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; Beneath the mantle is the Earth's core. The Earth's core consists of a fluid outer core and a solid inner core. Because the outer core contains iron, when it flows it generates a magnetic field. This is the source of the Earth's magnetic field.
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www.thetech.org/exhibits_events/online/quakes/inside/co...
www.thetech.org/exhibits_events/online/quakes/inside/core.html
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Structure of the Earth - Wikipedia, the free encyclopedia
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The interior structure of the Earth , similar to the other terrestrial planets, is layered. These layers can be defined by either their chemical or their rheological properties. The Earth has an out...
en.wikipedia.org/wiki/Structure_of_the_Earth
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Inner core - Wikipedia, the free encyclopedia
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The inner core of the Earth, its innermost hottest part as detected by seismological studies, is a primarily solid sphere about 1220 kilometer in radius, only about 70% that of the Moon. It is belie...
en.wikipedia.org/wiki/Inner_core
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Subject: The Composition of the Earth's Core ... How do scientists know what is in the core of the earth? ... These must be in the core. Seven, to aid us in our assessment, we recall that we need metallic elements in high concentration somewhere in the interior of the Earth to generate our magnetic field. Also,
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www.soest.hawaii.edu/GG/ASK/earths_core.html
www.soest.hawaii.edu/GG/ASK/earths_core.html
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Scientists know that the outer layer of the earth is made of solid rock and that it warms as you dig deeper. Actual evidence exists down to a depth of about eight kilometers (five ... Beneath the crust is a layer of rock called the mantle. Even deeper is the core which scientists believe is made of solid iron and nickel.
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sln.fi.edu/earth/core.html
sln.fi.edu/earth/core.html
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The KML Core module includes the minimal subset of KML that would be expected for any implementation. Currently the elements of KML that would exist in Core include: ... High Earth Orbit » Blog Archive » KML 3 Kick-off, Module: Metadata says:
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highearthorbit.com/kml-3-kick-off-module-core/
highearthorbit.com/kml-3-kick-off-module-core/
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LinkLink View in 3DView in 3D CompareCompare ... Core of Earth; Item Level 45...
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www.wowhead.com/?item=7075
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Subject: How hot is it in the inner core of the earth ... Date: Fri Feb 16 06:06:22 2001; Posted by Kyle; Grade level: K-3 School: Mattie Wells; City: Macon State/Province: Georgia Country: United States; Area of science: Earth Sciences; ID: 982321582.Es...
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www.madsci.org/posts/archives/feb2001/983204531.Es.q.ht...
www.madsci.org/posts/archives/feb2001/983204531.Es.q.html
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The Earth's core is not directly accessible to scientists, so they've been forced to ingeniously develop a variety of novel approaches to glean information about the churning hot center of our planet. HowStuffWorks cracks open the story. ... earth core center lava...
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dsc.discovery.com/earth/earth-hsw/center-of-the-earth.h...
dsc.discovery.com/earth/earth-hsw/center-of-the-earth.html
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