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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Physics: Electrolyte test (pure water vs. vinegar)
First we attach our galvanometer to a piece of copper and zinc. Then we submerge the metals in pure water and vinegar. What is the differen…
VideoFree1 minute
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Class 11 Physics (India): Intuition behind formula for thermal conductivity
Intuition behind formula for thermal conductivity Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NC…
VideoFree6 minutes
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Health and medicine: Three components of emotion and the universal emotions
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree8 minutes
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Class 11 Physics (India) - Hindi: Speed of Sound (Hindi)
How fast does sound actually travel? Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hindi videos, we've …
VideoFree6
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Class 12 Physics (India): Parts of a transistor
We will see the names of the different parts of a transistor. We will also explore some aspects related to the design of a practical transi…
VideoFree9
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Physics: Deriving max projectile displacement given time
Deriving a formula for maximum projectile displacement as a function of elapsed time Physics Learn about the basic principles that govern t…
VideoFree7 minutes
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Physics: Question 2cd: 2015 AP Physics 1 free response
Testing if a bulb is nonohmic. Physics Learn about the basic principles that govern the physical world around us. Solid understanding of al…
VideoFree10 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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Health and medicine: Abdominal aortic aneurysms
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): LOL diagrams
David shows how LOL diagrams allow us to visually represent what we mean by conservation of energy as well as what we mean by an energy sys…
VideoFree15 minutes
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Health and medicine: Obsessive compulsive disorder
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Class 11 Physics (India) - Hindi: Introduction to Momentum (Hindi)
What is momentum? A simple problem involving momentum. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hi…
VideoFree10
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Class 11 Physics (India): Scale of the large
Attempting to comprehend the scale of the large Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCER…
VideoFree11 minutes
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Class 11 Physics (India) - Hindi: Intro to Relative Velocity (Hindi)
Velocity is relative and not absolute. It depends upon who is doing the measurement, i.e. what is the frame of reference. Class 11 Physics …
VideoFree7
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Physics: Mechanical advantage (part 3)
Introduction to pulleys and wedges Physics Learn about the basic principles that govern the physical world around us. Solid understanding o…
VideoFree11 minutes