Animals and Plants

• Animal Bytes
  Search for animals by category, habitat, or location.
• Endangered Species
  Lists of endangered species by state and more.
• Kids for Trees
  Learn all about trees. Student and teacher guides.

Computers

• Computer Lessons for Kids and Small Adults
  Learn how computers work and how to use them.
• Welcome to the Web
  Activities and worksheets to teach you how to use the Internet for fun or research.

Earth and Space

• NASA - Kids' Main Page
  Space art and activities for kids.
• Planet Pals
  Helps users learn about and take care of the earth.
• The World's Biomes
  A concise look at the world's biomes.
• Environmental Kids Club
  Includes such topics as recycling, water conservation, plants, and animals.
• Volcano Live
  Breaking news, photos, safety tips, and other information about volcanoes on Earth and other planets.
• Weather Channel Kids
  Current weather conditions and forecasts. Information on many weather-related topics.
• Zoom Inventors and Inventions
  Adhesive tape, aerosol spray, and Archimedes, and that's just from "A"! Inventors and inventions listed from A to Z.

Fun Facts

• Chem 4 Kids
  Explore matter, elements, reactions, and atoms in this user-friendly environment.
• Edventures Term Browser
  Look up science and math terms.
• Sport Science
  An interactive online series that features baseball, cycling, skateboarding, and hockey.
• The Why Files (Applied Science)
  The science behind the news you see and hear every day.

Health

• Gray's Anatomy of the Human Body
  1,247 engravings - many in color - from the classic publication, as well as a subject index with 13,000 entries.
• KidsHealth
  Everything a kid needs to know about physical and mental health and how to deal with illness and stay healthy.

Projects and Experiments

• Experiments and Science Fair Projects
  Lots of experiments and science projects.
• Hunkin's Experiments
  Cool cartoons that will have you experimenting with food, light, sound, clothes, and a whole lot more.

Time and Calendars

• A Walk Through Time
  Learn about the evolution of time.
• Calendars Through the Ages
  History and Frequently Asked Questions about calendars, from ancient Rome to outer space.
• U.S. and World Population Clocks
  Estimates of the United States and world populations.