GSC 103 Study Guide - Midterm Guide: Aridisol, Horizon Organic, Mollisol

• School: University of Miami
• Department: Geological Sciences
• Course: GSC 103
• Professor: P E T E R L E E C H

Document Summary

Law many observations lead to a law. Hypothesis an attempt to explain why we observe what we do. Theory highest level of truth in science. A theory can always be proven false (with a counterexample) Layers of the earth: atmosphere, crust, mantle, outer core, inner core. Atmosphere air surrounding earth (mainly nitrogen, oxygen) Crust stony surface of earth made up of oceanic and continental crust. Mantle layer under crust made up of rigid lithosphere and plastic asthenosphere. Outer core metallic liquid part of core. Inner core metallic liquid part of core under immense pressure, so it is solid. Condritic meteorites mixture of metal and stony material. Earth"s crust more stony and less metallic than condritic meteorites. Iron meteorites, stony meteorites, and the differentiation of the earth. Differentiation of the earth homogeneous accretion metallic material sinks toward center of. Earth, stony material stays near surface because of difference in density. 78% nitrogen, 21% oxygen, argon, carbon dioxide, and others.