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whitepapers:narratives:ptchargeshort 2012/07/08 14:39 whitepapers:narratives:ptchargeshort 2014/07/23 16:42 current
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====Using a White Board to Clarify a Student’s Thinking [01:07:35.01] - [01:09:36.07]==== ====Using a White Board to Clarify a Student’s Thinking [01:07:35.01] - [01:09:36.07]====
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====Example of Using a Small White Board to Clarify a Student’s Question [01:15:25.12]- [01:17:14.02]==== ====Example of Using a Small White Board to Clarify a Student’s Question [01:15:25.12]- [01:17:14.02]====
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After the class had come to agreement on an appropriate expression for the electrostatic potential due to a point charge, \$V= k Q/r\$, Corrine initiated a discussion about the meaning of \$r\$, what distance was it representing?  Speaking with hesitation expressed as a question, a student offered a more nuanced expression for the distance between the charge and the probe: After the class had come to agreement on an appropriate expression for the electrostatic potential due to a point charge, \$V= k Q/r\$, Corrine initiated a discussion about the meaning of \$r\$, what distance was it representing?  Speaking with hesitation expressed as a question, a student offered a more nuanced expression for the distance between the charge and the probe:

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