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Bruce Palmquist Central Washington University 2012 WA AAPT Workshop

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What’s PhET Work on E Field relationship activityactivity Briefly review V, E, and r relationships activityactivity How to create your own investigative assignment Briefly review H atom activityactivity Start planning your own investigation (If time: share your idea) Today’s presentation at

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Two main goals of PhET simulations ◦ Increase student interest ◦ Improve student learning The animated, interactive and game-like environments help students learn through exploration Can be used as an interactive demonstration, homework, confirmation lab activity, hypothesis testing activity

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Open the Charges and Fields SimSim Do the initial exploration (first 2 bullet points) Complete hypothesis 1 and 3 (note If, then, because format) Gather the data for hypothesis 1 and 3

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1. Point charge -2 -1.8 Line of charges -1 Beside a “narrow” dipole -3 Above a “narrow” dipole -3 -2.9

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Similar activity for electric potential using the same simactivitysim Key to developing an effective activity: use student or peer feedbackpeer

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First look to see what has already been developed at the bottom of the pagepage Play with the activity and determine which parameters can be manipulated Of those, determine which have a measurable response If the sim is complex, have a short exploration task before asking students to hypothesize Make sure students develop a hypothesis before doing the experiment Students should formulate their own conclusion and relate it back to the hypothesis

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Developing a model of the H atomatom Students make a prediction, run a simple “experiment”, and compare Then, they develop a model of the H atom and compare to 6 standard models Used to teach the science process in a non-science honors class

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Find a PhET simulation that fits in your curriculum Play with the activity and determine which parameters can be manipulated Determine which have a measurable response Develop a short exploration, if needed Insert the hypothesis-making step in the appropriate place Optional: Submit your wonderful new activity to PhET and get a gold starstar

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C. E. Wieman, K. K. Perkins, “A powerful tool for teaching science,” Nature Physics 2, (May 2006). C. E. Wieman, K. K. Perkins, and W. K. Adams, “Oersted Medal Lecture 2007: Interactive simulations for teaching physics: What works, what doesn’t, and why,” Am. J. Phys. 76, (April/May 2008).

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