Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.

Biology archive Biology archive The biology archive contains legacy biology content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out Middle …

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a …

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In this course, you'll explore the fascinating world of living things. Learn about cells, organisms, and ecosystems, all while gaining a deeper understanding of your place in Earth's web of life. This course …

In this course, you’ll explore organism growth and development, energy and matter in biological systems, molecular and classical genetics, natural selection and evolution, biodiversity and human …

Learn AP Computer Science Principles using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of digital data representation, computer components, internet …

Embark on an exciting journey through Grade 6 Science! Enjoy captivating activity videos and stimulating practice exercises. From microscopic wonders to gravity-defying feats, this course will …

Chemistry archive Chemistry archive The chemistry archive contains legacy chemistry content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out …

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