The Plates And A Liquid In The Core
Thursday, July 30, 2009 • 7:28 PM • 0 comments
The PlatesThere are also huge landmasses on our planet. The rock plates that float across the surface are called tectonic plates. Those plates float on the mantle. The mantle is an area between the core and the crust. That mantle is basically filled with molten rock. It is kept in a liquid state because of the energy given off by the center (core) of the Earth. Scientists have also discovered that the pressure increases as you move towards the center of the planet. The core of the Earth has extreme temperatures and pressures that keep the iron and metals liquid and flowing.
And A Liquid In The CoreThe flowing metal in our planet helps create something called a dynamo effect. Dynamos create large magnetic fields. In the case of the Earth, the magnetic field protects our planet from space. The region of magnetic protection is called the magnetosphere and protects us from the solar winds and solar radiation. You can see where solar winds and the magnetosphere collide in the aurora borealis. Please visit at http://www.geography4kids.com/files/earth_intro.html if you want to know more.
xoxo, Mrs. Zayn Malik
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