Amazing Space - a site to teach students about space that has excellent animated teaching visuals.

Arty the Part Time Astronaut - Allows children to enter a multimedia environment for exploring the planets.

Astronomy - a great link to the best astronomy sites on the WWW.

Beyond DiscoveryTM: The Path from Research to Human Benefit - project of the National Academy of Sciences to provide case studies that identify and trace origins of important recent technological and medical advances. Each case study reveals the crucial role played by basic science, the applications of which could not have been anticipated at the time the original research was conducted. Examples of projects include ozone depletion, human gene testing, polymers and people, and curing childhood leukemia.

The Biology Project: An online interactive resource for learning biology - provides information on biochemistry, cell biology, chemicals and human health, developmental biology, human biology, immunology, Mendelian genetics, and molecular biology.

Biomes of the World - provides information for students about the following biomes: rainforest, tundra, desert, taiga, temperate and grasslands.

Brain Pop - provides movies, information, and activities on health, science and technology for students.

Cells Alive - provides information, images, 3D animation, and video of viruses, parasites, and bacteria.

Children's Butterfly Page - provides a coloring page of the life cycle of a monarch butterfly, information about the life cycle of the moth and butterfly, a gallery of butterfly pictures, and additional resources.

Cool Science for Kids - the Howard Hughes Medical Institute provides a web page for students to explore biology.

Cornell Theory Center Math and Science Gateway - a collection of links to resources in mathematics and science for educators and students in grades 9-12

Desert Biome - links to information about what a desert is like,types of deserts, what causes deserts, desert plants, desert animals, deserts of the world and more.

Deserts: Geology and Resources Biome - the USGS provides information about desert features, how they form, mineral resources in deserts, types of deserts, and more.

Desert USA: The Ultimate Desert Resource - provides information about the Great Basin, Mohave, Chihuahuan and Sonoran deserts. It also includes information about desert life, parks, and Quicktime VR movies.

Discovery School: Physical Science - provides physical science lessons and activities for students in grades K-12.

Dole Foods 5-A-Day - provides nutrition information for young students, recipes, and material on the food pyramid.

Disaster Reference - provides reference materials to over 1000 articles on natural disasters. The database is maintained by the Earth Science Directorate, NASA Goddard Space Flight Center.

National Earthquake Information Center -provides current and general earthquake information and maps.

Eisenhower National Clearinghouse Science Topics - provides information and links about life science, earth and space science, physical science, careers, and more.

The Electronic Zoo - provides resource information about animals.

Elementary Science Activities - a collection of resources and activities for the elementary science classroom.

eNature Online Field Guides - a collection of pictures and information from the Audubon field guides with over 4800 plants and animals.

Eric Weisstein's Treasure Trove of Science - a collection of resources on astronomy, chemistry and more. It includes a biography of famous scientists.

The Exploratorium - provides electronic exhibits and resources for students and teachers from the Exploratorium in San Francisco.

Exploratorium's Learning Studio -provides cutting-edge multimedia resources that educators can integrate into their classrooms.

Environmental Education Homepage by the Bureau of Land Management - features teacher resources and information on the Sonoran Ecosystem, gold mining, noxious weeds, and riparian areas.

Frog Dissection Kit - an interactive frog dissection program.

Hands-on Science Centers Worldwide - provides links to public museums that have a strong emphasis on interactive science education.

Invention Dimension - provides resources for students and teachers about American inventors and their discoveries.

Kids Health - provides information and activities about feelings, illnesses, injuries, the body, growing up, kid's health problems and more.

Kids Go Wild - provides information and activities about animals and conservation efforts.

Live from Hubble Space Telescope - A NASA site about the Hubble Space Telescope that was specifically designed for teachers to use in the classroom. It has an image gallery, live video, Teachers Lounge, Kid's Corner, featured events, background information and more. It provides image processing lessons and allows students to research with the Hubble Telescope.

NASA Homepage - provides a wealth of information about NASA, including current events, history, gallery of photos, videos and audio, questions and answers, and more.

NASA Kids - provides information aimed at students about space, astronauts, earth, rockets, airplanes, and more.

The Nine Planets: A Multimedia Tour of the Solar System - provides text, images, sounds, and movies about the history, mythology, and scientific knowledge of each of the nine planets and moons.

Particle Adventure - allows students to explore the world of fundamental particles and forces and allows them to investigate experimental evidence and techniques.

Periodic Table - Los Alamos has the periodic table with links to each element and information on the history, sources, compounds, properties, uses, compounds, isotopes and handling of each element.

Science Fair Information - provides ideas and information about science fair projects.

Science Learning Network - contains science resources for K-8 teachers.

Science Lessons - a collection of science lessons arranged by grade level or subject for grades K-12.

Science Master - provides information and resources on the following science topics: space, earth, life, physical and more.

Science Nets - provides numerous resources on the following science topics: astronomy, biology, chemistry, paleontology, botany, zooology and more.

Science NetLinks - a comprehensive resources for K-12 science educators with lessons and activities categorized by grade level.

The Science Page - a large collection of science links for educators arranged by subject.

The Science Spot - provides lessons, daily trivia, scienc club activities, science resources and more.

Sea World Animal Information Database - provides good research information for students in elementary and middle school. The site has facts about animals, quizzes on animals, a photo index, career information and educational resources.

Solar System Live - click on Entire Solar System and you will get a graphical display of the current orbital location of every planet in the solar system. This sites allows you to change the time, date, viewpoint, observing location and orbital elements.

Views of the Solar System - an educational tour of the solar system with information and images about the sun, planets, moons, comets, asteroids, and meteoroids found within the solar system.

StarChild: A Learning Center for young astronomers - provides information on the solar system, universe, and space on two reading levels.

Volcano World - provides information about the volcanoes of the world, volcanic parks and mountains, current eruptions, and lessons on volcanoes.

Web Elements - an online periodic table with information and graphics on each element. Students can click on links that will present information orally using RealPlayer.

Whalenet - provides information on whales and whale research.

Who Dunnit - a site that introduces students to forensic science tools like fingerprinting, teeth impressions, identifying powders and examining bones. Students must solve a mock crime and use persuasive writing skills for the arrest of their culprit.

The Why Files - This site provides in-depth information about the science behind the headlines.

You Can With Beakman and Jax - a science site designed for students. The Yuckiest Site on the Internet - a great site for kids with information about the body, worms, cockroachs, bugs, and more.

Zoos: The WWW Virtual Library - provides links to commercial and private zoos, zoo related organizations and web pages, and links to animal pictures and sounds.