Science

National Science Digital Library - designed to provide resources for teachers of science, this site can lead anyone to quality activities and science-related resources

Science.Gov

American Inventors and Inventions

InfoPlease Biographies of Notable Scientists

Footprint Calculator - from Global Footprint Network - calculate your ecological footprint

NASA Earth Observatory

US Geological Survey - information about climate and land use change, core science systems, ecosystems, energy & minerals & environmental health, natural hazards, and water

World Nuclear Association - links to articles and opinion, policy documents and treaties, websites, and other nuclear-related info - hold mouse over Public Information Service for more links

Endangered Species Program - U.S. Fish & Wildlife Service

WWF Endangered Species

ARKive - images of endangered species

Biomes of the World - MBGNet

Major Biomes of the World - FactMonster

The World's Biomes

Chemicool - Periodic Table of the Elements and Chemistry information

Photographic Periodic Table of the Elements

Periodic Table of Videos

Jefferson Lab Student Zone - info about Elements, flashcards, chemical equation balancing game and more!

The Physics Classroom - Work, Kinetic & Potential Energy, Mechanical Energy, Power, etc.