An excellent source of reliable information on life sciences, physical sciences, mathematics, technology and more. Includes full-text coverage for more than 200 science periodicals, 275,000 high-quality science images, 2,900 full-text, full-length biographies, 800 full-text science essays, 800 full-text science reference books, and 500 science videos. 

A new resource with authoritative, curriculum-aligned digital content that helps students experience science, not just study it. Manipulate 3D interactive models to visualize and understand concepts in biology, chemistry, earth, and space science. 

Understand environmental issues that affect people globally through topic overviews, journals, news, and multimedia content. 

PhET provides fun, free, interactive, research-based science and mathematics simulations.  Made by the University of Colorado Boulder.

Find articles, books, and more in National Geographic Kids to take classroom assignments and projects to the next level. 

Khan Academy

Get homework free homework help, practice and tutorial videos. Explore topics in math, science, and more with instructional videos and practice exercises. 

An educational website that provides in-depth articles, especially strong in science, tech, math, humanities, and languages. 

A computational knowledge engine that can answer questions, perform calculations, and provide information on topics ranging from mathematics and science to history, nutrition, and space 

A free educational website that provides multimedia content like videos, animations, and simulations for high school and college students. It covers subjects such as math, science, history, and economics