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 …
check_box_outline_blank
Electrical engineering: Introduction
In this video we discuss some of the key parts of Bit-zee Electrical engineering Learn about electricity, circuit theory, and introductory …
VideoFree4 minutes
check_box_outline_blank
Class 12 Physics (India): Magnifying power of telescope
Let's figure out the magnifying power (magnification) of our telescope. Class 12 Physics (India) It is now time to dive deeper into the wor…
VideoFree7
check_box_outline_blank
Class 11 Physics (India) - Hindi: Average velocity for constant acceleration (Hindi)
Calculating average velocity when acceleration is constant. Class 11 Physics (India) - Hindi To help students who prefer to learn by watchi…
VideoFree14
check_box_outline_blank
Electrical engineering: Spout's reversing circuit and final assembly
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree3 minutes
check_box_outline_blank
Class 11 Physics (India): Intro to significant figures
Significant figures refers to the number of important single digits in a value, often a measurement. This video is an introduction to signi…
VideoFree5
check_box_outline_blank
Class 11 Physics (India) - Hindi: Relative speed of sound in solids, liquids, and gases (Hindi)
Sounds travels at different speeds in different media. Class 11 Physics (India) - Hindi To help students who prefer to learn by watching Hi…
VideoFree6
check_box_outline_blank
Class 11 Physics (India) - Hindi: The force of tension (Hindi)
Ram explains what the force of tension is, how to solve for it, and some common misconceptions involving the force of tension. Class 11 Phy…
VideoFree15
check_box_outline_blank
Electrical engineering: DLab: Inspired by sumo robots
Inspiration from Khan Academy's Discovery Lab Electrical engineering Learn about electricity, circuit theory, and introductory electronics.…
VideoFree2 minutes
check_box_outline_blank
Electrical engineering: AC analysis intro 2
Here's a preview of how AC analysis is going to work. To get ready we need to review some of the ideas from trig and complex numbers. Elect…
VideoFree9 minutes
check_box_outline_blank
Chemistry: Collision theory
An introduction to collision theory and activation energy. Chemistry Did you know that everything is made out of chemicals? Chemistry is th…
VideoFree9 minutes
check_box_outline_blank
Organic chemistry: Sulfonation
Sulfonation of benzene. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of basi…
VideoFree10 minutes
check_box_outline_blank
Chemistry: 2015 AP Chemistry free response 2f
Solubility of ethanol and ethene gas in water. From 2015 AP Chemistry free response 2f. Chemistry Did you know that everything is made out …
VideoFree5 minutes
check_box_outline_blank
Organic chemistry: E-Z system
How to use the E-Z system to assign configurations to double bonds. Organic chemistry Sal and Jay cover topics covered in college organic c…
VideoFree12 minutes
check_box_outline_blank
Chemistry: Bond enthalpy and enthalpy of reaction
Introduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Chemistry Did you know that everything is …
VideoFree12 minutes
check_box_outline_blank
Organic chemistry: Enolate formation from ketones
Forming enolates from ketones using LDA and sodium ethoxide Organic chemistry Sal and Jay cover topics covered in college organic chemistry…
VideoFree10 minutes