Math & Science
Math
- Ask Dr. Math--check the archive of past questions first
- Factmonster Math--numbers, tables, formulas
- Math for Morons Like Us--explains various concepts from prealgebra through calculus
- Measure 4 Measure--calculations, estimations, conversions, etc.
- MegaConverter--distance, kitchen measures, angles, etc.
Statistics
- FedStats--The gateway to statistics from over 100 U.S. Federal agencies
- GeoHive--global statistics with charts and graphs
- Information Please U.S. Statistics
- Information Please World Statistics
- United Nations Cyber Schoolbus--compare countries and find global statitics and trends
Science
Scientists, Inventors & Inventions
- American Institute of Physics--exhibits
- American Inventors and Inventions
- Greatest Engineering Achievements of the 20th Century--with histories and timelines
- How Stuff Works--how does stuff work? Tons of articles & pictures to show you.
- The Invention Dimension--a searchable collection of inventors
- Inventors Museum--searchable and organized by category
- National Inventor's Hall of Fame--biographies
General Science & Science News
- ABC News Sci/Tech Page--current stuff
- Popular Science--the magazine's web site
- Science @ NASA--beyond rockets!
- Science Wire--science news
- Why Files--interesting facts & articles about current science topics
Animals, Ecosystems & Habitats
- eNature--a comprehensive collection of field guides for North American plants & animals
- Peterson's Birds--habitat, identification, etc.
- Seaworld Animal Resources
- Science Field Trips--salt marshes, temperate forests, oceans, and more.
- Wetlands--from National Geographic
Astronomy & Space Exploration
Chemistry
- CHEMystery--an interactive chemistry guide
Earth Science
- Earthquake Info--from the U.S. government
Science Fair Projects
