Louisiana Purchase Doubles U.S.
A short video that goes into some detail as to how the Louisiana Purchase was made and what land it covered....and why it was the 'steal of the century', not the 'buy of the century.' (01:10)
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Louisiana Purchase Doubles U.S
Thomas Jefferson pulls off the land deal of the millennium when he buys 800,000 square miles from the French, stretching from the Mississippi River to the Rocky Mountains. This short video explains what a value it was, and how it came to be sold. Of notes is the fact that the video explains that the land did not belong to the French in the first place. It belonged to the Native Americans. A map for the students would help them understand the size of the purchase.
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How the Louisiana Purchase Worked
When Thomas Jefferson purchased the Louisiana Territory for 15 million
dollars, the US nearly doubled in size. This is a podcast without visuals. It lasts 15 minutes. Good data, but only for those that can stay awake.

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Sea reptile birth - Walking with Dinosaurs
CGI is used to examine what a birth in the water must have been like for Dinosaurs dependent on both sea and air. The video explains how vulnerable both the mother and her pups could be during the birthing process.
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The Threat of Animal Species Extinction
This short but informative video describes the startling risk for extinction that many species are facing, and how many of these species are at risk because of human activity. Video is set to music while information is written on the screen. Run time 0:51.

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National Geographic-Rare Clouded Leopards
A small glimpse of the life of the clouded leopards.Video explains how zoos are assisting to breed these rare animals and taking care of them. Running Time is less than one minute. 
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Pascal's Triangle - A Virtual Manipulative
Pascal's Triangle is a triangular arrangement of numbers constructed in such a way that every number in the interior of the triangle is the sum of the two numbers directly above it. It has a great many applications, including the coefficients of the expansion of a binomial expression or the number of ways to choose m objects from a group of n indistinguishable objects, or calculating the probabilities involved in flipping coin. This manipulative allows you to view a number of patterns in Pascal'
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World of Biology
The World of Biology features engaging stories on all things biology, from bird or insect ecology, to nervous system physiology, to predictions of species' ranges. Each story has a main page and subpages (found in the right-hand menu). Most of our stories also have an associated quiz set. Created by Arizona State University's Ask A Biologist.
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Astrology Planetary Associations
Astrology twelve signs - Each of the twelve signs associates to planet and they are explained in this four minute video. A fun activity for students, but this is not a science.
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Transformations - Composition - A Virtual Manipulative
Transformations - Composition – Explore the effect of applying a composition of translation, rotation, and reflection transformations to objects. There are more instructions to the right of the manipulative.
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Geoboard - A Virtual Manipulative
Use this virtual geoboards to illustrate area, perimeter, and rational number concepts. There are more instructions to the right of the manipulative.
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Circular Geoboard - A Virtual Manipulative
Geoboard - Circular – Use circular geoboards to illustrate angles and degrees. There are more instructions to the right of the manipulative.
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SONG: MONTHS AND SEASONS
A slide show and a song where all the months are named. There is a description of what happens each month and when seasons begin. Run time 01:54.
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Carbon

Carbon is essential to all life. The versatility of carbon's molecular structures and the enormous range of properties of its compounds are presented. Compounds that contain carbon are extremely diverse with a wide range of properties. Organic chemistry is devoted to the exploration of the properties of carbon.

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Golgi Body
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Regel van derden in fotografie en video
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"De regel van derdeb": enkele weetjes in het Engels waar je mee moet rekening houden wanneer je met beeldprojecten bezig bent. Tips en wetmatigheden. Uit Wikipedia.


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Virtual Maths - Numbers, 2D Elipse simulation tool
Interactive simulation tool demonstrating formula for calculating the area of an elipse
Author(s): Leeds Metropolitan University

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Un vol en montgolfière: avontuurlijke en andere sporten
Op het einde van deze les kun je aan de receptie van een hotel praktische informatie vragen over een ballonvaart in de Bourgognestreek. Je luistert eerst naar het soort activiteiten dat de hotelreceptionist je kan aanbevelen. Daarna luister je naar een gesprek en speelt daarvan één rol na. Je beantwoordt waar-niet waar- vragen en maakt daarna zelf een gesprek. Je leert hierin vragen te stellen met inversie.
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Great Zoom out of New York, NY: Central Park
Using data from different spacecraft and some powerful computer technology, visualizers at the Goddard Space Flight Center present you with a collection of American cities in a way you have never seen them before. Starting with our camera high above the Earth, we rush in towards the surface at what would be an impossible speed for any known vehicle. Passing though layers of atmosphere, the colors of our destinations shimmer with their own unique characteristics, and suddenly we find ourselves fl
Author(s): Darrel Williams,Greg Shirah,Horace Mitchell,Marte

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Great Zoom out of Houston, Texas: Reliant Stadium
Using data from different spacecraft and some powerful computer technology, visualizers at the Goddard Space Flight Center present you with a collection of American cities in a way you have never seen them before. Starting with our camera high above the Earth, we rush in towards the surface at what would be an impossible speed for any known vehicle. Passing though layers of atmosphere, the colors of our destinations shimmer with their own unique characteristics, and suddenly we find ourselves fl
Author(s): Alex Kekesi,Cindy Starr,Darrel Williams,Eric Sokol

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