General

• BJ Pinchbeck's Homework Helper
  Includes links for general science, anatomy, biology, plants, chemistry, dinosaurs, earth science, insects, medicine, weather, physics, space, animals and science fair projects.
• KidsClick! Science & Math
  Includes animals, disasters, space, environment, weather, experiments, rocks, biographies and more.
• Yahoo! Kids Science
  Find links to computer science, experiments, nature, the solar system and much more; includes picture, sound and video links.

Science Fair

• Experimental Science Projects
  Start with this Introductory Level Guide and find out about information gathering, making a hypothesis, procedures, etc. Or go to the Intermediate Level Guide for more details about the experimental scientific method and steps involved.
• KidsClick! Science Experiments
  There are links here to many websites for grades 3 and up, offering a variety of experiments.
• Science Fair Central
  Includes 250 project ideas, tip sheets, links to "how-to" sites, definitions and more.
• Science Fair Project Resource Guide
  Everything you need including choosing a topic, the scientific method, displaying your project, and tools and research.
• Yahoo! Kids Experiments and Activities
  Links to sites on biology, chemistry, energy, machines, physics, weather, edible experiments, and general science fair information.

Animals

• ARKive
  A unique collection of thousands of videos, images and fact-files illustrating the world's species; explore and search ARKive's continually expanding multi-media collection.
• Great Web Sites for Kids - Animals
  Includes links to wild animals, pets, zoos, etc.
• KidsClick! Animals
  Link to sites for general animals, specific animals, animal pictures, etc.
• Yahoo! Kids Animals
  Huge list of animal sites, including pictures, sounds and videos.

Space

• Amazing Space
  Try online explorations, get news from the Hubble Telescope, and check out the info for stargazers.
• KidsClick! Space
  Includes links for planets, spacecraft, stars, NASA -- even Star Trek and Star Wars!
• The Space Place
  NASA's page for kids includes games, animations, projects, and amazing facts about Earth, space and technology.
• Yahoo! Kids Space
  Web sites all about astronomy and space -- some are filled with information, some are just for fun.

Famous Scientists

• KidsClick! Scientists' Biographies
  Many links to biographies of scientists.
• World of Scientific Biography
  Search for scientists by name, branch of science, gender/minority status, historical periods, nationality or prize winners.