How the Body Works : The Lymphatic System
This video, through still images and narration, offers information concerning the lymphatic system, a network of vessels which carries lymph from around the tissues to the blood.
How the Body Works : The Digestive System
Starting at the mouth, the digestive system helps provide the energy your body needs to perform its many functions. This video is an overview of the digestive system with still images and narration.
Muscular System
This excellent video, which is suitable for elementary-age children, discusses the human muscular system (a system with over 600 muscles) and was completed for 360Kid productions in Boston, MA. (Note: the slang word 'pee' is mentioned once in the video.)
Systems of Equations - Substitution
A teacher narrates and explain how to solve two systems of equations and a problem involving approaching trains. The narrator solves the system by substitution in several examples using a marker on a computer screen.
Solving Systems by Substitution - Math Help
The instructor uses a white board for demonstration and this video is suitable for high school students. Students learn to solve a system of linear equations by substitution, by first isolating one of the variables in the system, then substituting its value for the corresponding variable in the other equation.
Solving Systems by Graphing - Algebra Help
The instructor uses a white board for demonstration and this video is suitable for high school students. Students learn to solve a system of linear equations by graphing. The first step is to graph each of the given equations, then find the point of intersection of the two lines, which is the solution to the system of equations. If the two lines are parallel, then the solution to the system is the null set. If the two given equations represent the same line, then the solution to the system is th
Solving Systems of Equations by Substitution
The instructor uses a white board to demonstrate how to solve a system of equations by using the method of substitution. Â In the video the teacher presents and solves a problem on substitution from a page in the math text on a white board.Â
Graphing Systems of Equations
This lesson explains how to solve a system of two equations by graphing. The instructor begins by graphing the line for each equation. Then he demonstrates how to find the point of intersection which is the solution for the system.
The Mark Steel Lectures-Descartes 1/3 Written and delivered by Mark Steel, each lecture presents persuasive, yet witty, arguments for the importance of Descartes. Mark Steel looks at Descartes life and philosophy. He starts with some background about Descartes.  He also discusses Aristotle and his thoughts and how Parliament instructed people not to attack his thoughts. Descartes said his best ideas would come if he was clear of all distractions, he said his clea
The Mark Steel Lectures- Descartes 3/3
Written and delivered by Mark Steel, each scripted lecture presents persuasive, yet witty, arguments for the importance of Descartes. This episode continues with the discussion of God in Descartes thoughts. Mr. Steel then discusses Descartes new topic, which was anatomy. He discovered that the senses work through the nervous system. He then continued that our minds are separate from our
Italians in the world - part 4
(1924-1932)This episode discusses Zefferino Poli who is an emigrant who accepted the dollar religion, he grasped at once the American system. He was a frugal man and soon owns many theaters. Video also discusses other emigrants who influenced the Italians that were living in the United States. Despite the racism and economic difficulties the Italian passion for politics reemerges in the emigrant
Street Calligraphy
Calligraphy is regarded as the most abstract and sublime form of art in Chinese culture. Many people practice calligraphy in China's public spaces, using large brushes to create ephemeral works of art right on the sidewalk
Converting Measurements in the Metric System
When converting measurements in the metric system, it's helpful to keep in mind the associations between the units. Convert miles to kilometers with help from a math teacher in this free video on basic math lessons.
Applying the Metric System
In this video Sal Khan discusses the metric system while using a word problem concerning perimeter. (05:42) The instructor uses computer software for demonstration. (This problem concerns how to
convert kilometers to meters.)
Kilauea Volcano Erupts - Dramatic Video
This video is suitable for older elementary, middle school, and high school students. Kilauea is the youngest and southeastern most volcano on the Big Island of Hawaii. Topographically Kilauea appears as only a bulge on the southeastern flank of Mauna Loa, and so for many years Kilauea was thought to be a mere satellite of its giant neighbor, not a separate volcano. However, research over the past few decades shows clearly that Kilauea has its own magma-plumbing system, extending to the surface
Harmonic Motion The music and mathematics of nature. The restoring force and inertia of any stable mechanical system cause objects to execute simple harmonic motion, a phenomenon that repeats itself in perfect time.
How to Free Up Space on your PC
Step 1: Free Up Some Space
If you want to speed up your PC, the first step is to go to your Start menu and find the System Tools, group under the Accessories heading. Click on Disk Cleanup.
Step 2: Defrag It
Return to System Tools and run your disk defragmenter. Over time the information on your computer becomes scattered. The Defragger will organize the info and your computer will spend less time searching.
Step 3: Bewar
Why? Tell Me Why! : Earth Spin
Dr. David Rubenkamp answers the question: Why does the Earth spin? He gives a short explanation of the history of the solar system. He also explains how the moon affects the spinning of Earth. Video is of good quality and is appropriate for middle elementary students.
1 of 5 -- The Universe - Secrets of The Sun
A quote from the film: "The sun is the superpower of our solar system, a thermonuclear blast furnace, erupting with massive explosions. At 93 million miles away it would seem that we are safe from the sun's wrath. But are we? With some experts predicting the most violent outbreak of solar activity in modern history it has never been more important to understand the secrets of the sun." This documentary is suitable for older elementary, middle school, and high school students.
3 of 5 -- The Universe - Secrets of The Sun
A quote from the movie: "The sun is the superpower of our solar system, a thermonuclear blast furnace, erupting with massive explosions. At 93 million miles away it would seem that we are safe from the sun's wrath. But are we? With some experts predicting the most violent outbreak of solar activity in modern history it has never been more important to understand the secrets of the sun." This documentary is suitable for older elementary, middle school, and high school students.
