As the site notes, the Shedd Educational Adventures "contains a treasure trove of aquatic science resources for K-12 teachers and students." And it certainly does. The three main groupings of materials offered here include Lesson Plans, Interactives, and Explorer's Guides. In all, there must be hundreds of resources, searchable by both grade (pre-K through 12) and by topic. As an added bonus, the...

Part of the larger Water on the Web project, the Understanding Lake Ecology site links the University of Minnesota with industry, community and tribal groups, Minnesota's high schools, community colleges, technical colleges, and natural resource and regulatory agencies. The extensive site contains information on the basics of physical, chemical, and biological properties of lakes, and processes...