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Earth's Magnetic Field

There are 9 videos in this category and 4 videos in 1 subcategory.

Category Videos
Not Right For WatchKnowLearn
Ages: 12 - 18
1147 Views:
What is the Magnetosphere?
From Curriki
What is the magnetosphere? Michael Hesse - NASA Goddard Space Flight Center explains that the magnetosphere is the Earth’s magnetic pull related to the particles coming from the Sun that compress the magnetosphere with accelerated particles changing ... [more]
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1099 Views:
Are the magentic poles reversing?
From Curriki
Study of the question Are the magnetic poles reversing?" Ian McCrea, Rutherford Appleton Laboratory. Using magnetic models, scientist study the million plus year cycle of the pole reversal. RUn time 03:31.
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 7 - 15
2960 Views:
Origin of Earth's Magnetic Field
From YouTube, produced by J. Marvin Hernden
Origin of Earth's magnetic field, new discoveries and new concepts, published in world-class scientific literature and explained here. Run time 09:34.
July 12, 2009 at 05:18 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1050 Views:
Why study the magnetosphere at the poles?
From Curriki, produced by Learn It Teach It
David Murr of Dartmouth College explains why study the magnetosphere at the Poles: the closer to the pole, the closer you are to the outer boundaries of the Earth. In doing this, he also sees the connection between the people and the land. Run time 0... [more]
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1022 Views:
Interaction Between Earth's Core and the Magnetic Field
From Curriki, produced by Learn It Teach It
Part I in the discussion What is the interaction between Earth's core and the magnetic field? Therese Moretto Jorgensen – National Science Foundation reports involvement in a satellite project studying the magnetic field around the Earth and it’s rel... [more]
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
996 Views:
Interactions between the Magnetosphere and Earth's Magentic Fields
From Curriki, produced by Learn It Teach It
Part 3 in the discussion on What are the interactions between the magnetosphere and Earth's magnetic fields? Gabby Provan – Leicester is specifically studying how this affects the aurora through observation and radar data. Run time 02:49.
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1041 Views:
Why Study the Magnetosphere at the Poles? - Continued
From Curriki, produced by Learn It Teach It
The discussion Why study the magnetosphere at the poles? is continued by Shin-ichiro Oyama – STEL, Nagoya who notes that there are more dramatic changes at the poles, e.g., the aurora. He is intrigued by the many things still to be explored and the b... [more]
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
1088 Views:
Magnets
From learner.org, produced by California Institute of Technology
William Gilbert, personal physician by appointment to her Majesty Queen Elizabeth I of England, discovered that the earth behaves like a giant magnet. Magnetism as a natural phenomenon, the behavior of magnetic materials, and the motion of charged pa... [more]
March 22, 2010 at 11:03 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
1025 Views:
Magnetic Fields
From learner.org, produced by California Institute of Technology
All magnetic fields can be thought to be produced by electric currents. The relationship between a current and the magnetic field it produces is a little peculiar geometrically, and takes some getting used to. The law of Biot and Sarvart, the force b... [more]
March 22, 2010 at 11:04 PM
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