The Earth's inner core is the Earth's innermost part and according to
seismological studies, ... 1 Discovery; 2 Composition; 3 Temperature and
pressure; 4 Dynamics; 5 History; 6 See also; 7 ...
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Earth is a sphere made of several layers: the inner core, outer core, mantle and ...
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Dr. Inge Lehmann (1888-1993), discoverer of the Earth's inner core. Photo
courtesy of B.A. Bolt. How can we find out what's happening deep inside the
Earth's innermost section is called its inner core, and is believed to be just as hot
... It was once believed that the earth's inner core was liquid, but Inge Lehmann -
a ... 2nd Grade · 3rd Grade · 4th Grade · 5th Grade · Middle School · High School
... lab experiments, meteorite analysis, co...
diagrams to learn more about. the interior of the earth. Inner Core. Outer Core.
Mantle. Crust. Inner core. An extremely hot, solid sphere of mostly. iron and nickel
Nov 15, 2013 ... Learn about the layers of the Earth and make a model! Create a ... Second Grade
... It's only 3 to 5 miles deep under the oceans and about 25 miles deep on land.
... This moving mantle layer pushes the earth's plates around.
Core: The Earth has a iron-nickel core that is about 2,100 miles in radius. The
inner core may have a temperature up to about 13,000°F (7,200°C = 7,500 K), ...
Aug 17, 2015 ... Earth's core is the very hot, very dense center of our planet. ... Lehman was the
first to identify Earth's solid inner core, and became a leading expert .... lab
experiments with temperature and pressure, and computer modeling.