7th Grade
https://oeta.pbslearningmedia.
8th Grade
https://oeta.pbslearningmedia.
https://oeta.pbslearningmedia.
Physical Science
https://www.youtube.com/watch?
https://www.youtube.com/watch?
https://www.youtube.com/watch?
https://www.youtube.com/watch?
Biology I
https://www.youtube.com/watch?
https://www.youtube.com/watch?
Biology II
https://www.youtube.com/watch?
https://www.youtube.com/watch?
https://www.youtube.com/
Start at 1 and go as far as you would like with CrashCourse videos
Chemistry
If you have access to a desktop or laptop try these out.
https://phet.colorado.edu/en/
--