In this worksheet activity, students are introduced to the concept of flux, in particular electric flux. The aim of the activity is to prepare for future learning by having students recognize important features and having them pay attention to the relation between the field lines and the area. Students will observe 6 scenarios given of rain falling on a house (the angle/number of the windows varies as does the angle of the rain). Students will then be asked in-class to invent one equation using words that describes how much rain would end up in each house for all six cases. The instructor follows up with a discussion of the equation, which can be viewed as an example of flux. Then the concepts of area vector and electric flux are introduced drawing on analogies with the rainfall example. This activity benefits students as it gives them analogies to instinctually understand the more abstract Gauss’ law.
Students will be able to:
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