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Learn about specific heat and latent heat of fusion and vaporization in this Khan Academy physics lesson.

Learn about light and the electromagnetic spectrum, including wave properties, interactions, and applications.

Bernoulli's equation explains the relationship between pressure, velocity, and height in fluid dynamics.

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Math: Pre-K - 8th grade; Pre-K through grade 2 (Khan Kids) Early math review; 2nd grade; 3rd grade; 4th grade; 5th grade; 6th grade; 7th grade; 8th grade; Basic geometry and measurement

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 …

I have entered my students but I don't know their password----where do I find it?---and where do they enter our class code?

2021年3月15日 · Frequently Asked Questions about Khan Academy and Math Worksheets Why is Khan Academy even better than traditional math worksheets? Khan Academy’s 100,000+ …