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Hydroelectric (Water) Power

Readiness

Hydroelectric (Water) Power

TEKS Objective

Identify alternative energy resources such as wind, solar, hydroelectric, geothermal, and biofuels.


Essential Understanding

The student knows Earth's surface is constantly changing and consists of useful resources.

Science Background

Hydroelectric Power: tvakids.com (website) - Excellent information, provided through text and images, on hydroelectric energy.

Hydroelectric Power
tvakids.com

Hydropower: Energy Kids (website) - Pictures, text and animations help students to understand the sources of hydropower, the importance of energy created by moving water, and the impacts of harnessing waterpower.

Hydropower
Energy Kids, US Energy Information Agency, www.eia.gov

Signature Lesson

Energy from Water, Free for the Taking: tvakids.com (PDF) - Students identify waterpower as an alternative source of energy by building a model that demonstrates how moving water provides energy. (Find the activity on pages R-47 through R-54.)

Energy from Water, Free for the Taking
tvakids.com

Supporting Lessons

Water Works: Bureau of Land Management (website) - Students build and experiment with their own water wheels to learn how water can provide power to do work.

Water Works
Bureau of Land Management, www.blm.gov

Elaboration Lessons and Extensions

Renewable Energy and Sustainability: InfinitePower.org (PDF) - Students are introduced to the concept of renewable energy and investigate/discuss new ways of generating energy to help our planet become environmentally healthy.

Renewable Energy and Sustainability
www.InfinitePower.org

Hydro-Power: Energy Quest (website) - Students build a simple water turbine and observe how the potential energy of water can be harnessed to produce mechanical energy.

Hydro-Power
Energy Quest, California Energy Commission, www.energyquest.ca.gov

Assessment Ideas

Have students write persuasive newspaper editorials promoting the adoption and use of hydroelectric energy in the community. Students should defend their arguments by including information learned through all the lessons on alternative energy resources.

As a possible second step, hold a mock town hall meeting in which students advocate for different alternative energy sources. Structure the activity to suit the needs of your class. It could be a simple discussion, or an assignment for which students make posters and flyers, and dress in costume. In any case, have students discuss and debate various alternative energy sources. Conclude by holding a class vote to determine which type of alternative energy the town will adopt.

For a hands-on assessment, have students design their own water wheels using recycled materials.

Literature Connections

Hydroelectric Power, Sherman, Josepha. (ISBN: 0-7368-2472-3)

Water: Simple Experiments for Young Scientists. White, Larry (ISBN: 0-761-30090-2)

A Refreshing Look at Renewable Energy with Max Axiom, Super Scientist. Krohn, Katherine E. (ISBN-10: 1429639024)

Energy and Power. Harlow, Rosie and Morgan, Sally (ISBN: 0-753-45502-1)

Hydroelectric Power: Power from Moving Water (Energy Revolution). Roger, Marguerite (ISBN-10: 0778729346)

Hydroelectric Energy (Power Up!). Orr, Tamra B. (ISBN-10: 1602790493)

Related Science TEKS

(5.7D) Fossils
The student is expected to identify fossils as evidence of past living organisms and the nature of the environment at the time using models.

Related Math TEKS

5.10C   The student is expected to select and use appropriate units and formulas to measure length, perimeter, area, and volume.

5.11A The student is expected to solve problems involving changes in temperature.

5.11B   The student is expected to solve problems involving elapsed time.

5.12A The student is expected to use fractions to describe the results of an experiment.

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