US Environmental Protection Agency
Aquifer in a Cup
Young scientists create their very own aquifers in this science lesson on ground water. After learning about how some people get their drinking water from underground wells, young learners use sand, modeling clay, and aquarium rocks to...
Federal Reserve Bank
Why Scarce Resources Are Sometimes Unemployed
Why do markets operate inefficiently when the world's resources are so limited? Review the various types of unemployment that exist and why some resources, especially human resources, go unused.
Education Outside
Papermaking
Imagine recycling food scraps and using them to make paper. The directions are all here in a seven-page packet that details several paper-making strategies.
Stanford University
Pullman Strike
History is ironic, isn't it? In the Pullman strike, federal power thought to protect citizens was used to break the union. What started as a quest for better wages and benefits during an economic crisis was crushed through violence and...
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