Thinkfinity.org presents a treasure trove of free, online resources for teachers and students. As part of the Verizon Foundation's literacy, education and technology inititiative, Thinkfinity's goal is to improve student achievment not only in the classroom, but also beyond by providing quality content.
There are several ways to interact with the site. Teachers and students can browse through the featured content or search for specific topics using keywords, subjects, resource type and grade level that are provided by Thinkfinity's national content partners. These partners include the International Reading Association, National Geographic Society, as well as many others.
Plan on spending some time browsing through all the different activities and resources, it's well worth it!