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Middle School - OpenSciEd
6–12 Science | Programs - McGraw Hill
Middle School Science Curriculum - Green Ninja
Homepage - OpenSciEd
Middle School Science Curriculum & Resources - Discovery Education
K–12 Science Curriculum | Inspire Science - McGraw Hill
TCI | Phenomena-Based Middle School Science Curriculum
Amplify Science | Elementary & Middle School Curriculum | Amplify
Middle school biology - Science | Khan Academy
Resources for Teaching Middle School Science