exam 1 review slides

exam 1 review slides - st 1 test Wed, Sept 20nd Bring: #2...

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1 st test Wed, Sept 20nd Bring: #2 pencil Photo ID Student ID# NetID ( usually 1 st part of e-mail ) Arrive early Sit every other seat. Neighbors should have different exams (colored booklets)
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Test Format 2 bonus questions (one short answer) 50 minutes
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Test Material Anything from lecture or readings is fair game ~80% of test from “Points to know” Mostly fact-based questions, some concept application
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Chapters from Book: 1, 2, 3, 4 Assigned Reading
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Chapter 1 Dredging the Hudson River Between 1946 and 1977 GE legally discharged over 1 million lbs of PCBs in the Hudson River. Production of PCBs was banned in 1976. The EPA ordered a $460 million dollar clean up project. Is dredging the best solution (as seepage of PCBs continue) or should we wait at let natural processes (like bacteria) clean up this mess (may take centuries).
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Chapter 1 The Scientific Process Scientific assumptions 1. The world is knowable - we can make sense of the processes that shape our environment. 2. Basic patterns that describe events are uniform in time and space. 3. If two equally plausible explanations exist, we should choose the simpler one - parsimony. 4. Change in knowledge is inevitable. 5. Science never provides absolute proof.
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Chapter 1 The Scientific Process Scientific design 1. Data must be reproducible 2. Experiments should be replicated 3. Experiments should only differ from a control by one thing at a time. 4. Types of experiments (thought, observational, manipulative): blind experiments avoid bias. 5. Experiments strive to be both accurate and precise.
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Chapter 1 The Scientific Process Reasoning 1. Deductive Reasoning : starts with a theory or general principle, makes predictions, tests those prediction. “top-down” 2. Inductive Reasoning : starts with an observation and then try to discover theory to explain those observations “bottom-up”
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exam 1 review slides - st 1 test Wed, Sept 20nd Bring: #2...

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