CK-12 Earth Science for Middle School (not Regents specific)
CK-12 Earth Science for Middle School FlexBook® covers core earth science concepts and includes PLIX, real world examples, videos, and study guides.
Khan Academy- Middle school Earth and space science - NGSS (not Regents specific)
In this course, you’ll explore the wonders of our planet and the universe beyond. From
the water cycle to plate tectonics, learn about the different processes that shape our
World
https://www.khanacademy.org/science/middle-school-earth-and-space-science
CK-12 Biology for High School (not Regents specific)
CK-12 Biology for High School FlexBook® covers core biology concepts and includes PLIX, real world examples, videos, and study guides.
Khan Academy- High school biology - NGSS (not Regents specific)
https://www.khanacademy.org/science/hs-biology
BioNinja (not Regents specific)
https://ib.bioninja.com.au/standard-level/
"What You Absolutely Need to Know to Pass the NYS Living Environment Regents Exam" - by Danielle Chase & modified by Nancy Sedita
CK-12 Chemistry for High School (not Regents specific)
CK-12 Chemistry for High School FlexBook® covers core chemistry concepts and includes SIMs, PLIX, real world examples, and videos.
Khan Academy- Chemistry library
Chemistry is the study of matter and the changes it undergoes. Here you can browse chemistry videos, articles, and exercises by topic.
https://www.khanacademy.org/science/chemistry
"Mark Rosengarten's Amazing Chemistry PowerPoint Presentation" - by Mark Rosengarten
CK-12 Interactive Physics for High School (not Regents specific)
CK-12 Interactive Physics for High School FlexBook® covers core physics concepts and includes SIMs, PLIX, real world examples, videos, and study guides.
Khan Academy- High school physics
https://www.khanacademy.org/science/hs-physics?lang=en