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Earth

There are 29 videos in this category and 46 videos in 5 subcategories.

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Not Right For WatchKnowLearn
Ages: 10 - 18
1379 Views:
How Our Planet Works
From YouTube
Home to millions of species, Earth is the only place in the universe where life is known to exist. Scientific evidence indicates that the planet formed 4.54 billion years ago, and life appeared on its surface within a billion years. (10:04)
Found by teresahopson in Earth
June 6, 2011 at 11:03 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1299 Views:
What an Astronaut's Camera Sees
From YouTube
A seven-minute tour of Earth's most impressive landscapes as captured by astronauts with their digital cameras. Dr. Justin Wilkinson from NASA's astronaut team describes the special places that spacemen focus on whenever they get a moment. (07:01)
Found by teresahopson in Earth
May 26, 2011 at 11:33 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1182 Views:
How Can You Measure the Tilt of the Earth? Summer Solstice Experiment
From YouTube, produced by BBC
Long before the 23 Degrees team shadows have been a significant indicator to the geometry of our planet's position around the sun and in this two-minute video students can learn how to determine the tilt of the Earth using their own height on the Sum... [more]
Found by freealan in Earth
June 20, 2011 at 10:32 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
744 Views:
Earth Formation - Khan Academy
From YouTube, produced by Sal Khan
Sal Khan discusses how the Earth is a the by-product of a local supernova. (10:08)
Found by teresahopson in Earth
June 2, 2012 at 03:23 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
477 Views:
What an Astronaut's Camera Sees at Night (from ISS)
From YouTube
From the ISS, We fly along over Earth's luminous nocturnal landscapes, with Dr. Justin Wilkinson as our guide. This intimate tour takes us over cities and coastlines in the Americas, the Middle East and Europe. (04:49)
Found by teresahopson in Earth
October 2, 2012 at 07:45 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
437 Views:
TOP 10 REASONS Why We Know the Earth is Round
From YouTube, produced by minute physics
This entertaining video explains how we know the Earth is round. (02:42)
Found by teresahopson in Earth
December 28, 2012 at 11:54 AM
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Not Right For WatchKnowLearn
Ages: 10 - 18
382 Views:
Black Marble: Unprecedented New Views of Earth at Night from Space
From YouTube
Taking advantage of new satellite capabilities, scientists from NASA and NOAA released new imagery of Earth at night, providing a counterpart to the iconic "Blue Marble" image of the planet during the day. The imagery was generated by a sensor carrie... [more]
Found by teresahopson in Earth
January 13, 2013 at 10:04 AM
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Not Right For WatchKnowLearn
Ages: 13 - 18
269 Views:
Polestars and the Precession of Earth  -  Astronomy at West - Motion of the Sky 1F
From YouTube, produced by Justin Higgins
Concepts: Polestars and how they are viewed in the sky, Precession, why it happens | How will Polestars change -------------- Part of a Blended Classroom taught at Millard West High School. Produced for Millard Public Schools by Justin Higgins. ... [more]
Found by jahiggins in Earth
November 21, 2013 at 01:40 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
3130 Views:
The View from Space - Countries and Coastlines
From YouTube, produced by NASA
These high-res time-lapse sequences captured by astronauts aboard the International Space Station give us a beautiful and clear view of some well-known coastlines and countries around the world. Get a good look at England, France, Italy, Egypt, Alger... [more]
Found by teresahopson in Earth
December 21, 2011 at 05:21 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1630 Views:
A Year On Earth
From YouTube, produced by Cassiopeia Project
A year on earth is measured by one complete trip around the sun. This seems simple enough but there is a problem. The earth doesn't travel in a path around the sun that returns it to its starting point. So how do we know when the year starts or ends?... [more]
Found by ronna_37 in Earth
December 6, 2009 at 06:57 PM
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