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Humpty Dumpty Song
A cartoon song of the classic nursery rhyme, Humpty Dumpty.  The video features two passes through the song. (00:53)
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Preschool Kids Songs-Alphabet
Preschool songs & kids songs for circle time to help learn the alphabet.http://www.preschoollearningonline.com/preschoolkidsongs.htmlhttp://www.activityschoolbus.com
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Amusing introduction to helium
This introduction to the element helium covers its main uses and properties such as being used to fill up small helium balloons and huge helium blimps like the Goodyear blimp, that it cannot be synthesized but can be found naturally, that it is inert and not flammable, etc.  Combines amusing demonstrations with talking to the camera by a wild-haired chemistry professor.  Part of a series called Periodic Table of Videos.
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Why Does Helium Change Your Voice?
Why does sucking on helium make your voice sound funny? See if this question can stump Dr. Charlotte Grayson. Helium is a colorless and odorless gas, and lighter than air.  It changes your voice by altering the environment where sounds are formed. Run time 01:27.
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Helium Is Lighter than Air Using Bubbles Demonstration
Demonstrating that helium is lighter than air with bubbles that rise. Watch David Richardson from the Institute of Physics demonstrate these fascinating, yet simple physics experiments that you can replicate in class. (1:30)
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Helium
A four minute lecture that explains what helium is and how it reacts. Many great points are made and this is a very good overview for the study of this element.
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Lithium battery rotating
This is simply a soundless QuickTime video of a lithium battery rotating.  Might be useful if you simply want to show what a lithium battery looks like.  To move the battery yourself, choose "QuickTimeVR Rotation" and hold down the control key while you click and drag over the picture. May take a little while to load.
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An antlion builds a trap and waits...
Antlions live in the deserts of Africa and other warm, desert climates.  They are verocious predators!  The antlion larva in this video is shown building a sand trap and then capturing and defeating an ant.
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Backyard Habitat: City Birds
Molly and Dave turn the backyard of a New York City brownstone into a
haven for city birds. They also visit Central Park to do some
birdwatching.


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The Black-Capped Chickadee
This video describes how to identify a Black-Capped Chickadee as well as the characteristics of the bird including location, behavioral habits, and diet. Run time 01:09.
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The House Finch
This video describes how to identify a House Finch as well as the
characteristics of the bird including location, behavioral habits, and diet.

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The House Sparrow
This video describes how to identify a House Sparrow as well as the
characteristics of the bird including location, behavioral habits, history, and diet.

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From Embryo to Duckling
This video segment from NOVA: "The Shape of Things" charts the development of a duck embryo, from its earliest stages just after fertilization, through cell replication and differentiation, to the final stage, emergence from the protection of the eggshell.  Closed captioning included.  Run time 01:19.
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Normal Force and Newton's Third Law
In this video, Sal Khan of Khan Academy, discusses the normal force counteracting the force of gravity.  Mr. Khan uses computer software for demonstration. (04:44)
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How to Write a Poem
Writing a poem is very easy. Subject can be an idea, a feeling, a group or rhymes or even lines of words. This video is an interview with no student examples.
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Daedalus and Icarus - Part One
After Athenian inventor Daedalus accidentally kills his nephew, he flees to Crete to be with his son Icarus. There he is employed by King Minos to build a labyrinth to imprison the beastly Minotaur. Since Daedalus knows the secret of the labyrinth, Minos imprisons the inventor and his son, and their only means of escape is with wings made from feathers and wax. Icarus flies too close to the sun and his wings melt, sending him to a watery grave. Daedalus blames Minos for his sons death, and he w
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Norse Mythology: Day and Night, Sun and Moon

At first the world was a dark and gloomy place, even with the great open sky.  The Gods had to create the sun and the moon.  They also had to invent day and night to make his time better.  Night was the daughter to Narfi, she was beautiful creature.  Night and her second husband had a daughter named Earth.  Night and her third husband named Dawn and they had a fair hair shining sun named Day.  The sun and t
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One Bus, a Bunch of Bags, and 80 young Mechanical Engineers in Hong Kong
On Saturday, 1st November 2008, eighty young engineers and engineering students turned up at Rocky Bay near Shek O, with one common goal: cleaning our shores and educating beach goers.
International Coastal Cleanup (ICC) Day, initiated by Ocean Conservancy, began 23 years ago in Texas, USA when almost 3,000 citizens removed 124 tonnes of trash from 122 miles of coastline. Sincethen, ICC Day has become an annual event held all over the world on the third Saturday in September.

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Reading Comprehension | Cause and Effect | Second Grade
The narrator tells an Aesop fable about a farmer, his son, and their donkey. Lesson possibilities include cause and effect. There are no moving images in this video, just narration. (02:58)
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Early Portuguese Slave trade
This short video introduces the way in which Portuguese exploration of Africa lead to slave trade.
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