General
Bill Nye the Science Guy
Biography.com
Blue Web'n Science Page
Braindrops
Cornell Theory Center:  Math and Science Gateway  Provides links for grades 9-12.
Environmental Education Link on the Internet     Information about environmental issues
Explatorium
EPA   Office of Pollution Prevention and Toxics Home Page
Greenpeace  Latest news on the war on pollution.
Mad Scientist's Network
Museum of Science  Boston's Museum of Science has numerous online exhibits.
National Museum of Natural History/Smithsonian
National Science Foundation  News highlights from many different sciences are given.
Funderstanding   Physics and fun!
Science Learning Network
Science Search Engines
Sea World's Animal Information
Zoos and aquariums of the American Zoological Assn

Biology
Cells Alive     This website represents over 25 years of experience capturing film and computer-enhanced images of living cells and organisms for education and medical research.
ebiomedia.com  This biological tour lets students explore various animals.
Frog Dissection
 
 

Chemistry
Chemical Elements   An interactive Periodic Table of the element
Chemistry Elementistory   This Periodic Table gives only historical data related to the elements
Chemistry LANL Research Library
Chemistry WebElements Periodic Table
Hyper Chemistry On the Web!   The Periodic Table - information on the elements using an imagemap
Periodic Table of the Elements   Information on the elements
 

Weather
AccuWeather Partners   Local and national weather
Instacam  Watch the weather
The Olympian.com
WeatherNet Webelements    Information on the elements
 
 

Aquatic Science
Age of Aquariums   Discusses setups and gardens, plus gives an interactive photo gallery
Animal Network   Information about aquarium fish
AquaLink Aquaria Service   A free service dedicated to fishkeepers interested in freshwater and marine fish, aquatic plants, goldfish, reef systems, invertebrates and corals
Cathy's Homepage of Tropical Fishkeeping   Info.on setting up and maintaining a freshwater fish tank
Exotic Tropicals   Information and photos of marine animals, coral reefs, freshwater fish and reptiles
FishBase   Gives common and scientific names, provides photos and a fish forum
PetsMart.com   Answers questions about fish such as feeding, breeding, aquatic supplies
SaltwaterFish.com   Includes tank setup, fish species, corals, inverts, disease & treatment, shopping
Tropical Fish Store.Com   Information about and sale of tropical fish and aquarium systems
WhoZoo   Images and information about animals, including fish, at the Fort Worth Zoo
 

Health
American Cancer Society
American Medical Association
Centers for Disease Control   Statistics, travel
Food and Drug Administration
Health on the Net Foundation   International database
Mayo Clinic
Medline   World's largest medical database
Medscape   Searchable database of medical articles
Merck Medical Manual    The interactive version has great pictures and animations.
OncoLink   Cancer info from Univ. of Pennsylvania
@cor Oncology Resources   Association of Cancer Online Resources Home Page
Nat'l Cancer Institute CancerNet
National Center for Health Statistics    From the U.S. Dept. of Health and Human Services
National Institutes of Health
Nutrition, Diet, Food Labeling
The Virtual Hospital
Women's Health Hot Line Newsletter