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Generators: Three Mile Island vs. Hoover Dam

(Complete Item Description)

Abstract:: Students are given a history of electricity and its development into the modern age lifeline upon which we so depend. The methods of power generation are introduced, and further discussion of each technology's pros and cons follows.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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Hoover Dam and Hydroelectric Power

(Complete Item Description)

Abstract:: How does a dam generate electricity and what are the environmental impacts of operating these mammoth structures? Find out in this video segment adapted from Building Big.

Subject:: Science and Technology
Grade Level:: Primary, Secondary
Collection:: Teachers' Domain

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Powering the U.S.

(Complete Item Description)

Abstract:: This lesson provides students with an overview of the electric power industry in the United States. Students also become familiar with the environmental impacts associated with a variety of energy sources.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
SubTopics:: Energy
Collection:: TeachEngineering

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A River Ran Through It

(Complete Item Description)

Abstract:: Students learn how water is used to generate electricity. They investigate water's potential-to-kinetic energy transformation in hands-on activities about falling water and waterwheels. During the activities, they take measurements, calculate averages and graph results. Students also learn the history of the waterwheel and how engineers use water turbines in hydroelectric power plants today. They discover the advantages and disadvantages of hydroelectric power. In a literacy activity, students learn and write about an innovative new hydro-electrical power generation technology.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
SubTopics:: Energy , Water
Collection:: TeachEngineering

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Waterwheel Work

(Complete Item Description)

Abstract:: Students learn the history of the waterwheel and common uses for water turbines today. They explore kinetic energy by creating their own experimental waterwheel from a two-liter plastic bottle. They investigate the transformations of energy involved in turning the blades of a hydro-turbine into work, and experiment with how weight affects the rotational rate of the waterwheel. Students also discuss and explore the characteristics of hydroelectric plants.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary
SubTopics:: Energy , Water , Green Building and Design
Collection:: TeachEngineering

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Win that Bid! Selling Your Power Solution

(Complete Item Description)

Abstract:: A large part of engineering involves presenting products, concepts, and proposals to others in order to gain approval, funding, contracts, etc. The purpose of this activity is to fine-tune students' presentation skills while allowing them to independently investigate one type of power production to meet the needs of their region of choice. Students also learn problem solving skills in examining the advantages and disadvantages of particular methods of power generation.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
SubTopics:: Energy
Collection:: TeachEngineering

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Work and Power: Waterwheel

(Complete Item Description)

Abstract:: Investigating a waterwheel illustrates to students the physical properties of energy. They learn that the concept of work, force acting over a distance, differs from power, which is defined as force acting over a distance over some period of time. Students create a model waterwheel and use it to calculate the amount of power produced and work done.

Subject:: Mathematics and Statistics, Science and Technology
Grade Level:: Primary, Secondary
Collection:: TeachEngineering

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