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The Nature of Science

Delve into the core concepts of science, from hypothesis to theory to law. Understand the semantics and application in various fields. Explore the Schoolhouse Rock version of Science and the importance of experimentation.

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The Nature of Science

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Presentation Transcript

  1. The Nature of Science Introductory Microbiology

  2. What does Science mean to you?

  3. Is this the process of Science to you?

  4. We make a Hypothesis to explain observations.

  5. Repeated experiments support our Hypothesis so it becomes a Theory

  6. Further experiments prove our Theory true and it becomes a Law.

  7. I have a name for this…

  8. The Schoolhouse Rock version of Science.

  9. Science isn’t taught like other subjects…

  10. So students get stuck in the rote-memorization rut.

  11. So what is wrong with that?

  12. The problem is one of semantics

  13. Define the word Apocalypse

  14. Most of you go with this…

  15. However, if you were a theologian, you would get…

  16. Then how does Science work?

  17. What is a Hypothesis?

  18. “An Educated Guess” is too simplistic, you need to be more specific.

  19. A Scientific Hypothesis has several features.

  20. It must be experimentally testable.

  21. It seeks to explain how a phenomenon works.

  22. It predicts unknown results.

  23. Likewise, a Scientific Theory is often misunderstood

  24. Theories are NOT proven

  25. Theories are hypotheses that have been expanded into general models of a phenomenon.

  26. Theories are supported but falsifiable

  27. Theories allow for the generation of new hypotheses.

  28. A Scientific Law is probably the most misunderstood.

  29. Laws are a distillation of repeated observations

  30. Laws differ from theories in that they DO NOT posit explanations

  31. Often Laws can be described as Mathematical Equations

  32. The Big Picture

  33. Theory Repeated experimentation And testing allows expansion And generalization Allows the formation of New Hypotheses Hypothesis A posited model to explain the phenomenon Observed Phenomenon A description, often mathematical Law

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