This site provides a non-mathematical introduction to the magnetism of the Earth, the Sun, the planets and their environments, following an historical thread. It is also available in French, Spanish, and German. Full description.

This non-mathematical, self-contained exposition of studies of the Earth's magnetic environment in space covers such topics as magnetism, electrons, eons and plasmas, the radiation belt, the sun and the solar wind, exploring earthspace, the dynamic magnetosphere, auroras, and interplanetary field lines. Many of the topics introduce the user to the related physics and astronomy, and are thus a useful ... Full description.

Surf Your Watershed is the Environmental Protection Agency's effort to provide a comprehensive center for geographically relevant information about drinking water regulations, drinking water publications, public water systems, ground water, and water quality and pollution issues. Resources include how to locate your watershed anywhere in the United States, state and tribal information, an index of ... Full description.

This module is designed to connect cutting edge NASA research with the teaching and learning of core science and mathematics concepts and skills while addressing state and national education standards. The process of science inquiry and the tools used to do research play a major role in all the lessons. Topics and research projects include Temperature Variations and Habitability, Modeling Hot and ... Full description.

This educational resource describes the science behind volcanoes and volcanic processes. Topics include volcanic environments, volcano landforms, eruption dynamics, eruption products, eruption types, historical eruptions, and planetary volcanism. There are two animations, over 250 images, eight interactive tests, and a volcano crossword puzzle. Full description.

The purpose of NASA's Earth Observatory is to provide a freely accessible publication on the Internet where the public can obtain new satellite imagery and scientific information about our home planet. The focus is on Earth's climate and environmental change. The site is divided into six main sections: Data and Images, Features, News, Reference, Missions, and Experiments. The Data and Images, Features, ... Full description.

The Earth Science Picture of the Day is an image archive that is hosted by the Universities Space Research Association in association with NASA's Goddard Space Flight Center with a record of entries beginning September 2000. Each image is accompanied by a descriptive text and links to relevant supporting websites. Keyword searching is provided. Browsing by related fields includes: agriculture, astronomy, ... Full description.

This web based story tells of Tutangiaq (nicknamed 2T), a Canada Goose, who flies across the remote state of Alaska looking for his family. As he flies, he tells children about this fascinating 49th state of the US. Children learn how Alaska was purchased from the Russians, and other amazing facts about the state. They compare Alaska to other states that they may be living in or visiting. 2T takes ... Full description.

This complete reference contains detailed information about recent lunar, solar, annular, and prenumbral eclipses. A map of the Earth with the totality path, time length, and Sun and Moon coordinates during the eclipse are provided for each event. A table of eclipses covers occurrences of solar and lunar events from 1951 to the year 3000. Information about time zones as well as phases of the Moon ... Full description.

This site, hosted by the Jet Propulsion Laboratory (JPL), contains NASA's best solar system images. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, and other objects all have entries sorted by the spacecraft that took the photo. The site is searchable by date, feature name, ID number, or spacecraft. Each image contains a small description and credits. Full description.