National Geographic Kids interesting facts about animals, science, history and geography. The site also includes fun competitions, games, and more. |
DK findout! a free online encyclopedia with interactive pictures. Try DK findout! to quickly look up answers to common questions. |
Gutenberg Project is an online library of over 33,000 free eBooks. |
Digital Commonwealth historical collections from libraries, museums, and archives across Massachusetts |
infotopia |
Photos for Class features school-appropriate images licensed by Creative Commons for public use. Downloaded images automatically cite the author and the image license terms |
Pics 4 Learning a safe, free image library for schools |