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Questions to ponder
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Many classes start with a qualitative "question to ponder" for which the
answer is not obvious
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Example:
Consider a person standing in an elevator that is accelerating upward.
The upward normal force FN exerted by the elevator floor
on the person is
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larger than
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identical to
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smaller than
the downward weight FG of the person. |
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Let students discuss question, show of hands, then have a class discussion
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Adopted from SCALE-UP "ponderables" and Peer
Instruction ConcepTests
Quick hands-on activities
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Try to roll a ball in a curved path
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Lift a book or backpack
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Students physically involved with the learning
Computer activities with Physlets or GraphPAD
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