08-26-11 1 Atoms! Lynn A. Melton University of Texas at Dallas August 26, 2011
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Learning Chemistry Should we start with observations (facts)? But then how do we help students connect the facts? Should we start with theories and calculations? Students would be able to connect facts, but they will have a hard time doing “chemistry”. 08-26-11 2
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Learning Chemistry Mount McChemley 08-26-11 3 One axis is theory, the other is facts.
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Learning Chemistry Mount McChemley 08-26-11 4 Experienced hikers will tell you that the best way to hike such a mountain is to zig-zag up the nose, and that is what we are going to do.
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Learning Chemistry Mount McChemley 08-26-11 5 For those of you who have a lot of experience – and good skills – with the theory/ symbols/algebra approach to learning chemistry, please bear with me. I assure you that a lot of T/S/A will come!
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08-26-11 6 Why did we make tinkertoy cars? Fundamental Concepts of Chemistry 1. Atoms 2. Bonding/Molecules/Reactions 3. Structure/Properties Activity of molecule derives from its structure
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08-26-11 7 Some Fundamental Skills you will need Ability to work with models ”Think Like a Chemist”
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08-26-11 8 #1 Models A model is a step on the staircase of understanding
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08-26-11 9 #1 Models Working scientists use many of the steps. They use the simplest model that works, since the higher steps generally require more complex mathematics.
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08-26-11 10 #1 Models Models are generally not completely “true”. They generally explains some things well and other things poorly.
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