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
Organic chemistry: Epoxide formation and anti dihydroxylation
Adding two hydroxyls to opposite faces of an alkene double bond via an epoxide intermediate. Organic chemistry Sal and Jay cover topics cov…
VideoFree12 minutes
check_box_outline_blank
Health and medicine: Hypoplastic left heart syndrome and norwood glenn fontan
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
Chemistry: VSEPR for 4 electron clouds
VSEPR for molecules with four electron clouds including examples for tetrahedral, trigonal pyramidal, and bent molecules. Chemistry Did you…
VideoFree10 minutes
check_box_outline_blank
Organic chemistry: Synthesis of substituted benzene rings I
Synthesis practice problems. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understanding of…
VideoFree8 minutes
check_box_outline_blank
Organic chemistry: Elimination vs substitution: tertiary substrate
Determining if a tertiary substrate will undergo E1, E2, or Sn1. Organic chemistry Sal and Jay cover topics covered in college organic chem…
VideoFree13 minutes
check_box_outline_blank
Biology: Breaking down photosynthesis stages
Breaking down photosynthesis into light dependent reactions and Calvin cycle. Biology Life is beautiful! From atoms to cells, from genes to…
VideoFree5 minutes
check_box_outline_blank
Health and medicine: Health care costs in US vs Europe
A discussion about US health care costs Health and medicine The medical world can be a confusing place. Patients, their families, and even …
VideoFree15 minutes
check_box_outline_blank
Health and medicine: Autonomic nervous system
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
Biology: Variation in a species
How variation can be introduced into a species. Biology Life is beautiful! From atoms to cells, from genes to proteins, from populations to…
VideoFree20 minutes
check_box_outline_blank
Health and medicine: Stages of hypertension
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
check_box_outline_blank
Health and medicine: Inflammatory bowel disease: Diagnosis
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree14 minutes
check_box_outline_blank
Biology: Mitosis: Splitting up is complicated
Hank describes mitosis and cytokinesis - the series of processes our cells go through to divide into two identical copies. Biology Life is …
VideoFree10 minutes
check_box_outline_blank
Cosmology and astronomy: Random predictions for 2060
Sal's random predictions for the year 2060 Cosmology and astronomy It's a great, big universe out there. In this section of Khan Academy, y…
VideoFree11 minutes
check_box_outline_blank
Chemistry: Specific heat, heat of fusion and vaporization example
Specific heat and phase changes: Calculating how much heat is needed to convert 200 g of ice at -10 degrees C to 110 degree steam. Chemistr…
VideoFree15 minutes
check_box_outline_blank
Chemistry: Counting valence electrons for main group elements
How to determine the number of valence electrons and draw Lewis structures for main group elements starting from the electron configuration…
VideoFree8 minutes