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L04 Scientific Inquiry

L04 Scientific Inquiry - L04 Geol 107 What Is Science from...

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L04 Geol 107 8/29/2011 1 What Is Science? from the Latin scientia , 'knowledge' How do scientists think? Scientists seek universal truths Scientific truth is testable, repeatable Knowledge What you accept as sufficiently "real" to allow you to take action upon and thereby live your life. Belief Knowledge and Research Knowledge Belief Knowledge Knowledge about the world is inherent and unique in each human being. attained by individual revelation a personal belief that is not observable by others a personal belief that is not observable by others. Feelings as an example Research Knowledge A way of gathering of knowledge that is not individual, but universal. observable and measurable by multiple humans i e repeatable i.e. repeatable Follows a protocol Ͳ sometimes called the Scientific Method Watch Carl Sagan video (8 mins) Carl Sagan on the birth of science http://www.youtube.com/watch?v= Ͳ f f b fRV5gfZAbw It is a well told example of some everyday observations made by early scientists and also discusses the quashing of scientific ideas.
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L04 Geol 107 8/29/2011 2 Theories and hypotheses A theory is a conceptual framework that explains existing facts and predicts new ones. h h i i i h h h A hypothesis is a tentative theory that has not yet been fully tested. Prove/Proof We don t prove a theory or hypothesis, we try to falsify it. d h h i i d h h A good hypothesis is presented so that there is some experiment or possible discovery that could falsify it.
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