Reflection: Student Grouping Power Run - Section 4: Power Run Activity


A typical Power Run - Student Work sample shows that the students provide well organized reports that display the full data set, calculations and a diagram labeled with important information such as the total height. I attribute this to the time invested in communicating expectations and the final report rubric which details how the students reports are to be graded. 

A typical power value is around 500 watts (which is about 0.75 horse power). Every year, there is usually one or two students who get close to producing 1 HP! One of the goals is to show that it is not necessarily the fastest time that produces to most power. The amount of potential energy change is significant in the power calculation and this student shows that it was not the fastest time which had the greatest power. 

  Student Grouping: Student Work on Report
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Power Run

Unit 3: Energy
Lesson 5 of 16

Objective: Students apply the concepts of work and power as they race up several flights of stairs.

Big Idea: Power, measured with the SI Unit of watts, is the rate at which energy is transferred into or out of an object or system and is measured using the formula P=W/t.

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