LEQ:%20How%20do%20scientists%20solve%20problems?

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LEQ How do scientists solve problems?

• Reading 1.3, 17.1 quiz tomorrow lab due mon
• Flat soled shoes tomorrow
• Activator evidence
• Does the Ivory-billed woodpecker species still
  exist?
• Key terms hypothesis, theory,

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Science assumes that we can understand the
natural world by gathering evidence.

• Observation
• experimentation

• Mathematical modeling

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Science gathers evidence of a tentative nature
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A universal standard for performing an act of
science does not exist

• Universal principles
• reasoning inference
• testing explanations

• replication
• peer review (in)validation

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Experimentation can demonstrate cause and effect

• Hypotheses are testable explanations that define
  relationships related to observation
• Experiments

• Independent variables are manipulated (changed).
• Dependent variables are observed and measured.

• Constants are conditions that are kept the same.

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A theory explains a wide range of observations

• Theories can change based on new evidence.
• Methods
• Model-building
• Social activity
• elegant ideas, W C
• Evolving ways of knowing
• Q was W Cs work an
• act of science?

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• DNAs essential role in reproduction and
  development was later confirmed through
  experimentation

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Summary

• Critique the following statement Scientific
  knowledge comes from testing theories by
  logically deducing hypotheses from them, using
  experiment and careful observation to test the
  hypotheses, and revising theories that lead to
  incorrect predictions.
• Can values be learned from science? Why or why
  not?

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• When you get something really small.everything
  starts to change. They offer new properties and
  you end up making different structures you never
  thought of before. Rich Robinson