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
Class 11 Physics (India): Increasing, decreasing, positive or negative intervals
Function values can be positive or negative, and they can increase or decrease as the input increases. Here we introduce these basic proper…
VideoFree6
check_box_outline_blank
Class 11 Physics (India): Rotational kinematic formulas
David explains the rotational kinematic formulas and does a couple sample problems using them. Class 11 Physics (India) Let's learn, practi…
VideoFree15 minutes
check_box_outline_blank
Class 12 Physics (India): Thin lenses in contact
Let's figure out the effective focal length when thin lenses are in contact. Class 12 Physics (India) It is now time to dive deeper into th…
VideoFree7
check_box_outline_blank
Health and medicine: Pressure in the left heart - part 3
Watch the pressure in the left heart go up and down with every heart beat! Rishi is a pediatric infectious disease physician and works at K…
VideoFree13 minutes
check_box_outline_blank
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
check_box_outline_blank
Electrical engineering: Fourier coefficients for sine terms
Fourier coefficients for sine terms Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also h…
VideoFree7 minutes
check_box_outline_blank
Class 11 Physics (India): Solved example: pressure needed to compress water
Let's solve a numerical on bulk modulus. Let's explore how easy or difficult it is to compress water in this problem-solving video. Class 1…
VideoFree6
check_box_outline_blank
Health and medicine: Bronchiolitis treatment
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree11 minutes
check_box_outline_blank
Class 11 Physics (India): More on Newton's third law
David explains some of the common misconceptions in dealing with Newton's Third Law. He also shows how to correctly and reliably identify T…
VideoFree13 minutes
check_box_outline_blank
Class 12 Physics (India): Circuit terminology
Definition of circuit terms: element, component, node, branch, mesh, and loop Class 12 Physics (India) It is now time to dive deeper into t…
VideoFree8 minutes
check_box_outline_blank
Electrical engineering: Power connector for the Arduino
In this video we show you how to create a power connector for your arduino. Electrical engineering Learn about electricity, circuit theory,…
VideoFree3 minutes
check_box_outline_blank
AP®︎ Chemistry: Group trend for ionization energy
Explaining trend in ionization energy down a group using concepts of nuclear charge, electron shielding, and distance of electrons from nuc…
VideoFree10 minutes
check_box_outline_blank
Class 11 Physics (India): Derivative & the direction of a function
Sal analyzes various graphs to find intervals where the derivative of the graphed function is positive or negative. Class 11 Physics (India…
VideoFree3
check_box_outline_blank
Health and medicine: Neuroplasticity
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree10 minutes
check_box_outline_blank
Health and medicine: TB pathogenesis
Find out exactly how TB causes damage to the lungs. These videos do not provide medical advice and are for informational purposes only. The…
VideoFree12 minutes