| 2010-12-09 | Virtual image | Geometric optics | Physics | Khan Academy | 7:53 | 435,867 | |
|
| 2010-12-09 | Total internal reflection | Geometric optics | Physics | Khan Academy | 7:55 | 519,040 | |
|
| 2010-12-09 | Snell's law example 2 | Geometric optics | Physics | Khan Academy | 11:25 | 165,273 | |
|
| 2010-12-09 | Snell's law example 1 | Geometric optics | Physics | Khan Academy | 10:44 | 341,678 | |
|
| 2010-12-08 | Refraction in water | Geometric optics | Physics | Khan Academy | 4:24 | 308,904 | |
|
| 2010-12-08 | Refraction and Snell's law | Geometric optics | Physics | Khan Academy | 14:24 | 1,027,786 | |
|
| 2010-12-08 | Specular and diffuse reflection 2 | Geometric optics | Physics | Khan Academy | 7:41 | 179,495 | |
|
| 2010-12-08 | Specular and diffuse reflection | Geometric optics | Physics | Khan Academy | 11:00 | 373,188 | |
|
| 2010-12-06 | Carbon 14 dating 2 | Life on earth and in the universe | Cosmology & Astronomy | Khan Academy | 4:15 | 74,168 | Vlog |
|
| 2010-12-03 | Carbon 14 dating 1 | Life on earth and in the universe | Cosmology & Astronomy | Khan Academy | 10:03 | 159,170 | Vlog |
|
| 2010-12-01 | Galactic collisions | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 3:34 | 153,267 | Vlog |
|
| 2010-11-30 | Quasar correction | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 1:46 | 59,881 | Vlog |
|
| 2010-11-30 | Quasars | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 9:15 | 214,409 | Vlog |
|
| 2010-11-30 | Supermassive black holes | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 9:28 | 131,046 | Vlog |
|
| 2010-11-30 | Why gravity gets so strong near dense objects | Cosmology & Astronomy | Khan Academy | 8:13 | 133,131 | Vlog |
|
| 2010-11-30 | Why cepheids pulsate | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 7:10 | 76,732 | Vlog |
|
| 2010-11-30 | Cepheid variables 1 | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 9:23 | 114,839 | Vlog |
|
| 2010-11-29 | Black holes | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 10:09 | 310,227 | Vlog |
|
| 2010-11-29 | Supernova (supernovae) | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 11:58 | 136,032 | Vlog |
|
| 2010-11-29 | Supernova clarification | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 1:32 | 76,692 | Vlog |
|
| 2010-11-29 | Lifecycle of massive stars | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 6:41 | 120,339 | Vlog |
|
| 2010-11-27 | Sal on ABC News | 2:31 | 41,000 | |
|
| 2010-11-24 | Number sets 1 | Fractions | Pre-Algebra | Khan Academy | 6:17 | 202,947 | |
|
| 2010-11-24 | Applying rational equations 1 | Polynomial and rational functions | Algebra II | Khan Academy | 5:26 | 153,338 | |
|
| 2010-11-24 | Adding and Subtracting Rational Expressions 1 | 3:07 | 19,672 | |
|
| 2010-11-24 | Simplifying rational expressions 1 | Polynomial and rational functions | Algebra II | Khan Academy | 4:12 | 280,915 | |
|
| 2010-11-24 | Applying Quadratic Functions 3 | 6:46 | 15,612 | |
|
| 2010-11-24 | Example 3: Finding the square of a binomial with two variables | Algebra I | Khan Academy | 5:12 | 100,512 | |
|
| 2010-11-24 | Multiplying Polynomials1 | 4:32 | 116,303 | |
|
| 2010-11-24 | Example 1: Modeling with polynomials | Algebra I | Khan Academy | 4:37 | 175,006 | |
|
| 2010-11-24 | Simplifying a cube root | Exponents, radicals, and scientific notation | Pre-Algebra | Khan Academy | 2:37 | 261,011 | |
|
| 2010-11-24 | Fractional exponent expressions 3 | Exponent expressions and equations | Algebra I | Khan Academy | 6:32 | 67,892 | |
|
| 2010-11-24 | Hubble's law | Scale of the universe | Cosmology & Astronomy | Khan Academy | 11:12 | 198,420 | Vlog |
|
| 2010-11-24 | Parsec definition | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 7:33 | 132,071 | Vlog |
|
| 2010-11-24 | Stellar parallax clarification | Cosmology & Astronomy | Khan Academy | 2:22 | 62,779 | Vlog |
|
| 2010-11-24 | Stellar distance using parallax | Cosmology & Astronomy | Khan Academy | 11:40 | 111,549 | Vlog | Parallax
|
| 2010-11-24 | Parallax in observing stars | Cosmology & Astronomy | Khan Academy | 7:21 | 148,414 | Vlog |
|
| 2010-11-23 | Star field and nebula images | Cosmology & Astronomy | Khan Academy | 7:04 | 117,286 | Vlog |
|
| 2010-11-23 | White and black dwarfs | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 12:54 | 165,719 | Vlog |
|
| 2010-11-23 | Becoming a red giant | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 11:30 | 192,181 | Vlog |
|
| 2010-11-23 | Birth of stars | Stars, black holes and galaxies | Cosmology & Astronomy | Khan Academy | 7:58 | 513,349 | Vlog |
|
| 2010-11-23 | Cosmic background radiation 2 | Scale of the universe | Cosmology & Astronomy | Khan Academy | 10:16 | 109,907 | Vlog |
|
| 2010-11-23 | Cosmic background radiation | Scale of the universe | Cosmology & Astronomy | Khan Academy | 11:36 | 179,425 | Vlog |
|
| 2010-11-22 | Four fundamental forces | Scale of the universe | Cosmology & Astronomy | Khan Academy | 10:29 | 329,065 | Vlog |
|
| 2010-11-19 | Cosmological time scale 2 | Scale of the universe | Cosmology & Astronomy | Khan Academy | 6:18 | 95,565 | Vlog |
|
| 2010-11-19 | Cosmological time scale 1 | Scale of the universe | Cosmology & Astronomy | Khan Academy | 7:07 | 145,069 | Vlog |
|
| 2010-11-19 | Red shift | Scale of the universe | Cosmology & Astronomy | Khan Academy | 10:04 | 254,253 | Vlog |
|
| 2010-11-19 | A Universe Smaller than the Observable | 8:58 | 118,153 | |
|
| 2010-11-18 | Cosmic Microwave Background Radiation 2 | 7:17 | 7,416 | |
|
| 2010-11-18 | Cosmic Microwave Background Radiation | 12:16 | 60,243 | |
|
| 2010-11-18 | Radius of observable universe (correction) | Cosmology & Astronomy | Khan Academy | 2:15 | 101,223 | Vlog |
|
| 2010-11-18 | Radius of observable universe | Scale of the universe | Cosmology & Astronomy | Khan Academy | 16:39 | 198,780 | Vlog |
|
| 2010-11-18 | Big bang introduction | Scale of the universe | Cosmology & Astronomy | Khan Academy | 11:03 | 298,849 | Vlog |
|
| 2010-11-18 | Hubble image of galaxies | Scale of the universe | Cosmology & Astronomy | Khan Academy | 4:12 | 259,950 | Vlog |
|
| 2010-11-18 | Intergalactic scale | Scale of the universe | Cosmology & Astronomy | Khan Academy | 10:50 | 357,637 | Vlog |
|
| 2010-11-17 | Scale of the galaxy | Scale of the universe | Cosmology & Astronomy | Khan Academy | 12:55 | 254,301 | Vlog |
|
| 2010-11-16 | Scale of earth and sun | Scale of the universe | Cosmology & Astronomy | Khan Academy | 9:31 | 759,741 | Vlog |
|
| 2010-11-16 | Scale of distance to closest stars | Scale of the universe | Cosmology & Astronomy | Khan Academy | 8:18 | 296,065 | Vlog |
|
| 2010-11-16 | Scale of solar system | Scale of the universe | Cosmology & Astronomy | Khan Academy | 12:31 | 420,773 | Vlog |
|
| 2010-11-12 | ANOVA 3: Hypothesis test with F-statistic | Probability and Statistics | Khan Academy | 10:14 | 658,100 | |
|
| 2010-11-12 | ANOVA 2: Calculating SSW and SSB (total sum of squares within and between) | Khan Academy | 13:20 | 588,556 | |
|
| 2010-11-12 | ANOVA 1: Calculating SST (total sum of squares) | Probability and Statistics | Khan Academy | 7:39 | 961,450 | |
|
| 2010-11-11 | Contingency table chi-square test | Probability and Statistics | Khan Academy | 17:37 | 424,327 | |
|
| 2010-11-10 | Pearson's chi square test (goodness of fit) | Probability and Statistics | Khan Academy | 11:48 | 1,641,388 | |
|
| 2010-11-10 | Chi-square distribution introduction | Probability and Statistics | Khan Academy | 10:23 | 858,630 | |
|
| 2010-11-09 | Regression Notation Clarification | 10:02 | 2,475 | |
|
| 2010-11-08 | Covariance and the regression line | Regression | Probability and Statistics | Khan Academy | 15:08 | 437,913 | |
|
| 2010-11-05 | Calculating R-squared | Regression | Probability and Statistics | Khan Academy | 9:45 | 299,414 | |
|
| 2010-11-05 | Second regression example | Regression | Probability and Statistics | Khan Academy | 9:15 | 174,167 | |
|
| 2010-11-05 | R-squared or coefficient of determination | Regression | Probability and Statistics | Khan Academy | 12:41 | 848,049 | |
|
| 2010-11-05 | Regression line example | Regression | Probability and Statistics | Khan Academy | 9:27 | 798,688 | |
|
| 2010-11-05 | Proof (part 4) minimizing squared error to regression line | Khan Academy | 4:18 | 138,549 | |
|
| 2010-11-05 | Proof (part 3) minimizing squared error to regression line | Khan Academy | 10:54 | 158,216 | |
|
| 2010-11-05 | Proof (part 2) minimizing squared error to regression line | Khan Academy | 9:54 | 173,801 | |
|
| 2010-11-05 | Proof (part 1) minimizing squared error to regression line | Khan Academy | 10:35 | 253,074 | |
|
| 2010-11-05 | Squared error of regression line | Regression | Probability and Statistics | Khan Academy | 6:47 | 452,810 | |
|
| 2010-11-04 | Hypothesis test comparing population proportions | Probability and Statistics | Khan Academy | 16:13 | 158,144 | |
|
| 2010-11-04 | Comparing population proportions 2 | Probability and Statistics | Khan Academy | 10:00 | 122,572 | |
|
| 2010-11-04 | Comparing population proportions 1 | Probability and Statistics | Khan Academy | 10:47 | 253,989 | |
|
| 2010-11-04 | Hypothesis test for difference of means | Probability and Statistics | Khan Academy | 10:07 | 379,774 | |
|
| 2010-11-04 | Clarification of confidence interval of difference of means | Khan Academy | 2:41 | 105,496 | |
|
| 2010-11-04 | Confidence interval of difference of means | Probability and Statistics | Khan Academy | 15:49 | 303,075 | |
|
| 2010-11-04 | Difference of sample means distribution | Probability and Statistics | Khan Academy | 12:18 | 228,065 | |
|
| 2010-11-03 | Variance of differences of random variables | Probability and Statistics | Khan Academy | 10:47 | 280,163 | |
|
| 2010-11-03 | Large sample proportion hypothesis testing | Probability and Statistics | Khan Academy | 14:30 | 353,792 | |
|
| 2010-11-03 | T-statistic confidence interval | Inferential statistics | Probability and Statistics | Khan Academy | 11:47 | 679,491 | |
|
| 2010-11-02 | Small sample hypothesis test | Inferential statistics | Probability and Statistics | Khan Academy | 9:04 | 505,949 | |
|
| 2010-11-02 | Type 1 errors | Inferential statistics | Probability and Statistics | Khan Academy | 3:24 | 609,027 | |
|
| 2010-11-02 | Z-statistics vs. T-statistics | Inferential statistics | Probability and Statistics | Khan Academy | 6:39 | 1,800,485 | |
|
| 2010-11-02 | One-tailed and two-tailed tests | Inferential statistics | Probability and Statistics | Khan Academy | 6:34 | 1,229,102 | |
|
| 2010-11-02 | Hypothesis testing and p-values | Inferential statistics | Probability and Statistics | Khan Academy | 11:27 | 2,901,890 | |
|
| 2010-11-02 | Small sample size confidence intervals | Probability and Statistics | Khan Academy | 11:11 | 391,398 | |
|
| 2010-10-30 | Confidence interval example | Inferential statistics | Probability and Statistics | Khan Academy | 18:36 | 734,091 | |
|
| 2010-10-29 | Margin of error 2 | Inferential statistics | Probability and Statistics | Khan Academy | 10:05 | 163,894 | |
|
| 2010-10-29 | Margin of error 1 | Inferential statistics | Probability and Statistics | Khan Academy | 15:02 | 349,470 | |
|
| 2010-10-29 | Bernoulli distribution mean and variance formulas | Probability and Statistics | Khan Academy | 6:59 | 247,618 | |
|
| 2010-10-29 | Mean and variance of Bernoulli distribution example | Probability and Statistics | Khan Academy | 8:20 | 377,402 | |
|
| 2010-10-27 | Sampling distribution example problem | Probability and Statistics | Khan Academy | 14:28 | 840,518 | |
|
| 2010-10-25 | Debt Loops Rationale and Effects | 12:24 | 89,000 | |
|
| 2010-10-25 | American-Chinese Debt Loop | 15:27 | 181,889 | |
|
