This article from Elizabeth E. LeClair highlights a spatial reasoning exercise and the importance of spatial reasoning ability in many scientific disciplines. The author touches on her own pedagogical experience and how...

The Materials Science and Technology Teacher's Workshop (MAST) provides this activity for classes learning about diodes and electrical currents. The laboratory illustrates how diodes can be used to rectify alternating...

Based in Alaska, ABS Alaskan provides batteries, alternative energy and remote and power products. The site contains a Library link, where users can explore a basic power system diagram, visit the document download...

This lesson provides an introduction to the use of the sun's energy. Topics include the history of solar energy usage and its more recent adaptations. There is also discussion of how the sun produces and radiates energy,...

The USDA's National Agricultual Library provides access to a wide array of resources pertaining to alternative farming methods, including organic food production, sustainable agriculture, and community supported...