2021-05-26 | Hess's law | Thermodynamics | AP Chemistry | Khan Academy | 5:44 | 20,052 | |
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2021-05-25 | Homeroom with Sal, Carol Dweck, PhD, & Vicky Colbert - Tuesday, May 25 | 39:33 | 9,967 | |
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2021-05-17 | Complex numbers with the same modulus (absolute value) | 2:52 | 17,464 | |
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2021-05-17 | Factoring polynomials using complex numbers | Khan Academy | 3:10 | 34,371 | |
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2021-05-12 | Expected payoff example: protection plan | Probability & combinatorics | Khan Academy | 2:38 | 6,987 | |
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2021-05-12 | Expected payoff example: lottery ticket | Probability & combinatorics | Khan Academy | 4:04 | 7,365 | |
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2021-05-11 | Interpreting expected value | Probability & combinatorics | Khan Academy | 2:54 | 5,659 | |
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2021-05-11 | Probability distributions from empirical data | Probability & combinatorics | 2:52 | 5,639 | |
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2021-05-11 | Theoretical probability distribution example: multiplication | Probability & combinatorics | 3:25 | 5,633 | |
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2021-05-11 | Theoretical probability distribution example: tables | Probability & combinatorics | 3:15 | 5,440 | |
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2021-05-11 | Interpreting general multiplication rule | Probability & combinatorics | 4:51 | 2,975 | |
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2021-05-11 | General multiplication rule example: independent events | Probability & combinatorics | 2:29 | 4,412 | |
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2021-05-11 | General multiplication rule example: dependent events | Probability & combinatorics | 2:39 | 8,271 | |
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2021-05-11 | Probability with combinations example: choosing cards | Probability & combinatorics | 2:29 | 11,792 | |
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2021-05-11 | Probability with combinations example: choosing groups | Probability & combinatorics | 3:39 | 9,064 | |
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2021-05-11 | Representing systems of any number of equations with matrices | Precalculus | Khan Academy | 4:49 | 6,814 | |
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2021-05-10 | Probability with permutations & combinations example: taste testing | Probability & combinatorics | 3:46 | 12,243 | |
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2021-05-06 | Vector word problem: resultant force | Vectors | Precalculus | Khan Academy | 7:12 | 11,228 | |
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2021-05-06 | Vector word problem: resultant velocity | Vectors | Precalculus | Khan Academy | 10:17 | 6,633 | |
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2021-05-05 | Homeroom with Sal & Mala Sharma - Wednesday, May 5 | 30:59 | 9,275 | |
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2021-05-05 | Help Khan Academy supercharge learning | 2:22 | 124,193 | Let's Play |
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2021-05-05 | Virtual Mindfulness Retreat with Khan Academy and Headspace | 51:07 | 7,305 | |
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2021-05-04 | Subtracting vectors with parallelogram rule | Vectors | Precalculus | Khan Academy | 2:46 | 13,599 | Vlog |
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2021-04-29 | Homeroom with Sal & US Sec. of Education, Dr. Miguel Cardona - Thursday, April 29 | 29:59 | 86,004 | |
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2021-04-29 | Adding vectors in magnitude and direction form | Vectors | Precalculus | Khan Academy | 8:21 | 29,775 | |
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2021-04-29 | Parallelogram rule for vector addition | Vectors | Precalculus | Khan Academy | 2:20 | 33,531 | Vlog |
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2021-04-28 | Cosine equation solution set in an interval | 6:22 | 4,482 | |
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2021-04-28 | Cosine equation algebraic solution set | 6:13 | 3,776 | |
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2021-04-28 | Proof of the tangent angle sum and difference identities | 6:55 | 9,873 | |
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2021-04-28 | Interpreting statements about vectors | Vectors | Precalculus | Khan Academy | 2:38 | 5,034 | |
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2021-04-28 | Representing quantities with vectors | Vectors | Precalculus | Khan Academy | 2:46 | 3,983 | |
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2021-04-28 | Introduction to vector components | Vectors | Precalculus | Khan Academy | 5:16 | 11,999 | |
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2021-04-26 | Personal Pronouns | The Parts of Speech | Grammar | Khan Academy | 3:45 | 26,373 | |
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2021-04-22 | Khan Academy Ed Talks featuring Ben Gomes - Thursday, April 22 | 30:07 | 12,197 | |
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2021-04-22 | Cosine, sine and tangent of π/6 and π/3 | 8:48 | 26,393 | |
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2021-04-21 | Khan Academy Ed Talks with Dan Willingham, PhD - Wednesday, April 21 | 29:56 | 8,632 | |
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2021-04-20 | Rule of 70 to approximate population doubling time | AP Environmental Science | Khan Academy | 3:21 | 13,803 | |
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2021-04-20 | Worked example: Using bond enthalpies to calculate enthalpy of reaction | Khan Academy | 9:03 | 5,851 | Let's Play |
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2021-04-20 | Bond enthalpies | Thermodynamics | AP Chemistry | Khan Academy | 9:33 | 6,955 | Let's Play |
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2021-04-20 | Enthalpy of formation | Thermodynamics | AP Chemistry | Khan Academy | 9:25 | 20,824 | Let's Play |
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2021-04-20 | Worked example: Measuring enthalpy of reaction using coffee-cup calorimetry | Khan Academy | 7:36 | 4,001 | Let's Play |
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2021-04-20 | Enthalpy of reaction | Thermodynamics | AP Chemistry | Khan Academy | 4:17 | 13,030 | Let's Play |
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2021-04-20 | Heating curve for water | Thermodynamics | AP Chemistry | Khan Academy | 10:31 | 6,017 | |
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2021-04-20 | Enthalpy and phase changes | Thermodynamics | AP Chemistry | Khan Academy | 3:13 | 4,476 | Let's Play |
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2021-04-20 | Constant-volume calorimetry | Thermodynamics | AP Chemistry | Khan Academy | 7:58 | 8,474 | |
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2021-04-20 | Worked example: Measuring the energy content of foods using soda-can calorimetry | Khan Academy | 7:46 | 3,876 | |
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2021-04-20 | Constant-pressure calorimetry | Thermodynamics | AP Chemistry | Khan Academy | 9:20 | 7,399 | |
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2021-04-20 | Heat capacity | Thermodynamics | AP Chemistry | Khan Academy | 8:41 | 14,121 | |
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2021-04-20 | Heat transfer and thermal equilibrium | Thermodynamics | AP Chemistry | Khan Academy | 3:09 | 9,319 | |
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2021-04-20 | Representing endothermic and exothermic processes using energy diagrams | Khan Academy | 5:05 | 4,510 | |
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2021-04-20 | Endothermic and exothermic processes | Thermodynamics | AP Chemistry | Khan Academy | 8:00 | 4,770 | |
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2021-04-13 | Khan Academy Ed Talks with LaVerne Srinivasan | 25:41 | 11,578 | |
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2021-04-07 | Representing systems of equations with matrices | Matrices | Precalculus | Khan Academy | 6:50 | 19,431 | |
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2021-04-07 | Invertible matrices and transformations | Matrices | Precalculus | Khan Academy | 6:08 | 6,725 | |
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2021-04-07 | Invertible matrices and determinants | Matrices | Precalculus | Khan Academy | 4:42 | 8,330 | |
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2021-04-01 | Volume density | 4:03 | 15,933 | |
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2021-04-01 | Area density | 4:08 | 6,438 | |
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2021-03-24 | Dividing rational expressions | Precalculus | Khan Academy | 6:24 | 20,550 | |
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2021-03-24 | Multiplying rational expressions | Precalculus | Khan Academy | 5:34 | 17,456 | |
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2021-03-23 | Khan Academy Ed Talk with Bob Hughes - Tuesday, March 23 | 35:45 | 9,882 | |
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2021-03-21 | Inverse matrices and matrix equations | Matrices | Precalculus | Khan Academy | 7:30 | 16,540 | |
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2021-03-21 | Composing 3x3 matrices | Matrices | Precalculus | Khan Academy | 3:38 | 6,828 | |
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2021-03-21 | Inverse matrix introduction | Matrices | Precalculus | Khan Academy | 6:50 | 11,212 | |
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2021-03-16 | Help Khan Academy Double Down On Our Efforts | 2:02 | 84,518 | Let's Play |
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2021-03-12 | Homeroom with Sal & Magnus Carlsen - Friday, March 12 | 40:48 | 25,632 | |
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2021-03-10 | Khan Academy Ed Talks with Marc Sternberg - Wednesday, March 10 | 31:29 | 7,987 | |
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2021-03-10 | Proof: Matrix determinant gives area of image of unit square under mapping | Matrices | Khan Academy | 4:19 | 11,129 | |
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2021-03-10 | Finding area of figure after transformation using determinant | Matrices | Khan Academy | 2:07 | 10,442 | |
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2021-03-10 | Interpreting determinants in terms of area | Matrices | Precalculus | Khan Academy | 4:19 | 10,741 | |
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2021-03-10 | Intro to determinant notation and computation | Matrices | Precalculus | Khan Academy | 3:26 | 7,384 | |
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2021-03-08 | Empowering Young Women - Susan Wojcicki on Homeroom with Sal | 36:21 | 173,772 | |
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2021-03-04 | Composite functions to model extraterrestrial skydiving | 3:28 | 7,504 | |
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2021-03-04 | Reading inverse values from a graph | 4:14 | 7,682 | |
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2021-03-02 | Using matrices to manipulate data: Game show | Matrices | Precalculus | Khan Academy | 3:36 | 6,178 | Show |
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2021-03-02 | Using matrices to manipulate data: Pet store | Matrices | Precalculus | Khan Academy | 4:06 | 3,183 | |
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2021-03-01 | Magnetism and Magnetic Fields | Types of Interactions | High School Physics | Khan Academy | 8:13 | 10,556 | |
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2021-03-01 | Introduction to Momentum | Forces and Motion | High School Physics | Khan Academy | 6:32 | 11,225 | |
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2021-03-01 | Systems and Objects | Dynamics | AP Physics I | Khan Academy | 9:59 | 9,744 | |
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2021-03-01 | Contact Forces | Dynamics | AP Physics 1 | Khan Academy | 8:30 | 5,786 | |
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2021-02-28 | Using matrices to represent data: Payoffs | Matrices | Precalculus | Khan Academy | 6:43 | 7,564 | |
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2021-02-28 | Using matrices to represent data: Networks | Matrices | Precalculus | Khan Academy | 5:40 | 6,965 | |
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2021-02-12 | Homeroom with Sal & Mayim Bialik - Friday, February 12 | 35:49 | 27,187 | |
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2021-02-02 | Homeroom with Sal & Neel Kashkari - Tuesday, February 2 | 30:23 | 15,643 | |
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2021-02-01 | Khan Kickoff Pep Talk: Brandi Chastain | 3:07 | 10,711 | |
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2021-01-30 | Types of catalysts | Kinetics | AP Chemistry | Khan Academy | 4:59 | 19,512 | |
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2021-01-30 | Multistep reaction energy profiles | Kinetics | AP Chemistry | Khan Academy | 7:47 | 12,364 | |
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2021-01-30 | Collision theory and the Maxwell–Boltzmann distribution | Kinetics | AP Chemistry | Khan Academy | 7:28 | 27,688 | |
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2021-01-30 | The pre-equilibrium approximation | Kinetics | AP Chemistry | Khan Academy | 7:23 | 9,777 | |
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2021-01-30 | Kinetics of radioactive decay | Kinetics | AP Chemistry | Khan Academy | 7:53 | 7,985 | |
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2021-01-30 | Zero-order reactions | Kinetics | AP Chemistry | Khan Academy | 4:42 | 16,173 | |
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2021-01-30 | Second-order reactions | Kinetics | AP Chemistry | Khan Academy | 7:43 | 15,288 | |
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2021-01-30 | First-order reactions | Kinetics | AP Chemistry | Khan Academy | 7:44 | 18,592 | |
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2021-01-30 | Factors affecting reaction rates | Kinetics | AP Chemistry | Khan Academy | 5:29 | 10,470 | |
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2021-01-29 | Khan Academy "Hamilton" song | 3:55 | 29,475 | |
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2021-01-27 | Human impacts on ecosystems | Interactions in ecosystems | High school biology | Khan Academy | 5:36 | 62,409 | Vlog |
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2021-01-27 | K selected and r selected population growth strategies | AP Environmental science | Khan Academy | 6:40 | 14,113 | |
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2021-01-26 | Khan Kickoff Pep Talk: Danny Green | 0:31 | 21,569 | |
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2021-01-18 | Khan Kickoff Pep Talk: Dominique Moceanu | 0:20 | 20,515 | |
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2021-01-13 | Official SAT Practice Tips for Students | 4:58 | 8,495 | |
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2021-01-13 | Khan Kickoff Pep Talk: Tony Hawk | 0:37 | 23,783 | |
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