PUBLIC MARKS with tags hsvt & environment

"Troubled Waters" is an authentic task dealing with different factors and how they change certain parameters in a river. Several of these parameters are dissolved oxygen, pH, nitrates, and fecal coliform bacteria. Students will be using the modeling tool STELLA. Students will run a river model, interpret graphs, and adjust a variable such as wind speed and sewage load to determine the effects on Dissolved oxygen levels.

Google Earth Outreach Showcase Many public-minded groups and individuals are using Google Earth to bring a valuable geographic context to their stories. These examples will show you what others have done with Earth, and hopefully get some ideas flowing for what you might be able to do yourself.

Welcome to the Encyclopedia of Earth, a new electronic reference about the Earth, its natural environments, and their interaction with society. The Encyclopedia is a free, fully searchable collection of articles written by scholars, professionals, educators, and experts who collaborate and review each other's work. The articles are written in non-technical language and will be useful to students, educators, scholars, professionals, as well as to the general public.

Links for Students & Teachers There are hundreds of environmental education websites. We've divided a few of the best ones here into three broad categories based on grade level. Almost all of them have links to additional websites, as well. Have fun exploring!