Lecture 2 - CHM 115-T If you did not attend lecture on...

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CHM 115-T If you did not attend lecture on Monday, get a course packet for CHM 115-T from BRWN 1144 and read it. Web site: http://www.chem.purdue.edu/chm115/ OWL: http://owl.thomsonlearning.com
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For Next Lecture Review sections: section 1.6, pp. 25-32 section 1.8, pp. 38-42 section 2.3-2.5, pp. 69-76 section 3.3, pp. 103-107 section 3.5, pp. 116-119 section 12.3, pp. 557-561
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Lecture 2 Models: How does science come up with them? How are they tested? Today we will talk about these questions in the context of climate change
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The Origin of Models Where do models come from? Are they self- evident? No, they are based on observation . In the scientific process Observe Hypothesize Experiment Model Observing is the key to the rest What is the best way to observe what’s around us?
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Long-term Climate Change
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Question True or False: The climate 17,000 years ago in Indiana is much the same as it is today? A.True B.False
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Check the Details! Before we can answer the question, we have to agree on what we mean by “climate.” It is not uncommon to mistake “weather” for “climate” Weather pertains to occurrences from hour to hour, or day to day, in a specific location. Climate pertains to average weather over an extended period of time, in a specific region or on a larger scale. Climate can correspond to averages over a season, year, or century and over a county, state, country, or the globe.
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When scientists talk about “climate”
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This note was uploaded on 10/24/2011 for the course CHEM 116 taught by Professor Stevenson during the Spring '08 term at Purdue University-West Lafayette.

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Lecture 2 - CHM 115-T If you did not attend lecture on...

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