Khan Academy
Introduction to Limits
Sal starts an explanation of limits by looking at a basic example of a discontinuous function and takes a more intuitive point of view before looking at a formal mathematical definition in later videos. Â He starts by introducing the...
Khan Academy
Introduction to Limits (HD)
Sal begins his explanation of limits with a few basic examples and takes a more intuitive point of view before looking at a formal mathematical definition in later videos. He starts by introducing the notation for limits and describes...
Curated OER
French Revolution (Part 4)- The Rise of Napoleon Bonaparte
A good way to transition from the French Revolution to the influence of Napoleon Bonaparte, this video details how the French government changed in the intervening years, and Napoleon's militaristic rise to power. The colorful maps,...
Curated OER
Napoleon and the War of the Fourth Coalition
France has gone through a lot of changes lately - first the monarchy fell to revolution, then the Republic was formed from the ashes, and now Napoleon has made France a major world power once again. This video shows the meteoric rise of...
Curated OER
Napoleon and the Wars of the First and Second Coalitions
After a brief summary of Napoleon's conquests and the coalitions against which he fought, this video details his emergence as Emperor and a major superpower in Europe. It summarizes main points about Napoleon, including his trail through...
Curated OER
Napoleon and the War of the Third Coalition
A timeline of the main events in Napoleon's career (starting in 1799) begins this video, which details the War of the Third Coalition and the transition of the Holy Roman Empire into the Confederation of the Rhine. Maps, paintings, and...
Khan Academy
Equations with Variables on Both Sides
Variables on both sides of the equation is the name of the game in this video, and Sal's easygoing manner and thorough instructions make even complicated algebraic equations look like a game. He warms up with two equations to demonstrate...
Curated OER
Cancer
It is fascinating to learn about apoptosis and the fact that cells are able to destroy themselves without any external influence. Sal creates interest in the huge number of cells and the complexity of the human body. The likelihood of a...
Curated OER
Solving Quadratic Equations by Completing the Square
"The neat thing about completing the square is that it will always work," Sal explains, "no matter how crazy the problem is." A basic overview of how to complete the square, this video provides a good background for both beginning and...
Curated OER
Box-And-whisker Plot
Elucidating the concept of box-and-whisker plots, Sal explains not only how to generate the diagram, but how to read one as well. He uses several examples to help young mathematicians become familiar with the format, and explains the...
Curated OER
Factoring the Difference of Cubes
Sal factors and finds the difference between two cubed terms. Because this presentation is comprehensive, it would be perfect as homework support or as an independent work station.
Curated OER
Polynomial Division
Put your math pupils’ division skills - and algebra skills - to the test with this video, which introduces the concept of polynomial division. Sal's examples increase in complexity as the video progresses, allowing viewers to see how...
Curated OER
Solving Systems of Equations by Multiplication
Sal begins this video by "massaging the equations a little bit in order to prepare them for elimination." The equations won't be the only relaxed part of this lesson, which introduces the concept of multiplication to systems of...
Curated OER
Relative Stability of Amides Esters Anhydrides And Acyl Chlorides
Sal finishes the naming of the structure from the previous video and the methyl acetate (methyl ethanoate). He then starts to compare the 4 carboxylic acid derivatives. Sal looks at the resonance structures of the molecules and how...
Curated OER
Phase Diagrams
In his previous videos, Sal shows students how to calculate how much energy is needed to change various amounts of water from state to state when the atmospheric pressure is constant. In this video, he shows students how to use phase...
Curated OER
Hess's Law and Reaction Enthalpy Change
Sal introduces students to Hess's Law. The law states that the energy change of a process is independent of how we get from one state to another. He sets up a series of reactions, and solves them to illustrate the principles behind...
Curated OER
Phases of Mitosis
The lecturer starts by emphasizing that the mitotic process is a separate mechanism to cytokinesis - the cytoplasm splitting to become 2 cells. The video continues explaining the stages of mitosis in great detail. Each stage is...
Curated OER
Sodium Potassium Pump
Building upon the previous video about structure, this resource lays the building blocks of how an action potential is generated and how a signal is transmitted from dendrites through the axon. The topics are quite detailed. Salman Khan...
Curated OER
Two more examples of solving rational equations
Rational expressions are the focus of this video, which completes Sal's lecture series on how to work with and solve the particular type of equation. The length of the video would be ideal for a computer lab visit or homework assignment...
Curated OER
Bacteria
There is an important distinction between the bacteria that most students recognize as having a negative impact, and those that live in a symbiotic relationship with us. Sal looks at the mechanisms by which bacteria accumulate variation...
Curated OER
Factoring Quadratic Expressions
Focusing on the intuitive nature of algebra and factoring, Sal demonstrates how to efficiently factor quadratic equations. This video would be great to show in class after a lecture on quadratics, or to assign in a computer lab (or...
Curated OER
Equations And Inequalities
A number of problems involving inequalities and defining the variables are a piece of cake to Sal, and they will be to your Algebra pupils as well after they watch this video. Sal's careful explanation and clear annotations are key to...
Curated OER
Graphs of Quadratic Functions
After making a correction to the last problem in his previous video, Sal explains how to graph quadratic functions. Those who have a hard time with the concept of graphing algebraic functions will find Sal's instruction and easygoing...
Curated OER
Addition And Subtraction of Polynomials
Though it "sounds like a really fancy word," polynomials prove to be no match for Sal's mathematical skills. After defining the term and providing a few examples, Sal works through a few equations that add or subtract polynomials,...