The National Science Digital Library provides high quality online educational resources for teaching and learning, with current emphasis on the sciences, technology, engineering, and mathematics (STEM).

*Most resources in the library adhere to principles of Open Educational Resource (OER) access, although some resources are restricted to provider site membership, or may have a cost associated with them (indicated in the full record of the resource).

Blossoms provides video lessons for high school science and math. Every lesson includes video segments, a teacher’s guide, downloadable hand-outs and a list of additional online resources relevant to the topic.

Science textbooks with online interactive activities.

NASA provides hundreds of resources organized by subject, grade level, type and keyword. The lesson plans and teaching materials primarily support STEM curriculum.

PBS LearningMEdia offers more than 100,000 digital resources available to PreK-12 educators. The resources provide research-based, classroom-ready digital learning experiences to engage students in exploring curriculum concepts that align with national learning standards.

PhET provides free interactive math and science simulations that engage students through an intuitive, game-like environment where students learn through exploration and discovery.

Siyavula provides Mathematics and Science textbooks from grades 4-12.