GEOL 1001 Lecture : Lecture 1 Notes
Document Summary
Mississippi river erodes through sand and sediment: ex. Plate tectonics: use both when understanding how the earth works, don"t violate natural laws. Interpretation and observations should not violate natural laws: scientific method, scientific theory- explanation after testing; has not been disproven; accepted by scientific world, scientific hypothesis- something valid that you think explains an observation. Hydrosphere: all of the water that make up the earth, oceans, fresh water, glaciers, groundwater. Geosphere: composition of earth"s interior, mountains, rocks. Nebular theory- big bang initiating everything in the universe, collapsing stars, forming elements; tiny particles collect. Lithosphere- crust and upper mantle contained in the lithosphere; brittle. Rock cycle: any rock can become another type depending on process that the rock undergoes, subsystem in the geosphere. In class quiz questions: lava cools to form ______, igneous rock, lithified sand forms ______, sedimentary rocks, rock under high heat and pressure forms ______, metamorphic rock, which is the outermost and thinnest layer, crust.
