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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Health and medicine: Transposition of great arteries
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree5 minutes
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Class 12 Physics (India): The history of atomic chemistry
How did we get here? Well, in terms of Atomic Chemistry, Hank takes us on a tour of the folks that were part of the long chain of other fol…
VideoFree9 minutes
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Health and medicine: Pertussis diagnosis and treatment
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes
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Organic chemistry: Preparation of alkyl halides from alcohols
How to convert an alcohol into an alkyl halide. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Bas…
VideoFree9 minutes
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Class 11 Physics (India) - Hindi: Work example problems (Hindi)
Ram goes through some example problems on the concept of work. Class 11 Physics (India) - Hindi To help students who prefer to learn by wat…
VideoFree13
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Class 11 Physics (India) - Hindi: More on moment of inertia (Hindi)
In this video Ram explains more about what moment of inertia means, as well as giving the moments of inertia for commonly shaped objects. C…
VideoFree18
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Class 10 Physics (India): Advanced sunrise & delayed sunset
Why is the sun squashed during sunrise and sunset? Why do we see the sun even before it rises? Our atmosphere is the main cause of this. We…
VideoFree9
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Health and medicine: Theories of language and cognition
Learn about theories of the relationship between language and cognition. By Carole Yue. Health and medicine The medical world can be a conf…
VideoFree5 minutes
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Class 11 Physics (India): Unit vectors and engineering notation
Using unit vectors to represent the components of a vector Class 11 Physics (India) Let's learn, practice, and master topics of class 11 ph…
VideoFree8 minutes
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Chemistry: Acid strength, anion size, and bond energy
How anion size and bond dissociation energies affect acid strength Chemistry Did you know that everything is made out of chemicals? Chemist…
VideoFree6 minutes
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Health and medicine: Umbilical vessels and the ductus venosus
Watch as fetal blood goes through umbilical vessels and takes a shortcut through the Ductus Venosus to make it back to the heart. Rishi is …
VideoFree13 minutes
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Electrical engineering: Inductor kickback (1 of 2)
We notice how important it is to give inductor current a place to flow Electrical engineering Learn about electricity, circuit theory, and …
VideoFree13 minutes
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Health and medicine: Calculate your own osmolarity
Learn how to use three lab values (Sodium, glucose, and BUN) to approximate your plasma osmolarity. Rishi is a pediatric infectious disease…
VideoFree13 minutes
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Electrical engineering: Inductor kickback (2 of 2)
We give the inductor's kickback current a path to flow by adding a diode Electrical engineering Learn about electricity, circuit theory, an…
VideoFree7 minutes
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Class 11 Physics (India): Breaking down forces for free body diagrams
Sal explains how to draw free body diagrams when forces are applied at an angle. How to find horizontal and vertical components of an angle…
VideoFree9