This website has a wealth of resources on North Carolina's estuaries including lesson plans, field guides, field trips opportunities, professional development opportunities and online water and weather data. Site also features EstuaryCam, a live shot of Beaufort Inlet. Downloadable video is available of lessons, events, and workshops. Full description.

This document provides a basic explanation of the process by which ozone in the stratosphere is destroyed by human-made gases (particularly chlorofluorocarbons) that have been released into the atmosphere. Additional material describes the research being conducted in Antarctica by the National Oceanic and Atmospheric Administration's (NOAA) Earth System Research Laboratory. Full description.

This collection of activities covers such topics as the greenhouse effect, the stratospheric ozone layer, filtration of incoming electromagnetic radiation, the formation of clouds, and measurement skills. Full description.

At this site, users can read a basic explanation of the greenhouse effect, which is accompanied by a diagram illustrtating the concept. Links to additional information and to related topics are included. Full description.

This collection of links to EPA information on atmospheric ozone depletion covers topics such as the causes of ozone depletion, possible effects of ultraviolet radiation and how to protect from it, information on chlorofluorocarbons in air conditioning systems and metered dose inhalers, and lists of ozone-depleting substances. Full description.

This basic explanation of the greenhouse effect is accompanied by a diagram. Full description.

This brief discussion of atmospheric ozone provides information on where this gas occurs, its harmful and beneficial effects, and the causes and possible consequences of the depletion of "good" ozone in the atmosphere. Full description.

This pdf document is a handout for the First Year Chemistry Program at Texas A&M University explaining what the Calibrated Peer Review (CPR) program and how it is used. It describes the use of the program and answers several frequently asked questions. CPR is a web-based program that enables frequent writing assignments even in large classes with limited instructional resources. CPR offers instructors ... Full description.

Virtual Dating teaching package contain exercises, questions and interactive diagrams describing absolute dating techniques used in geology. These interactive (Flash) online exercises that help students to use and understand decay curves. All questions must be answered correctly before the student can move on to the next set. Users will also find Virtual Dating Isochron and Virtual Dating Demonstration ... Full description.

This website contains information regarding ConcepTests. Users will find ConcepTest questions divided by course type, advice on using and writing ConcepTests, links to ConcepTest resources and a Quicktime video clip of an instructor using ConcepTests. Full description.