Earth Science 104Scientific Inquiry Hypothesis vs. TheoryCompositionProperties of Earth’s interiorHydrologic CycleHydrologic CycleIntroductionBig Bang forms all matterNebular HypothesisNebular Hypothesis of Solar System Formation.Earth Science 104Karen Brownwww.wou.edu/~brownkBeginning third year at WOU12 years college teaching experienceMaster of Science in GeologyScientific Inquiry• Gather data• Formulate plausible explanations• Devise tests and predictions• Revise, reject or accept explanationsHypothesis vs. Theory• Hypothesis is an explanation that requires testing• Theory has been tested, and is supported by the evidence, and predicts things not used to formulate the hypothesis• Paradigmis a theory that explains wide ranging sets of observationsComposition•Crust• Mantle•CoreProperties of Earth’s interiorLithosphereAsthenosphereLower mantleOuter coreInner coreHydrologic CycleHydrologic Cyclehttp://www.mnforsustain.org/water_climate_global_water_cycle_study.htmIntroduction• No lab this week• Must pass lab to pass this class• Instructors will give percent lab grade to one anotherBig Bang forms all matterNebular Hypothesis• Formed our solar system–Sun– Planets– Asteroids and comets• Rotating cloud of dust and gases collapses into these bodiesNebular Hypothesis of Solar System
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