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Big Bang Theory
How did it all begin? In this BrainPOP, movie Tim and Moby introduce you to the most prominent scientific theory about the start of the universe: the Big Bang theory! Find out when the idea came about, who thought it up, and how it became so widely accepted. You’ll also see what scientists think happened shortly after the Big Bang, and how all the resulting matter and energy is thought to have spread out to create everything in the known universe! It’s a big universe out there, so you might
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Flamingos of Bogoria
This movie shows how flamingos flock to Lake Bogoria in Kenya by the millions each year. The sheer number of them is turning their paradise into a toxic quagmire. This move has amazing footage of just how beautiful these birds are and how many swarm to this lake. Run time 03:14.
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Nebulae-Star Nurseries

An i-movie done by students for a science class.  Video explains that nebulaes are clouds of dust and galaxy.  Two different types; diffuse nebulae and planetary nebulae.  Scientists now know something about their nature, size, and appearance.  Video has great pictures and the narrators voice is very clear.  Good video for the student learning about nebulae, appropriate for middle school or high school students.


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Flight through the Virgo Cluster

This sequence begins looking up into a star-filled sky, the glowing band of the milky arcs across the scene. The familiar pattern of the constellation of Orion can be seen. The flight takes the viewer directly towards the sword hanging from the belt of Orion, site of the Orion Nebula, a nursery for young stars. Now 150 light years from home; the viewer goes past the Horsehead Nebula. Soon the viewer passes the R
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Hoover Dam and Hydroelectric Power Plant Tour Part 1
This video is a series of video clips taken when visiting the Hoover Dam and Hydroelectric Power Plant back on December 28, 2008. Hoover Dam is located at Lake Mead at the Arizona and Nevada State line and just East of Las Vegas on US Highway 93. The highway goes over the dam, but a by pass bridge is being built across the Colorado River just down stream from the dam due to be completed in September of 2009. Video part 1 mainly shows the outside area of the dam as viewed from the visit
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Battle For Stalingrad
A brief history of the Soviet/German battle for the city of Stalingrad.  This video shows footage of the final stage of Operation Barbarosa.   The German commander of the Sixth Army, General von Paulus, assisted by the Fourth Panzer Army, began it's attack of a small Russian city on the banks of the Volga River. (3:14)

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The Large Intestine
This short video shows the stage in digestion where the large intestine works. It explains that during digestion water is reabsorbed into the large intestine.
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Landmarks Old Oregon Country - Oregon Trail: Wagons to West
To celebrate Oregon's 150th birthday, 33rd state of the union, Here is an episode from "Landmarks of the Old Oregon Country" Episode 6, Part 1. Oregon Trail - Wagons to the West. This episode talks about the Oregon Trail and why settlers are heading west. Oregon Trail starts at Independence, MO. and started west. You will see some reenactment of the covered wagons an animal to pull from it. Hosted by Mark Sparks and Jane Ferguson. Happy birthday, Oregon.
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Michelangelo - Designer of St. Peter's Dome
This clip, the beginning scenes of The Agony and the Ecstasy, starts with a view of the Dome of St. Peter's Basilica in Rome (which was designed by Michelangelo).  It then moves further into the background of this remarkably versatile artist (1475-1564) who lived, and worked, during the Italian Renaissance (1330-1550).  (8:05)
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Indiana Basketball Team Movie Skit About Substitution In Algebra
This is an entertaining movie using model figures of the Indiana Basketball Team.   They solve a substitution math problem in the clip when they have to decide which team members to substitute.   University.  There is no narration in this video.  The figures talk using text bubbles. 

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Long Division of Numbers - Arithmetic Basics
In this video, the instructor shows how to make a fraction into a decimal doing long division. The instructor uses a whiteboard and colored markers for easier comprehension. At the time of this posting, this is a 'Featured Video' on YouTube. Suitable for fourth-graders and up.
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Лопиталово правило
Liljana Stefanovska
Се дава поедноставен облик на Лопиталово правило и негова примена во пресметување на гранична вредност на функција во некој облик на неопределонст кога тоа може да се примени. Методот

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Matrix Multiplication (Part 2)
The instructor uses an electronic chalkboard to demonstrate Matrix Multiplication.  At the time of this posting from WatchKnow, this video was a Featured Video on YouTube. The instructor, Sal Khan, continues from Part 1 on multiplying matrices. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.
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Ku Klux Klan- A Secret History [2/9]
(Caution: Scenes of violence and insensitive racial language)THE 20TH CENTURY(TM) ventures back to the days of the Reconstruction South and through the landmarks in Klan history to tell the complete story of the most famous hate group in America. Discover how the six original Klansmen came together and chose their name. See how the release of America's first blockbuster movie spurred a resurgence in the KKK and how they expanded their target to include Jews, Catholics and immigrants as well as b
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Ku Klux Klan- A Secret History [4/9]
THE 20TH CENTURY(TM) ventures back to the days of the Reconstruction South and through the landmarks in Klan history to tell the complete story of the most famous hate group in America. Discover how the six original Klansmen came together and chose their name. See how the release of America's first blockbuster movie spurred a resurgence in the KKK and how they expanded their target to include Jews, Catholics and immigrants as well as blacks. Examine the tactics of Klan leaders like William Josep
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Ku Klux Klan- A Secret History [5/9]
THE 20TH CENTURY(TM) ventures back to the days of the Reconstruction South and through the landmarks in Klan history to tell the complete story of the most famous hate group in America. Discover how the six original Klansmen came together and chose their name. See how the release of America's first blockbuster movie spurred a resurgence in the KKK and how they expanded their target to include Jews, Catholics and immigrants as well as blacks. Examine the tactics of Klan leaders like William Josep
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Divisibility Test by 8
Instructor uses the video screen as a 'blackboard' to demonstrates how to find if a number is divisible by 8 without performing actual division. Gives a few examples. For elementary and middle school students.
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Divisibility Test by 9
Instructor uses the video screen as a 'blackboard' to demonstrates how to find if a number is divisible by 9 without performing actual division. Gives a few examples. For elementary and middle school students.
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Between the Lions: B.B. the King of Beasts - "Troubled by Y"
If there's a more acclaimed blues-singing big cat than B.B. the King of Beasts, we've yet to hear about him. And here, making his debut performing "Troubled by the Letter Y," is B.B the King of Beasts himself!  In this video B.B. sings about the different sounds that “Y” has and gives some words with the sounds in it.  Video is good quality, it is short, but discusses the sounds of the letter “Y”.  Video is good for early readers or chi
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Short 'O' Words - Hop 'Til You Drop
In this humorous clip from "Between the Lions", the Magnificent Monkey Cheerleaders (puppets) are performing a chant about the word "hop". Other short o words in the video are stop and drop. Produced by PBSkids for the learn to read series, "Between the Lions."(:56)
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