Grade Level: 7 (6-8)
Choose From: 2 lessons and 2 activities
Subject Areas: Physical Science, Science and Technology
SummaryThe basic concepts of energy science—work, force, energy and power—and their relationships are explored in this unit. Students investigate the physical properties of energy through work and power and perform energy-related calculations and unit conversions. A hands-on model waterwheel activity engages students in learning how to calculate the amount of power produced and work done.
The fundamental physics concepts of work, force, energy and power are applied in many fields of engineering. Devices that mechanical engineers design to move, lift, push, and pull require energy to function, such as construction and agricultural equipment, elevators and escalators, and airplanes and rockets. An engineer must know how to calculate the power and energy needed to do the necessary work or provide the required heat.
Suggested activity order:
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Demos and activities in this lesson are intended to illustrate the basic concepts of energy science—work, force, energy, power etc., and the relationships among them.
tudents create a model waterwheel and use it to calculate the amount of power produced and work done.
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Last modified: January 19, 2021