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  1. Astronomical Influences Plate Tectonics Planetary Chemistry Earth/MoonSystem Past andFuture $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

  2. C1 $100 Earth has elements heavier than lead. This is supporting evidence for this to have happened before the formation of our solar system.

  3. C1? $100 What is a Supernova? http://www.carspace.com/.5bd9a683/cmd.233/embedded..5c46da6b

  4. C1 $200 Comets are from this region of our solar system.

  5. C1 $200 What is the Oort Cloud? http://astro.berkeley.edu/~conor/ay250/pluto.html

  6. C1 $300 Asteroids are primarily from this region in our solar system.

  7. C1 $300 What is the Asteroid Belt? http://www.semp.us/_images/biots/Biot443PhotoA.jpg

  8. C1 $400 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.

  9. C1 $400 What is the Habitable Zone? http://www.star.le.ac.uk/edu/Extrasolar.shtml

  10. C1 $500 The Earth’s Eccentricity (elliptical orbit), obliquity (tilt) and precession (wobble) can be correlated to the ice ages and warming periods between

  11. C1 $500 What are the Milankovitch Cycles?

  12. C2 $100 The Himalayas are an example of this type of plate boundary

  13. C2 $100 What is convergent plate boundary? http://courses.unt.edu/hwilliams/GEOG_3350/examreviews/exam1images/Fg17_23c.jpg

  14. C2 $200 The spreading on the Atlantic sea floor is a type of this.

  15. C2 $200 What is a diverging plate boundary? http://www.whoi.edu/cms/images/lstokey/2005/1/v42n2-mativey3en_5727.jpg

  16. C2 $300 These boundaries grind sideways against each other.

  17. C2 $300 What is a transform boundary? http://www.visionlearning.com/library/modules/mid66/Image/VLObject-3571-060216020229.jpg

  18. C2 $400 The Super-continent that formed ~250 MYA

  19. C2 $400 What is Pangaea? Scotese, C.R., 2002, http://www.scotese.com, (PALEOMAP website)

  20. C2 $500 In the theory of plate tectonics, the plates are part of this, riding on the viscous asthenosphere.

  21. C2 $500 What is the lithosphere? http://www.suu.edu/faculty/colberg/Hazards/PlateTectonics/PlateBoundaries.jpg

  22. C3 $100 This molecule. http://www.globalwarmingart.com/images/b/b1/Water_Molecule_VdW.png

  23. C3 $100 What is Water?

  24. C3 $200 This molecule. http://upload.wikimedia.org/wikipedia/commons/a/af/Carbon-dioxide-3D-vdW.svg

  25. C3 $200 What is carbon dioxide?

  26. C3 $300 The three oxygen molecule that is formed by and absorbs ultra-violet radiation.

  27. C3 $300 What is Ozone? http://blogs.nature.com/climatefeedback/Ozone_Molecule_VdW.png

  28. C3 $400 The most important greenhouse gas.

  29. C3 $400 What is water vapor? http://udl.concord.org/activities/CloudActivity/images/cloud-in-air-wiki.jpg

  30. C3 $500 This is what greenhouse gases absorb.

  31. C3 $500 What is infra-red radiation? Heat http://www.cyberphysics.pwp.blueyonder.co.uk/topics/radioact/Radio/EMSpectrumcolor.jpg

  32. C4 $100 The hypothesis that the Earth was struck by a Mars-sized object and resulted in this.

  33. C4 $100 What is the moon’s origin? http://jeffreykishner.com/images/full_moon_large.jpg

  34. C4 $200 Rock formed when it is melted and then cooled.

  35. C4 $200 What is Igneous Rock? http://windward.hawaii.edu/facstaff/mccoy-f/lava2sm.jpg

  36. C4 $300 Rock formed by heat and pressure.

  37. C4 $300 What is metamorphic rock? http://www.tuttomosaico.com/2005/images/TS-MARBLE-ALL1.jpg

  38. C4 $400 Rock formed from particles of weathered rock, cemented together with minerals. Most fossils are found in this type of rock.

  39. C4 $400 What is sedimentary rock? http://static.howstuffworks.com/gif/age-dinosaur-bones-2.jpg

  40. C4 $500 This convergent boundary is how Mt. St. Helens was formed (because of these two types of plates).

  41. C4 $500 What is the result of continental and oceanic plates meeting? http://www.alancolville.com/plates/cascades.jpg

  42. C5 $100 This protects us from solar winds.

  43. C5 $100 What is the magnetosphere? http://en.wikipedia.org/wiki/Geomagnetic

  44. C5 $200 How the sun has changed through time.

  45. C5 $200 What is getting bigger and hotter? http://www.tc.cornell.edu/~slantz/SPUR/SPUR97/sun_pictures/

  46. C5 $300 This is the origin of our magnetic fields.

  47. C5 $300 What is the metal liquid outer core? http://science.nasa.gov/headlines/Y2003/images/magneticfield/world-pr.gif

  48. C5 $400 The estimated age of life based on chemical evidence.

  49. C5 $400 What is 3.8 GYA (billion years old)? http://www.sciencedaily.com/releases/2006/07/060721090947.htm