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Lesson summary for:
Not Just a Theory


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Students engage in an activity that clarifies the scientific meaning of the term theory.

UC Museum of Paleontology

Grade level:

10 to 15 minutes.

Teaching tips:
This straightforward activity is a good one for the first day of class.

Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Accepted scientific theories are not tenuous; they must survive rigorous testing and be supported by multiple lines of evidence to be accepted. (NOS2, NOS4)

Teacher background:

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