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: Visualizing vectors in 2 dimensions (Hindi)
Visualizing, adding and breaking down vectors in 2 dimensions. Class 11 Physics (India) - Hindi To help students who prefer to learn by wat…
VideoFree14
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Class 12 Physics (India): Introduction to circuits and Ohm's law
Introduction to electricity, circuits, current, and resistance Class 12 Physics (India) It is now time to dive deeper into the world of phy…
VideoFree10 minutes
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Organic chemistry: Preparation of sulfides
How to prepare sulfides from thiols. Sulfides are like ethers, but with a sulfur instead of an oxygen atom. Organic chemistry Sal and Jay c…
VideoFree7 minutes
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Chemistry: Van der Waals equation
The Van der Waals equation as an adjustment of the ideal gas equation to better account for gas molecule volume and intermolecular interact…
VideoFree10 minutes
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Electrical engineering: Motor controller functions
This video outlines in simple terms why a motor controller is needed and what it does Electrical engineering Learn about electricity, circu…
VideoFree5 minutes
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Electrical engineering: Click n' stick base & batteries
In this video we show you how to connect Spider's motors to his tap light base. Electrical engineering Learn about electricity, circuit the…
VideoFree3 minutes
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Electrical engineering: Variable block (counter)
Store values using the variable block (build a counter) Electrical engineering Learn about electricity, circuit theory, and introductory el…
VideoFree8 minutes
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Class 11 Physics (India) - Hindi: Visual understanding of centripetal acceleration formula (Hindi)
Visual understanding of how centripetal acceleration relates to velocity and radius. Class 11 Physics (India) - Hindi To help students who …
VideoFree11
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Health and medicine: Reiter's syndrome
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
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Class 12 Physics (India): Conservation of charge
Charge can't be created, and it can't be destroyed Class 12 Physics (India) It is now time to dive deeper into the world of physics with to…
VideoFree9 minutes
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Physics: Electromagnetic field (above vs. below)
Testing the direction of force when the current carrying wire is above vs. below a compass. What does this tell us? Physics Learn about the…
VideoFree
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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): Position-time graphs
Using position-time graphs and number lines to find displacement and distance traveled. Class 11 Physics (India) Let's learn, practice, and…
VideoFree5
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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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Class 11 Physics (India): Ultrasound medical imaging
Ultrasound medical imaging (also known as sonography) is a diagnostic imaging tool that uses high-frequency sound waves to create images of…
VideoFree6 minutes