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Are Dams Forever?
Read the Fine Print
Educational Use
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Students learn that dams do not last forever. Similar to other human-made structures, such as roads and bridges, dams require regular maintenance and have a finite lifespan. Many dams built during the 1930-70s, an era of intensive dam construction, have an expected life of 50-100 years. Due to inadequate maintenance and/or for environmental reasons, some of these dams will fail or be removed in the next 50 years. The engineers with Splash Engineering have an ethical obligation to remind Thirsty County of the maintenance and lifespan concerns associated with its dam.

Subject:
Applied Science
Engineering
Hydrology
Physical Science
Material Type:
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Denali Lander
Denise W. Carlson
Jeff Lyng
Kristin Field
Date Added:
09/18/2014
The State We're In: Washington - Teacher Guide Chapter 9 - Civics and the Natural World
Unrestricted Use
CC BY
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Decisions our local, state, tribal, and federal governments make affect every forest, every mountain, and every lake and river. This is the teacher guide companion to The State We're In: Washington (Grade 3-5 Edition) Chapter 9. The resource is designed to engage students with a launch activity, focused notes, and a focused inquiry.

Subject:
History
U.S. History
Material Type:
Lesson
Author:
Leslie Heffernan
Kari Tally
Barbara Soots
Washington OSPI OER Project
Jerry Price
Date Added:
10/03/2021