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Science

Science. A way of figuring out the natural world. Galileo. Darwin. Copernicus. Science. A way to answer questions. Search for TRUTH. Facts, laws, reasons things happen the way they happen. INDIVIDUALS (Humans) answering questions for themselves. Science.

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Science

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  1. Science A way of figuring out the natural world.

  2. Galileo Darwin Copernicus Science • A way to answer questions. • Search for TRUTH. • Facts, laws, reasons things happen the way they happen. • INDIVIDUALS (Humans) answering questions for themselves.

  3. Science • Subjective Reasoning (Subjectivity) • We each view things slightly differently. • How we interpret answers is subject to our preconceived ideas. • Unavoidable • Objective Reasoning (Objectivity) • See things as they TRULY are. • As little bias or preconception as possible • Avoid bringing our opinion into the answer.

  4. A method for answering questions as objectively as possible…step by step: Observation Question Hypothesis Prediction Experiment Revision Conclusion Scientific Method

  5. Science • Descriptive • Careful Observation  Collection of DATA. • Qualitative Data (observations) • Quantitative Data (numbers) • Inductive Logic • Specific observations 1st Leading to • Broad Generalizations & Predictions

  6. Science • Hypothesis-Based • Explanations for Why? & How? • Hypotheses = tentative answers for a ? • Testable • Repeatable • Falsifiable • Often, several alternate hypotheses are forwarded • Deductive Logic • General Ideas 1st Leading to • Specific Instances & Predictions

  7. Hypothesis Testing =Scientific Experiments • As objective as possible. • Controlled • Control Group • Variable Group (Experimental Group) • Lend support to a hypothesis or • Refute a hypothesis

  8. Scientific Theories • “Theory” suggests that “it’s only speculation”. • NO! • In Science, Theory = Accepted Truth. • Supported by massive amounts of evidence – experimental evidence. • So far, has not been disproved.

  9. Scientific Models • Connects Theory with Reality. • Connects “Theoretical” with “Practical”. • Allows predictions by FITTING data.

  10. Scientific “Culture” • Information is shared with a community of scientists (who scrutinize & criticize & tear each new discovery apart!) • Publications • Presentations • Collaboration • Competition

  11. Science • Onward….to Evolution! Read…pp. 438-441

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