02_Science08

02_Science08 - Announcements IB 105 16 January 2008 If you...

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Announcements – IB 105 16 January 2008 If you were not here Monday, please pick up a syllabus and survey. Turn in the survey for extra credit. If you are interested in receiving honors credit for this class, please pick up a handout. On Friday, we will have a guest lecture by Dr. Roger Payne, founder and President of the Ocean Alliance. Powerpoint for that lecture will be posted AFTER the lecture. Current event:http://www.chicagotribune.com/news/local/chi-lowlake_03jan03,0,1061239.story
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Basic Scientific Principles Lecture Objectives: 2. Discuss how to form and test hypotheses. 1. Outline the scientific method. 3. Learn the differences between a scientific hypothesis, theory and law. 4. Understand the limitations of science.
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Scientific Thinking Science A process used to solve problems or develop an understanding of nature that involves testing possible answers. Scientific Method Gaining information about the world by forming possible solutions to questions, followed by rigorous testing to determine if the proposed solutions are valid.
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Scientific Method Assumptions Specific causes for observed events. Causes can be identified. General rules can describe observations. Repeated events have same cause. Perceptions are not individualistic. Fundamental rules of nature are universal.
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Scientific Method
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Question — Usually a “what”, “how” or “why” question about the cause of the event. Observation — recording of an event that could be made by anyone with the proper equipment.
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be testable and falsifiable A good hypothesis will: take into account all known facts be as simple as possible Hypothesis — Logical statement that potentially explains an event, or answers a question. Blaustein and Johnson 2003
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- Observational experiment - Manipulative experiment Test Hypothesis 1. Devise an experiment.
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02_Science08 - Announcements IB 105 16 January 2008 If you...

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