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This virtual lab from the Genetic Science Learning Center at the University of Utah provides an overview of DNA extraction, including what it's used for, illustrations, and an activity using cheek cells and laboratory equipment to isolate DNA. The lab is followed by a classroom activity that allows...

This University of California Sustainable Agriculture Research and Education Program provides several links to articles on earthworms. These describe the earthworm's importance to ecosystems and agriculture. There is also a section with species profiles of various types of earthworms.

This site provides a comparison of typical and more informative circuit diagrams. "Most electronic circuit diagrams leave off some of the most important connections." This site show a typical diagram and then a more complete diagram that shows common missing wires. 

Lesson Description: This lesson is from a welding course and is provided by the Contextualize to Learn project at the University of Wisconsin-Madison. During the lesson, students create a bill of materials including detailed part weight. Topics include calculating weights based on per foot weight...

Students will discover the relationship between biofuel crop production and invertebrate biodiversity in these field investigations as well as the "effects those organisms have on pollination rates and weed seed predation." Instructors will have the option to choose from six field-sampling methods...

This webpage, provided by the Foundation for Water & Energy Education, provides information regarding the use of water as a renewable energy resource in the Pacific Northwest region of the United States.  The foundation includes various curricula focused on the topic of hydropower for use in the...

This reference sheet, presented by the National Nanotechnology Coordinated Infrastructure, provides valuable information on genetics and cell division for high school students studying these topics. The sheet includes diagrams of DNA molecules, information on the genetic code for amino acids, both a...

This web site contains  free information on green building, especially natural building. Viewers can send questions to green building experts through this site. The site is maintained by Kelly and Rosana Hart, with their primary focus being sustainable architecture. Details on vernacular...

Course Description: This course, developed by the Unmanned Aircraft Systems Technology Education Consortium (UASTEC) at Del Mar College, covers the fundamentals of digital mapping with Unmanned Aircraft Systems (UAS). "The course cover[s] the full spectrum of UAS mapping from survey design to...

This lab, presented by the National Nanotechnology Coordinated Infrastructure, covers the concept of measurement on the nanoscale. During this exercise, students will learn about the size of a nanometer, converting between nanometers and other units of length, and giving examples of real life...