Why does Earth have a Magnetic Field

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=t2NqVJtNp6Y

Thanks for watching! • Links to learn more about Earth's Magnetic Field: • More on pole flips: • http://www.geomag.bgs.ac.uk/education... • More on how Earth's magnetic field The Geodynamo forms: • http://www.es.ucsc.edu/~glatz/geodyna... • References: • Cromie, William J. Putting a New Spin on Earth's Core. Gazette. Harvard University, 15 Aug. 1996. Web. 20 Dec. 2014. http://news.harvard.edu/gazette/1996/... • Earth Magnetic Field Declination from 1590 to 1990. N.d. Wikimedia. Web. 6 Dec. 2014. • http://commons.wikimedia.org/wiki/Fil... • Electromagnets: Two Forces Team Up. Magnet Lab. Florida State University, n.d. Web. 6 Dec. 2014. http://www.magnet.fsu.edu/education/t... • Geodynamo. Earth and Planetary Sciences. University of California Santa Cruz, n.d. Web. 6 Dec. 2014. http://www.es.ucsc.edu/~glatz/geodyna... • Hillhouse, John. Variations in the Earth's Magnetic Field. N.d. Wikimedia. Web. 6 Dec. 2014. http://upload.wikimedia.org/wikipedia... • Luyendyk, Bruce Peter. Marine Magnetic Anomalies. Encyclopedia Britannica Online. Encyclopedia Britannica, 6 Jan. 2014. Web. 6 Dec. 2014. http://www.britannica.com/EBchecked/t... • Magnetic Field of the Earth. HyperPhysics. Georgia State University, n.d. Web. 6 Dec. 2014. http://hyperphysics.phy-astr.gsu.edu/... • Maps of Magnetic Elements from the WMM2015. 2014. National Geophysical Data Center. Web. 6 Dec. 2014. http://www.ngdc.noaa.gov/geomag/WMM/i... • Reversals: Magnetic Flip. British Geological Survey. Natural Environment Research Council, n.d. Web. 10 Dec. 2014. http://www.geomag.bgs.ac.uk/education... • Siegel, Ethan. Why Does the Earth Have a Liquid Core? Starts With A Bang. ScienceBlogs, 28 Sept. 2011. Web. 6 Dec. 2014. http://scienceblogs.com/startswithaba... • The Truth about Earth's Core? Science Beat. Berkeley Lab, 12 May 2003. Web. 6 Dec. 2014. http://www2.lbl.gov/Science-Articles/... • What Causes the Earth's Magnetic Field? Physics.org. Institute of Physics, n.d. Web. 6 Dec. 2014. http://www.physics.org/article-questi...

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