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36 Cards in this Set
- Front
- Back
Creation theory |
Based on the bible |
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Hinduism Belief Theory sht |
-oscillating universe -Brahmanda to Bindu |
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Primordial Universe |
-anaxagoras -mixture was not entirely uniform |
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Atomic universe |
-leucippus and democritus -universe is like a GIANT LIVING BODY |
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Geocentric Universe |
-Aristotle ans Ptolemy -earth is motionless and is the center |
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Theory of Heliocentrism |
-nicolaus copernicus -earth is not the center |
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Cartesian Vortex |
-Rene descartes -vaccuum of space |
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Edwin Hubble |
This American astronomer showed that the universe was not static |
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gravity, electromagnetic force, strong nuclear force, weak nuclear force |
Four fundamental forces |
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Oscillating Universe |
-Einstein's favored model |
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Steady State Theory |
-By Hoyle, Gold, Bondi -universe expanded but did not change its density |
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Encounter Hypothesis |
-rouge star passed close to the sun -stripped hot gases from bith the sun and star -spinned the same direction as the sun and planets formed |
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Nebular Hypothesis |
states that the solar system started as -large cloud of gas contracted due to self gravity -rotating disk -proto sun -planets |
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Protoplanet Hypothesis |
-this suggests that the solar system was formed when a great cloud of gas and dust rotated slowly, then it shrank bc of its gravity and collapsed |
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Volcanism, icy meteors |
Two believed ways on how there is water on earth |
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Internal heating of Earth and external heating from sun |
Heat that is necessary for sustaining life |
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Geo hydro bio atmos |
4 basic subsystems |
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Geosphere |
-Solid earth |
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Biogeochemical cycle |
-pathways by which chemical substances move through the biotic and abiotic components of earth |
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Mineral |
-naturally occurring, inorganic solid with a definite chemical composition and an ordered internal structure |
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Silicates |
-a composition of mineral -major rock forming minerals silicon-oxygen, olivine, quartz |
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Oxides |
-composition of minerals -metal cations to oxygen anions -ex magnetite, hematite |
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Sulfides |
-composition of minerals -metal cation bonded to sulfide -common ore minerals alongside oxides -ex. Galena and pyrite |
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Sulfates |
-composition of minerals -ex. Gypsum |
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Crystal Habit |
-external shape of a crystal |
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Cleavage |
-the tendency of a mineral to break is called |
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Luster |
-this describes the appearance of light in a mineral |
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Streak |
-the color of a mineral in its powdered form |
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Lithification |
Transforms sediments into sedimentary rocks |
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Heat/ Pressure |
Two factors of metamorphism |
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Intrusive Igneous Rocks |
-below the surface -slowly cooling magma |
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Extrusive or volcanic igneous rock |
-on the surface -raoidly cooling lava |
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Pyroclastic igneous rocks |
-on the surface -consolidation of particles -may solidify as small as ash or as large as basketball |
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Crystalline and Pyroclastic |
Two classifications of igneous rocks |
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Crystalline Igneous rock |
-this classification of igneous rock is from cooled magma or lava |
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Ores |
Naturally occurring materials that can he profitably mined |