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DESCRIPTION
Astronomical Influences. Plate Tectonics. Planetary Chemistry. Earth/Moon System. Past and Future. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500. $500. $500. C1 $100. - PowerPoint PPT PresentationTRANSCRIPT
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Plate Tectonics
Astronomical Influences
Planetary Chemistry
Earth/MoonSystem
Past andFuture
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Earth has elements heavier than lead. This is supporting
evidence for this to have happened before the formation of our
solar system.
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What is a Supernova?
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http://www.carspace.com/.5bd9a683/cmd.233/embedded..5c46da6b
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Comets are from this region of our solar
system.
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What is the Oort Cloud?
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http://astro.berkeley.edu/~conor/ay250/pluto.html
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Asteroids are primarily from this region in our solar
system.
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What is the Asteroid Belt?
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http://www.semp.us/_images/biots/Biot443PhotoA.jpg
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The hypothesis that Earth-like planets are
rare because they must be found in this
zone in the Galaxy and position in their solar
system.
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What is the Habitable Zone?
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http://www.star.le.ac.uk/edu/Extrasolar.shtml
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The Earth’s Eccentricity (elliptical orbit), obliquity (tilt)
and precession (wobble) can be
correlated to the ice ages and warming periods between
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What are the Milankovitch Cycles?
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The Himalayas are an example of this type
of plate boundary
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What is convergent plate boundary?
http://courses.unt.edu/hwilliams/GEOG_3350/examreviews/exam1images/Fg17_23c.jpg
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The spreading on the Atlantic sea floor is a
type of this.
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What is a diverging plate boundary?
http://www.whoi.edu/cms/images/lstokey/2005/1/v42n2-mativey3en_5727.jpg
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These boundaries grind sideways
against each other.
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What is a transform boundary?
http://www.visionlearning.com/library/modules/mid66/Image/VLObject-3571-060216020229.jpg
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The Super-continent that formed ~250 MYA
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What is Pangaea?
Scotese, C.R., 2002, http://www.scotese.com, (PALEOMAP website)
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In the theory of plate tectonics, the plates
are part of this, riding on the viscous asthenosphere.
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What is the lithosphere?
http://www.suu.edu/faculty/colberg/Hazards/PlateTectonics/PlateBoundaries.jpg
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This molecule.
http://www.globalwarmingart.com/images/b/b1/Water_Molecule_VdW.png
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What is Water?
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This molecule.
http://upload.wikimedia.org/wikipedia/commons/a/af/Carbon-dioxide-3D-vdW.svg
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What is carbon dioxide?
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The three oxygen molecule that is formed by and
absorbs ultra-violet radiation.
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What is Ozone?
http://blogs.nature.com/climatefeedback/Ozone_Molecule_VdW.png
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The most important greenhouse gas.
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What is water vapor?
http://udl.concord.org/activities/CloudActivity/images/cloud-in-air-wiki.jpg
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This is what greenhouse gases
absorb.
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What is infra-red radiation?
http://www.cyberphysics.pwp.blueyonder.co.uk/topics/radioact/Radio/EMSpectrumcolor.jpg
Heat
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The hypothesis that the Earth was struck
by a Mars-sized object and resulted in this.
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What is the moon’s origin?
http://jeffreykishner.com/images/full_moon_large.jpg
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Rock formed when it is melted and then
cooled.
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What is Igneous Rock?
http://windward.hawaii.edu/facstaff/mccoy-f/lava2sm.jpg
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Rock formed by heat and pressure.
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What is metamorphic rock?
http://www.tuttomosaico.com/2005/images/TS-MARBLE-ALL1.jpg
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Rock formed from particles of weathered
rock, cemented together with
minerals. Most fossils are found in this type
of rock.
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What is sedimentary rock?
http://static.howstuffworks.com/gif/age-dinosaur-bones-2.jpg
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This convergent boundary is how Mt.
St. Helens was formed (because of these two
types of plates).
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What is the result of continental and oceanic plates
meeting?
http://www.alancolville.com/plates/cascades.jpg
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This protects us from solar winds.
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What is the magnetosphere?
http://en.wikipedia.org/wiki/Geomagnetic
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How the sun has changed through time.
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What is getting bigger and hotter?
http://www.tc.cornell.edu/~slantz/SPUR/SPUR97/sun_pictures/
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This is the origin of our magnetic fields.
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What is the metal liquid outer core?
http://science.nasa.gov/headlines/Y2003/images/magneticfield/world-pr.gif
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The estimated age of life based on chemical
evidence.
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What is 3.8 GYA (billion years old)?
http://www.sciencedaily.com/releases/2006/07/060721090947.htm
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This had to form before life could survive on land.
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What is the Ozone layer?
http://garybrandastrology.com/images/Earth%20-%202005%20hole%20in%20ozone%20layer.gif
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Mass Extinctions
Final
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The greatest extinction event in the
history of our Earth, estimated to have
killed about 99% of all life.
Final
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What is the Permo-Triassic Extinction?
http://evolution-textbook.org/content/free/figures/10_EVOW_Art/37_EVOW_CH10.jpg
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Global Environmental ChangeSpring Term 2009
Jeopardy template was created by Dr. Robert Pettis, Director
An Adventure of the American Mind, University of South Carolina Spartanburg
This Jeopardy game was created by
(Barbara J. Shaw Ph.D.)(Barbara J. Shaw Ph.D.)