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 12 Physics (India): Magnetic field created by a current carrying wire
See how a wire carrying a current creates a magnetic field. Class 12 Physics (India) It is now time to dive deeper into the world of physic…
VideoFree10 minutes
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Health and medicine: Respiratory distress
How can you tell someone is having troubles breathing? Increased work of breathing, the feeling of shortness of breath, and cyanosis are al…
VideoFree7 minutes
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Class 11 Physics (India) - Hindi: Centre of mass (Hindi)
Ram gives a conceptual understanding of what center of mass means. Class 11 Physics (India) - Hindi To help students who prefer to learn by…
VideoFree10
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Health and medicine: Aging and cognitive abilities
Learn about how cognitive abilities change as we age. Health and medicine The medical world can be a confusing place. Patients, their famil…
VideoFree3 minutes
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Health and medicine: Flow and perfusion
Learn the difference between blood flow (Volume/time) and perfusion (Volume/time/amount of tissue). Rishi is a pediatric infectious disease…
VideoFree11 minutes
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Physics: Reconciling thermodynamic and state definitions of entropy
Long video explaining why entropy is a measure of the number of states a system can take on (mathy, but mind-blowing). Physics Learn about …
VideoFree28 minutes
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Class 12 Physics (India): Specular and diffuse reflection
Specular and Diffuse Reflection Class 12 Physics (India) It is now time to dive deeper into the world of physics with topics from class 12 …
VideoFree11 minutes
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Health and medicine: How to identify murmurs
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: Hepatic lobule
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree3 minutes
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Health and medicine: Acute complications of diabetes - Diabetic ketoacidosis
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree11 minutes
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Health and medicine: Understanding R nought
Dr. Rishi Desai is a pediatric infectious disease physician and former epidemiologist with the Centers for Disease Control and Prevention (…
VideoFree9 minutes
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Class 11 Physics (India): Correction to force of friction keeping the block stationary
Correction to Force of Friction Keeping the Block Stationary Class 11 Physics (India) Let's learn, practice, and master topics of class 11 …
VideoFree1 minute
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Class 12 Physics (India): Electric motors (part 1)
Sal shows that there will be a net torque on a loop of current in a wire. Sal shows that this net torque will cause the loop to rotate. Cla…
VideoFree11 minutes
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Class 11 Physics (India): Equivalent vectors
Sal determines if two vectors shown on a graph are equivalent by seeing if they have the same magnitude and direction. Class 11 Physics (In…
VideoFree7
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Class 11 Physics (India): Unit vector notation (part 2)
More on unit vector notation. Showing that adding the x and y components of two vectors is equivalent to adding the vectors visually using …
VideoFree9 minutes