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The Number Line
Learn about the number line! The number line is defined, described and shown in this short video. The instructor tells learners how to use a number line with whole and real numbers as well as how it can be used to determine greater than...
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Seeing Stars
Stars are amazing to see in the night sky. Learn how each star has different colors and that some are hotter and some are colder. A young girl and an astronomer discuss starlight, nebulae, galaxies, and life on other planets. This is a...
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Meteorites
BBC has put together a comprehensive clip describing the composition of meteorites. This is a very cute video younger learners will enjoy. It also shows the properties of meteorites through scientific inquiry. A bit short but perfect for...
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The Skeletal System
Discover the importance of your skeleton. Its different purposes are described and the various types of bones are shown. The animation in this clip clearly introduces the human skeletal system and its parts. A great resource for your...
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Refraction
Refraction is the bending of light, changing its path. This phenomenon is caused by a change in the speed of the light waves. This video provides visual demonstrations of refraction through various media. It concludes by mentioning how...
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The Human Skeleton
Sculpture animation is used to build the skeletal system. Beginning with a single vertebra, more and more of the skeleton is added on while the animation spins and music plays. Show your anatomy class this animation and have them name...
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Thunder and Lightning
What happens when two Van de Graaff machines are placed close together? Watch the electrons jump from one generator to the other creating baby lightning and thunder.
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The Moon
Why does the moon change shape throughout the month? What are all those wholes on the moon? What is the moon made of? This video answers all these questions and more. Learners will discover aspects of gravity, the lunar phases, and how...
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Pendulums
Pendulums are simple, yet engaging demonstrations of harmonic motion. Dr. Carlson uses a very large example of a pendulum: a bowling ball on a string hanging from the ceiling! Learn from Dr. Carlson how you can teach about the strength...
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The Sun
Take your class to space school where they'll learn all about our fabulous sun. While the narrator speaks somewhat fast, he explains how the sun was born, how it works, and what ancient people believed it to be. This clip could be a...
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The Carbon Cycle
Hear how carbon functions on our earth and the purpose it serves. The carbon cycle is illustrated with narration for your junior high or high school biologists. Global temperature increase is also included, though the clip cuts off...
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Montgomery Bus Boycott
It's December 1, 1955, and a tired African American woman refuses to give up her seat for a white man on a bus in Montgomery. This woman is Rosa Parks. While she wasn't the first person to stay seated despite the current laws, her arrest...
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Childhood Obesity
Meredith Vieira explains how our children are "eating themselves to death." Bad nutrition combined with a sedentary lifestyle leads to dangerous diseases. Dave Zinzenko, the editor of Men's Health, talks about his journey out of...
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Radiocarbon Dating
Mr. Anderson explains how scientists are able to date ancient objects using radiocarbon dating. He describes carbon 14, what it is, and how it can be used to date an object. This lecture provides a very clear explanation of a slightly...
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Inflation, Deflation & Capacity Utilization
High utilization of capacity leads to a raise in prices. Salman Khan discusses competition and its effect on inflation.
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Inflation, Deflation & Capacity Utilization 2
Sal justifies that the determining factor of inflation and deflation is not the money supply as much as much as it is demand and the raised capacity utilization.
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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Does the Bailout Have a Chance of Working?
To start this video Sal lists the liability and assets of an imaginary bank and then discusses how banks acted with different levels of caution, which then led to some loans backed up but others defaulted on.