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Physics

Physics.org - A guide to physics on the internet Searchable database of physics resources from the Institute of Physics

Physics 2000 An interactive journey through modern physics. Have fun learning visually and conceptually about 20th century science and high-tech devices.

Physics Central Find out how physics is part of your world. We answer your questions on how things work and keep you informed with daily updates on physics in the news.

The Physics Classroom Tutorials and practice exercises for high school physics. Includes animations, diagrams, and multimedia examples.

PhysicsWeb PhysicsWeb, The web site for physicists,  online products and services.

The American Institute of Physics -- Physics Publications and Resources Has a mission to preserve and make known the history of modern physics and allied sciences including astronomy, geophysics and optics.

Chemistry

Chemistry: WebElements Periodic Table This is the home page of WebElements, chemistry's periodic table (periodic chart) of the elements on the World-Wide Web. Find information about elements

General Chemistry Online: Home Rich resource for students and teachers of introductory chemistry. Includes interactive course guides and tutorials, an exam survival guide,

chemistry.org: American Chemical Society chemistry.org is the online gateway to ACS resources, products, and services for members, chemists, scientists, chemical industry professionals, educators,

NIST Chemistry WebBook Database of organic chemistry compounds, organized by species. Contains chemical and physical property data on over 30000 compounds.

Chemistry Resources Web resources from Department of Chemistry and Biochemistry, University of California Los Angeles.

CHEM4KIDS.COM Chem4Kids.com! The web site that teaches the basics of chemistry to everyone! ... If you are looking for basic chemistry information, stay on this site.

Chemistry help Chemistry articles, homework help, demonstrations, news, periodic tables, educational resources, suppliers, and annotated links are presented.

Botany

Botany.com Encyclopedia of Plants, Gardening and Botanical Dictionary Includes a botanical dictionary, advice for gardeners, and a store selling plants.

World-Wide Web Virtual Library: Botany / Plant Biology (Biosciences) Collection of scholarly and research links for plant biology.

Intternet Directory for Botany an index to botanical information available on the Internet. It consists of two parts, an alphabetical directory and a categorical directory.

Zoology

University of Cambridge: Department of Zoology Details of teaching, research, the museum, and the libraries.

BiologyBrowser.org Thomson Biology Browser is a free database of biology resources and web links.

BIOSIS - Thomson Scientific Guide to internet resources and other related life sciences of interest to zoologists.

Zoology News from ScienceDaily Zoology. Full-text articles on animal life sciences. Read the latest research. Updated daily.

Geology

Geology.com - Earth Science News, Dictionary, Maps, Jobs & More Links to popular topics in Geology and other earth sciences, plus earth sciences journals, and university departments.

About Geology About Geology includes everything from outer space to the Earth's core, from the oldest fossils to the landslides and earthquakes of today.

Geography

Geography World A massive collection of links on all aspects of geography.

Geography Home Page THE starting place for exploring Geography, from your About.com Guide. Learn about all concepts of geography, find geographic information, maps, and more.

Geography Network Everyone's Guide to the Geography Network · GIS Day · My Wonderful World Of Special Interest NGS MapMachine · Storm Tracker · Pacific Disasters

GIS.com - Your Internet Guide to GIS Geography Matters, landscapes, borders, and populations experience changes

Astronomy

Astronomy News, Star Charts, Space Pictures Includes astronomy and space news, sky events, reprinted articles for the magazine, and astronomy and telescope resources.

Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation

Astronomy For Kids - KidsAstronomy.com Powerful and fun resource for kids, exploring astronomy and other space related topics. Play games, learn through interactive applications, and much more.

Astronomy Now Online UK Astronomy magazine offers current news and subscription information.

http://nineplanets.org

http://space.com

http://solarviews.com

http://seds.org