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Explore 6th grade science topics with interactive lessons and practice exercises on Khan Academy.

Get ready for 6th grade math! Learn the skills that will set you up for success in ratios, rates, and percentages; arithmetic operations; negative numbers; equations, expressions, and inequalities; and geometry.

खान अकैडमी एक 501 (c) (3) गैर-लाभकारी संगठन है। आज दान कीजिए या वालंटियर करें!

What is AI and how does it work? And is generative AI the same thing? (Spoiler alert: it's not!) We'll break it down for you and have you considering the benefits and drawbacks of this rapidly evolving technology.

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 free, world-class education for anyone, anywhere.

Learn high school geometry—transformations, congruence, similarity, trigonometry, analytic geometry, and more. (aligned with Common Core standards)

Check your understanding of computer networks in this set of free practice questions designed for AP Computer Science Principles students.

How do prokaryotic cells look like? What are their features? Watch this video to learn about prokaryotes, specifically, bacteria.