Evolution Ep3: Extinction! (3/6)
Some 99.9 percent of all species that have ever lived on Earth are now extinct. This documentary explores why, then confronts a frightening notion: Are humans causing the next mass extinction -- the sixth in the history of life on Earth? This documentary is suitable for high school grades. Run time 10:22.
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Evolution Ep3: Extinction! (4/6)
Some 99.9 percent of all species that have ever lived on Earth are now extinct. This documentary explores why, then confronts a frightening notion: Are humans causing the next mass extinction -- the sixth in the history of life on Earth? This documentary is suitable for high school grades. Run time 10:45.
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Evolution Ep3: Extinction! (5/6)
Some 99.9 percent of all species that have ever lived on Earth are now extinct. This documentary explores why, then confronts a frightening notion: Are humans causing the next mass extinction -- the sixth in the history of life on Earth? This documentary is suitable for high school grades. Run time 10:36.
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Evolution Ep3: Extinction! (6/6)
Some 99.9 percent of all species that have ever lived on Earth are now extinct. This documentary explores why, then confronts a frightening notion: Are humans causing the next mass extinction -- the sixth in the history of life on Earth? This documentary is suitable for high school grades. Run time 02:52.
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The Date of Christmas Explained
Ever wonder why we celebrate Christmas in December? Was December 25 really Christ's birthday? Here's the story behind the date, and why there is a Midnight Mass.  Just Fr. Greg Friedman talking to the camera.  1:30.
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Tropical Rainforest .
In this video scientists study the evolution and rapid destruction of the ecosystem.
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Basic Math: Lesson 7 - Units of Measurement
This lesson consists of providing you with a Self-Tutorial of the basic units used in measurement. Discussed in the video:Units of Time, Units of Length (Metric and U.S.), Units of Area (Metric and U.S.), Units of Volume (Metric and U.S.), Units of Mass (Metric and U.S.), Units of Liquid Capacity (Metric and U.S.), Units of Dry Capacity (Metric and U.S.), and other miscellaneous Units. Conversion Formulas and Abbreviations are also listed.
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Energy from the Sun
With some very simple equipment and knowledge of basic math it is possible to estimate the power output of the sun. This video describes the process and explains the calculations. The video leaves a challenge: use the results to calculate the total energy arriving at the earth each second and using E=mc^2, calculate the mass loss of the sun. Do NOT look directly at the Sun. (10:27)
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Hawaii Ocean Wildlife
This professional and beautiful video footage by National Geographic addresses several different organisms in the Hawaiin waters.  The video begins with statements such as "A string of spectacular undersea volcanoes created the islands and continue to add to the land mass, even today. Hawaii is geologically young but it is surrounded by an ancient ocean filled with creatures whose ancestors preceeded human beings by billions of years." The end of the video addresses the changes on land and sea
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Landing - Lesson 9
This NASA video segment explores how Newton's laws apply to landing an airplane. Viewers watch an instructor at NASA's National Test Pilot School and learn that landing an airplane involves three phases, that the airplane's mass and touchdown velocity determine the necessary runway length, and that smooth landings require pilot skill in balancing forces. The instructor explains how to calculate the minimal runway length. Run time 13:45.
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Force Equals Mass Times Acceleration: Newton's Second Law
This NASA video segment explores how Newton's second law of motion applies to aerospace. Viewers watch an instructor at NASA's National Test Pilot School as he defines the second law and demonstrates how to calculate a person's mass using the law. There is also a discussion about how people experience different g forces at the top and bottom of a roller coaster hill. Footage of the instructor in a fighter jet illustrates what it means to pull 2 and 4 g.
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Acceleration Part I
With the examples of a bicycle and a baseball player, an important rule of physics becomes apparent. Concept: Force = mass x acceleration.  Eureka was a series of short cartoons on physics that ran on public television in the 1980's.  The video explains the concept in simple and well illustrated way.  Good for students of any elementary school level.
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The End of WW II
This slide presentation lists the last events in World War II. There is reference to the peace conferences, to the destruction of Germany and to the Atomic Bombs.
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ISS Update: Weekly Recap for Sept. 28, 2012
The International Space Station Weekly Recap for Sept. 28, 2012.
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Building the Great Pyramid - Part 3 of 6
This video is the third part of the reconstructed life story of Nacht, one of workers who was part of building king Kufu's great pyramid. This part of the documentary shows how men worked and there are details given as regards the number of men, weapons and time needed to complete the different tasks.
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The Aztec Massacre - Part 4 of 5
This is part 4 of the historical documentary focusing on the Aztec Empire. This part depicts Aztec rituals and sacrifices. There is an account of what the archaeologists have found and of the kind of weapons that were used. (10:00)
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The Fall of France - Part 5 of 12
This part of the documentary describes Germany's armies and weapons. There is a description of the German airforce and of the way they acted in the Battle of France.
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The Fall of France - Documentary part 6 of 12
This part of the documentary describes the Allied countries' forces. There is a detailed description of the weapons and of the way they were used. The drawbacks of some weapons are listed and how they influenced the outcome of battle in France.
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Elizabeth I - Documentary Part 4
Tomas Seymour is found guilty of treason against King Edward IV. He is sentenced to death. Elizabeth would not be accused and retired to live away from court. Religion was strongly affected by Edward IV. He would declare both Mary and Elizabeth bastards and no heir to the throne. Edward chose his cousin, Mary Jane Gray, as heir. when Edward died at the age of 11, many supported Mary 's succession to the throne. Lady Jane Gray would be beheaded. Mary became Mary I and restored Catholisism in the
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Elizabeth I - Documentary Part 14
Mary Queen of Scots is about to be helped by Jesuits. One Jesuit man, Camtion, arrived in England, gave Catholic mass and published pamphlets against Protestantism. He was captured and taken prisoner. He was sentenced to death. This event together with many others angered Philip of Spain. English sailors, pirats, led by Francis Drake, were threatening Spanish ships. They provided Elizabeth with lots of gold. Elizabeth was allied to the French. Elizabeth was engaged to the Duke of Anjou. There wa
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