COPYRIGHT
TeachersFirst's listing of copyright and fair use resources for K-12 schools and teachers.
IMAGES & PHOTOS
The National Science Digital Library (NSDL) was created by the National Science Foundation to provide organized access to high quality resources and tools that support innovations in teaching and learning at all levels of science, technology, engineering, and mathematics education.
Images of works of art licensed for educational use, including remixing. Be sure to read the License section.
Photographs from the Hubble Telescope. These are public domain, but it is requested that STSci and NASA be credited.
Be sure to read the guidelines.