This program provides scientific research and assessment to evaluate the effects of atmospheric deposition on aquatic and terrestrial ecosystems. A clickable map depicts locations of acid rain monitoring stations by state. This site also contains reports presenting data on acid rain trends and monitoring efforts as well as research performed on acid rain accumulation values. Information is also available ... Full description.

This module on measuring nitrates and their effects on water quality is from a larger series on water quality investigations. It provides background information on nitrates and how it affects water quality. It also contains both a pre-test and post-test, a laboratory investigation, and a self-study game. The purpose of the site is to help students understand the sources of nitrates and the role that ... Full description.

This module on measuring temperature and its effects on water quality is from a larger series on water quality investigations. The purpose of the site is to help students recognize that temperature can affect the organisms that live in water, describe the factors that can change the temperature of a body of water, and how to measure, graph, and interpret the effects of temperature on fish. It provides ... Full description.

Visitors to the ImageBank can view and download photographs, remote imagery, and slide shows. The images are related to earth and space science topics such as dinosaurs, earthquakes, volcanoes, rocks and minerals, mining and petroleum, groundwater, planets and astronomical phenomena, and others. The site contains thousands of images and is searchable by category, continent, country, or keyword. A ... Full description.

This slide show explores the threats to the Chinook salmon population in the Stillaguamish River watershed of Snohomish County, Washington. Topics include the status of the present population, factors contributing to the decline of the population, habitat needs for healthy salmon, and steps that are necessary for the recovery of the population. Full description.

The Federal Emergency Management Agency (FEMA) deals with natural hazards such as hurricanes, floods, national security matters, winter storms, etc. in a non-threatening scientifc and fun manner for children. The site includes animations, videos, games, quizzes and questions areas that address hazardous situations that children may face at any given time. Full description.

This community education initiative supports the efforts of Native American tribal leaders, educators, and students to develop contemporary, scientifically accurate, and culturally sensitive water education resources, programs, and networking opportunities. A traveling exhibit provides a Native American point of view on protection and conservation of water resources. A teachers' guide is provided ... Full description.

This tactile experience aims to enhance or assess the students? knowledge of the characteristics of comets. After engaging in some opportunities to gather background knowledge about comets through readings and online interactives, students will reach into a series of boxes with their hands (without looking) and feel different types of materials. Then students will describe what characteristic of a ... Full description.

This building-wide science enrichment program consists of a series of posters and accompanying questions designed to pique student interest in science concepts and their application to the world in which we live. Accompanying each poster are question sheets of increasing difficulty levels that students answer and submit at a designated location (collection box, office, etc.). Random prize drawings ... Full description.

This teacher resource on astrobiology and life in extreme environments contains classroom activities, presentation-ready slideshows with scripts and many other resources. It shows how NASA research on microbial life on Earth helps identify possible signs of life on Martian meteorites. Full description.