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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Biology: Cellular respiration introduction
Introduction to cellular respiration, including glycolysis, the Krebs Cycle, and the electron transport chain. Biology Life is beautiful! F…
VideoFree14 minutes
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Chemistry: Electron configurations for the second period
Writes out quantum numbers for all elements of the second period. Introduces Hund's rule, and connects blocks in periodic table with electr…
VideoFree12 minutes
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Health and medicine: What is trichomoniasis?
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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Health and medicine: Schizoaffective disorder
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree7 minutes
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Organic chemistry: Diamagnetic anisotropy
Explanation of diamagnetic anisotropy. How it affects chemical shift in proton NMR. Organic chemistry Sal and Jay cover topics covered in c…
VideoFree9 minutes
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Health and medicine: Multiple sclerosis risk factors
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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Chemistry: Gibbs free energy and spontaneity
Intuition behind why spontaneity is driven by enthalpy, entropy and temperature. Introduction to Gibbs free energy. Chemistry Did you know …
VideoFree18 minutes
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Chemistry: 2015 AP Chemistry free response 5a: Finding order of reaction
Finding the order of reaction based on graphs of absorbance, ln(absorbance) and 1/(absorbance) vs. time for kinetics of bleaching food colo…
VideoFree7 minutes
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High school biology: Self vs. non-self immunity
High school biology The immune system Topic: Science Learn about all the sciences, from physics, chemistry and biology, to cosmology and as…
VideoFree14 minutes
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Chemistry: First-order reaction (with calculus)
Deriving the integrated rate law for first-order reactions using calculus. How you can graph first-order rate data to see a linear relation…
VideoFree7 minutes
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Biology: Protecting biodiversity: the power of the individual
Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascina…
VideoFree10 minutes
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Chemistry: Small x approximation for large Kc
Guidelines and worked examples for using the small x approximation to solve equilibrium problems with large Kc values Chemistry Did you kno…
VideoFree14 minutes
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Organic chemistry: Chiral examples 1
Chiral examples 1 Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of basic high…
VideoFree11 minutes
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Biology: Species
What a species is and isn't. Ligers, tiglons, mule, hinnies, and dogs. Biology Life is beautiful! From atoms to cells, from genes to protei…
VideoFree9 minutes
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Organic chemistry: Elimination vs substitution: primary substrate
Figuring out if a primary substrate will undergo substitution or elimination. Organic chemistry Sal and Jay cover topics covered in college…
VideoFree7 minutes