Crash Course
Engineering Ethics: Crash Course Engineering #27
It's important to do the right thing. An engaging video describes each of the eight tenets of the Engineering Code of Ethics. It then discusses the concepts of utilitarianism, rights ethics, and duty ethics. The video also looks at...
Khan Academy
More Examples of Factoring by Grouping, Algebra I
Useful as a classroom resource, a computer lab assignment, or even a homework supplement, this video shows viewers some more techniques for factoring polynomials. Once they have mastered the art of factoring, the rest of algebra will...
Curated OER
Conic Sections: Hyperbolas 2
Here is an example in this video of graphing a hyperbola centered at the origin. First, Sal shows solving for the equations of the asymptotes and then shows how to determine the direction of the hyperbola. He takes the approach of not...
Curated OER
Binomial Theorem (Part 3)
In this video on the Binomial Theorem, Sal tries to give an intuition behind why combinations are part of its definition. By looking at the expansion of (a + b)3 and carefully looking at where each value originates from, one can see how...
TED-Ed
The Physics of Playing Guitar
Everyone knows that guitar music rocks - but why? And how? Learn about the ways a single pluck can create sounds that resonate from string, to ear, to soul with a fascinating video about the physics of sound vibration.
Townsend Press
Relationships I
Transition words can be a very important addition to any writer's toolbox. Learn more about addition words and time words, and how they can enhance the organization of any writing passage, with an informative video about reading...
Curated OER
Bonds Vs. Stocks
What's the difference between stocks and bonds? Sal illustrates this concept through explaining the two ways a company can raise capital: debt or equity. Drawing out a balance sheet, he categorizes stocks as equity and bonds as debt,...
Curated OER
Chapter 11: Bankruptcy Restructuring
Continuing from the last clip on liquidation, scholars explore another bankruptcy avenue: restructuring. Sal briefly touches on covenants with debt holders and goes into reasons a company would refrain from liquidating when facing...
Curated OER
Equity vs. Debt
Examine the two ways a company can raise capital: equity and debt. Sal breaks down the differences between these and the pros and cons of the investors. He explains the implications of having a publically traded company and draws a stock...
Curated OER
Going Back to the Till: Series B
Help young economists understand the concept of a company's increasing value despite a lack of profit. They explore Sal's case study startup company, which needs to raise more money after going through the original angel investment. For...
Curated OER
Housing Price Conundrum (Part 2)
This second of four videos starts with a short history of the housing market and the conditions that allowed some people to buy, when others could rent. These starting points are a great topic for students to discuss further before...
Curated OER
Inflation, Deflation & Capacity Utilization
High utilization of capacity leads to a raise in prices. Salman Khan discusses competition and its effect on inflation.
California Academy of Science
Water-Wise Farms
The seventh lesson on Fresh Solutions in the 10-part series addresses solutions implemented on farms. It focuses on the options currently in use and hopes for the future of water conservation and farming.
California Academy of Science
Vertical Farming
Half of crops from traditional farming never get harvested, while 90 percent of crops from vertical farming go into the food supply. As land runs out for farming and the need for crops increases, could vertical farming solve the problem?...
Curated OER
Housing Conundrum (Part 4)
The last of four videos, this clip explains why there were such low default rates at the beginning of the 21st century, and the effect this had on the market. Sal breaks down the options for a homeowner who can no longer pay a mortgage...
Curated OER
Housing Price Conundrum (Part 3)
Wondering why home financing relaxed in the years following Y2K? In the third of a four-part series, Sal describes the investment phenomenon between 2000 and 2006 that allowed more people to bid on homes and increased demand...
TED-Ed
What Is Metallic Glass?
Metallic glasses are shiny and opaque, and they conduct heat and electricity like metals. They have a lot of characteristics that make them special and unique to most metals. But, what are they made of? Watch this video to discover what...
Scholastic
Plimoth Plantation Virtual Field Trips
Take a virtual field trip to Plimoth Plantation with four video tours and a slideshow. Videos take viewers aboard the Mayflower, inside a pilgrim village, to a Wampanoag homesite, and the Plimoth Plantation. Slideshow pictures are...
California Academy of Science
Renewable Energy: Powered by Poop
A single cow produces more than 100 pounds of manure every day. Meet a farmer using cow manure to provide energy to his farm, electric car, and the larger electric grid. He explains the process and benefits of the renewable energy source.
Khan Academy
Adding Fractions with Like Denominators, Fractions, Pre-Algebra
Show your students this presentation to help them understand how to add fractions with like denominators. Sal adds 3/15 to 7/15 and then simplifies his answer. He uses drawings and multiple colors to show the actual process.
Khan Academy
Dividing Mixed Numbers, Fractions, Pre-Algebra
Before Sal can divide a mixed number, he has to rewrite it as an improper fraction. He explains that dividing a fraction is the same as multiplying it by its reciprocal and that you can "cancel out" numbers to make multiplying easier.
Khan Academy
Dividing Polynomials 1, Polynomial and Rational Functions, Algebra II
Divide two polynomial expressions by writing the problem as a fraction or as long division. Sal shows how to use long division to divide polynomials. A solid understanding of polynomial operations is necessary to grasp this video.
Khan Academy
Polynomial Divided by Monomial, Polynomial and Rational Functions, Algebra I
Let's think about how a person could simplify an expression where a polynomial is divided by a monomial. Sal shares three different modes he could use to simplify, then uses each way to solve the same problem.
Khan Academy
Simplifying Rational Expressions (Old Video)
Here is a quick look at how one could simplify a monomial expression involving division. Sal works on a problem and briefly explains his process. Great as a concept review.