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Ages 14-18
Middle school Earth and space science
Learn Earth and space science using videos, articles, and NGSS-aligned practice. Review the fundamentals of s…
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Showing 13–18 of 18 courses · page 2 of 2
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Ages 14-18
Middle school biology
Learn biology using videos, articles, and NGSS-aligned practice. Review the fundamentals of cell biology, org…
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Ages 14-18
Middle school chemistry
Learn chemistry using videos, articles, and NGSS-aligned practice exercises. Explore the world of elements, c…
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Ages 14-18
Middle school physics
Learn physics using videos, articles, and NGSS-aligned practice exercises. Explore the fundamentals of motion…
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Ages 14-18
Organic chemistry
Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of basic high scho…
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Ages 14-18
Teacher resources (NGSS)
Make science meaningful in your classroom with Khan Academy's free unit guides and hands-on activities aligne…