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wgu mod 11 science
ISA4/ISC4
Question | Answer |
---|---|
study of the solid and liquid matter that constitutes the Earth | geology |
a consolidated mixture of two or more minerals | rocks |
a naturally occurring inorganic material that has both a definite chemical composition and a crystalline structure | minerals |
rocks fromed from the accumulation of weathered material (sediments) carried by water, wind, or ice | seimentary rocks |
rock formed by the crystallization of magma or lava | igneous rocks |
rock made of preexisting rock that has been altered by high pressure, high temperature, or hot solutions to become more stable under new conditions | metamorphic rocks |
a model that summarizes the formation, breakdown, and reformation of rock as a result of igneous, sedimentary, or metamorphic processes | rock cycle |
the comprehensive geological theory stating that Earth's outer layer is comosed of lithospheric plates that float on, and move along with, the relatively plastic asthenosphere | plate tectonics |
convergent, divergent, and transform | plate boundaries |
slow changes by mechanical or chemical agents at or near Earth's surface that disintegrate or decompose rock | weathering |
weathering de to frost | frost shattering |
the process by which weathered particles are removed and transported by a stream, a glacier, the wind, or some other mobile agent | erosion |
the topography of the Earth (the shape of its surface) is defined by surface features or known as... | landforms |
the time scale that subdivides earth's 4.5 billion year history into time units of different sizes, from eons to epochs | geologic timeline |