Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Class 11 Physics (India) - Hindi: Calculating average velocity or speed (Hindi)
Although speed and velocity are often words used interchangeably, in physics, they are distinct concepts. Speed is calculated by dividing t…
VideoFree9
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Class 11 Physics (India): Thermal energy from friction
In this video David shows how to find the energy generated by the force of friction and solves an example conservation of energy problem in…
VideoFree15 minutes
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Health and medicine: Parts of a nephron
Learn about the 5 major parts of the kidney's nephron. Rishi is a pediatric infectious disease physician and works at Khan Academy. Health …
VideoFree9 minutes
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Health and medicine: ALS - Amyotrophic lateral sclerosis
Sal explains the disease ALS, amyotrophic lateral sclerosis, and takes the "ice bucket challenge." Health and medicine The medical world ca…
VideoFree4 minutes
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Health and medicine: Introduction to lab values and normal ranges
Find out how health professionals use short-hand for labs and the meaning of normal ranges. Rishi is a pediatric infectious disease physici…
VideoFree11 minutes
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Health and medicine: Asthma longterm treatment
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 minutes
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Class 11 Physics (India) - Hindi: Average velocity for constant acceleration (Hindi)
Calculating average velocity when acceleration is constant. Class 11 Physics (India) - Hindi To help students who prefer to learn by watchi…
VideoFree14
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Health and medicine: Hib vaccine
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Health and medicine: Gustation - structure and function
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree13 minutes
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Class 11 Physics (India): Limits from tables
Sal finds the limit of 3sin(5x)/sin(2x) at x=0 using a table of values. Class 11 Physics (India) Let's learn, practice, and master topics o…
VideoFree3
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Electrical engineering: Give Spout some grippy feet
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree1 minute
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Class 11 Physics (India): Identifying centripetal force for ball on string
Identifying forces or force components acting as the centripetal force for a ball on a string moving in a horizontal circle. Class 11 Physi…
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Class 11 Physics (India): Scale of the small
From honey bees to cells, viruses, and atoms -- understanding the scale of the very small Class 11 Physics (India) Let's learn, practice, a…
VideoFree13 minutes
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Health and medicine: Kawasaki disease: diagnosis and treatment
Kawasaki disease is diagnosed off the presence of symptoms rather than the results of tests. Symptoms include: conjunctivitis, rash, adenop…
VideoFree13 minutes
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Class 11 Physics (India): Conservation of angular momentum
How angular momentum is conserved within a system when there is no external torque. Class 11 Physics (India) Let's learn, practice, and mas…
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