1
Published in 2016
"Plate tectonics have shuffled the earth's landmasses around -- and continue to do so. What is continental drift? Anyone who's ever experienced an earthquake or seen a volcano knows that the phrase """"solid ground"""" doesn't always apply. Over Earth's long history, the great landmasses have...
Grade Level   6 7 8 9 10 11 12
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2
Published in 2015
Volcanoes are as dangerous as they are majestic. Over 50 eruptions rock our planet every year. This video helps you understand what causes volcanoes to form and erupt -- and shows where they are most likely to be found.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
Published in 2015
El Niño is a series of complex weather patterns that occurs every two to seven years. It causes drastic changes in weather that can lead to billions of dollars in damages, high death tolls, and disease. Find out what causes El Niño, how it can affect you, and why it is so hard to predict it.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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4
Published in 2010
Explore and experience the forces that shape the world around us. Most of the Earth is hot, molten metal and rock. In fact, the inhabitable part makes up less than 1% of the planet's mass.
Grade Level   3 4 5 6 7 8 9 10 11 12
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5
Published in 2013
Bob Ballard explores tectonic plates and earth's constant transformation.
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6
Published in 2017
How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system's genesis, plus its planets, moons, and asteroids.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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7
Published in 2017
Oceans serve as the planet's largest habitat and also help to regulate the global climate. But why is the ocean salty? And how is climate impacting the ocean? Find out more about the ocean, including the consequences of and potential solutions to these changes.
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8
Published in 2015
Tornadoes, nearly three-quarters of which occur within the US, are unpredictable and can cause massive damage. New tools and data are helping scientists learn more about when they might form and what paths they might take.
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9
Published in 2015
Tsunamis are giant, powerful waves most often caused by earthquakes beneath the ocean floor. Their incredible power can destroy entire communities, then drag the debris out to sea. This video shows what causes tsunamis and the importance of evacuating any area under a tsunami alert.
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10
Published in 2012
Explore and experience the forces that shape the world around us. No natural disaster in America has caused more death and destruction than floods.
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11
Published in 2012
Explore and experience the forces that shape the world around us. Find out how hurricanes can be so destructive.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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12
Discover the ways in which air and water interact in a vast complex system. This video clip illustrates the interconnections between rising sea levels, forest fires, droughts, heat waves, typhoons, powerful storms, and flooding.
Grade Level   4 5 6 7 8 9 10 11 12
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13
Published in 2016
Of the many ways Earth is polluted, light pollution may be the least talked about. It's not an illusion; astronomers measure it from one to nine on the Bortle scale, and earlier this year, one study suggested that light pollution may be causing spring to come earlier. This short film, shot mainly in...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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14
Published in 2010
Analemma photographs are made by taking a picture of the sun from the same place at the same time of day once or twice a week, generating 30 to 50 frames. This picture, made in Veszprem, Hungary, combines 36 photos of the sun taken at 10 am local time between January and December.
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15
Published in 2015
Earthquakes are unpredicatable and can strike with enough force to bring buildings down. Find out what causes earthquakes, why they're so deadly, and what's being done to help buildings sustain their hits.
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16
Published in 2010
Did you know that only 1% of Earth's water is fresh and available for consumption? Fresh water is the world's most essential natural resource, but it's also one of the most threatened. National Geographic magazine's April issue celebrates and explores this important resource.
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