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Earth's Systems

Grade 6

TermDefinition
Melting when a substance changes from a solid to a liquid
Crystallization the process of separating solid compounds from the solution in the form of crystals
Weathering the breaking down or dissolving of rocks and minerals on the surface of the Earth
Sedimentation process of particles settling to the bottom of a body of water
Igneous rocks or minerals formed by the cooling and hardening of magma or molten lava
Sedimentary rocks formed from pre-existing rocks or pieces of once-living organisms
Metamorphic rocks that are subjected to high heat, high pressure, or hot mineral-rich fluids
Geologic features the details of the Earth's surface, such as mountains, valleys, rivers, and lakes
Tectonic plates large slabs of rock that divide Earth's crust
Boundary types of connections between tectonic plates
Trench long, narrow depressions on the seafloor
Fault lines a long crack in the surface of the earth
Cycle sequences of events or processes that repeat themselves
Evaporation process that changes a liquid to a gas
Condensation when a gas turns to a liquid
Precipitation water released from clouds in the form of rain, freezing rain, sleet, snow, or hail
Transpiration process by which plants remove excess water through the surface of leaves
Surface runoff when there is more water than land can absorb
Mineral a naturally occurring inorganic element or compound
Groundwater water that exists underground beneath the land surface
Geologic process natural forces that shape the physical planet (earthquakes, volanoes, etc.)
Geology the study of the Earth
Popular Science sets

 



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