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Knows that scientific explanations use evidence and logically consistent arguments to propose, modify or elaborate principles, models and theories in science; the scientific community accepts and uses such explanations until displaced by better scientificexplanations; when the latter occurs, science advances.

It's Raining Cats and Dogs...and Fish and Frogs...and Birds

Using a recent event, this example illustrates some useful attributes of the nature of science and its approach to questions.

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Earth Turns? Prove It!

We are all told that the Earth turns and we accept that. But an actual demonstration of how scientists proved this can have lasting impact on the acceptance of this authoritative statement and also on how students judge other authoritative statements for themselves, scientific or otherwise. Satisfying oneself that Earth does actually rotate shows what can be done to encourage such thinking.

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