STEM

https://www.khanacademy.org/

Award winning website for middle school students and educators. Includes lesson plans, science projects, assessment tools and more.

https://sciencespot.net/

https://access.openupresources.org/curricula/our6-8math/en/index.html

Free training and professional development materials for K-12 educators.

https://www.mathematicsvisionproject.org/

Science materials aligned for the Framework and NGSS. First available units are for middle school science.

https://www.openscied.org/access-the-materials/

Resources that can be searched by subject and grade level. Browsing capability by numerous national standards for resources.

https://myarkansaspbs.pbslearningmedia.org/

http://www.all-science-fair-projects.com/science_fair_projects.php

A million plus images, recordings, and texts.

https://learninglab.si.edu/