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Comet Program Video Library
Java Simulations
Severe Weather Forecasting Exercise
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Cool Clouds
Partnerships to Advance Learning in Science Developing, Implementing, and Sharing Constructivist Learning Resources
Welcome to PALS!
The PALS server is a resource for educators everywhere. Many constructivist resources are currently being developed on this website and some of them are being implemented in classes at Iowa State University. Please contact us if you have comments or suggestions.

Partnerships to Advance Learning in Science
Dr. Douglas Yarger - program coordinator
ISU Agronomy Building
Ames, Iowa 50011, USA
Tel: (515)-294-9872
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