The Concord Consortium - STEAM projects and interactive science models
The National Science Digital Library - Search engine to find science, technology, engineering, and mathematics lessons and materials.
Teach Engineering - A catalog of science and engineering aligned lessons.
PhET - Interactive simulations for math & science
Ask a Biologist - Fantastic life science website filled with simulations, stories, animations, videos, and a way to connect with real life biologists!
Climate Kids - Offers kids clear answers to questions on global climate change through sections on weather, air, the ocean, fresh water, carbon, energy, plants and animals and technology. Includes educational games, activities, crafts, videos and information on green careers.
Engineer Girl - Designed to bring national attention to the exciting opportunities that engineering represents for girls and women.
EPA Environmental Kids Club - Whats the air quality index? How does the water cycle work? Find the answers to these questions, and many others related to pollution, global warming, and recycling, at this site from the Environmental Protection Agency.
Kids National Geographic - One of the best resources for information on the Net about the world, its people, and its wildlife. Not only can you read the newest edition of this magazine on-line, you can check out the contests, polls, games and even virtual adventures.
Weather Wiz Kids- A wealth of weather information that includes a glossary, terms, jokes, experiments, folklore, an "ask" section, and even access to Doppler sites, hurricane tracking charts, and charts for wind chill, heat index, and temperature conversions.
Amazing Space - Learn about astronomy, space, telescopes, stars, discoveries. Includes “Tonight’s Sky” constellations, deep sky objects and planets.