Ocean chemistry, particularly the carbon cycle, is featured in text and illustrations, with quantitative graphics and a lab demonstration. Graphics include the global carbon cycle from 1980-1989, annual carbon dioxide flux, ocean chlorophyll concentration east of Buenos Aires, and a cartoon showing upwelling of nutrients. Full description.

The ILEC promotes sustainable management of the world's lakes and reservoirs. This site offers information and links to training programs, conferences and publications that address the health and status of lakes around the world. The World Lake Database provides an alphabetical listing of lakes around the world. Data is provided for various parameters from size and area to water quality. An on-line ... Full description.

Estuaries have physical traits, and scientists use a variety of measurements such as water depth, salinity, and current speed to describe an estuary. This site describes the various measurements that make up the physical properties of an estuary, using Narragansett Bay as an example. Specific sections of this site focus on water chemistry (temperature, salinity, oxygen, chlorophyll a, and pH), circulation ... Full description.

This site is all about snow crystals and snowflakes. The many facets of snow crystals are described here, along with attempts to understand their formation. This site includes collections of super-high-resolution snow crystal photos, as well as links to learn about snow crystal classifications and how to make snow crystal fossils. Included in the study of how snow crystals form, these researchers ... Full description.

This computer-based lesson provides information on ocean currents, circulation and atmospheric influences. Several sections cover "drift" studies, including the famous Nike Tennis Shoe study. Each segment provides relevant information and gives students questions to answer. Incorrect responses result in more information. This unit is part of an on-line course in general oceanography offered at San ... Full description.

This site is based at Reading Memorial High School in Reading, MA. It features general information defining and describing vernal pools as a habitat type, including an illustrated cartoon series. Resources for educators and students include suggestions for classroom and field trip activities, examples of school projects, field guides, and teacher resources such as workshops. While this site contains ... Full description.

This site presents two case studies regarding the Wheeling Creek area of West Virginia. The scenario asks students to research problems and come up with answers to a ficticious local water board's concerns over water quality in the watershed. The site provides students with extensive, yet easy to understand background information on the following topics: Importance of Water, Water Cycle, Hydrosphere, ... Full description.

Know Your Watershed is a coordinated national effort to encourage the formation of local, voluntary watershed partnerships and help assure that these partnerships successfully attain their goals. This site provides a portal to a variety of information and resources related to watersheds. Links are provided to National and state watershed sites and sites that allow users to build a local watershed ... Full description.

This document describes the functions and values of wetlands, and includes keywords and illustrations. Wetlands have received wastewater discharges from many different situations in the past, but only recently have they been recognized as potentially cost-efficient treatment systems. They can effectively remove or convert large quantities of pollutants from point sources (municipal and industrial ... Full description.

This site was created by a group of fourteen students as a combined project between Utah State University's "Academic Adventures" and the Mount Logan Middle School "Celebrate Youth" Program as part of a class called "Take-it-Outside." It provides a good overview of wetlands at a level that is appropriate for young people and the general public. Individual sections cover types of wetlands, habitats, ... Full description.