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Rock Cycle
""6th grade rock cycle""
| Term | Definition |
|---|---|
| rock forming mineral | any of the common minerals that make up most of the rocks of Earth's crust |
| granite | a usually light colored igneous rock that is found in continental crust |
| basalt | a dark, dense igneous rock with a fine texture found in oceanic crust |
| grain | the particles of minerals or other rocks that give a rock its texture |
| texture | the look and feel of a rock's surface, determined by the size, shape, and pattern of a rock's grains |
| igneous rock | a type of rock that forms from the cooling of molten rock at or below the surface |
| sedimentary rock | a type of rock that forms when particles from another rock or the remains of plants and animals are pressed or cemented together |
| metamorphic rock | a type of rock that forms from an existing rock that is changed by heat, pressure or chemical reactions |
| extrusive rock | igneous rock that forms from lava on Earth's surface |
| intrusive rock | igneous rock that forms when magma harden beneath Earth's surface |
| sediment | small, solid pieces of mineral that come from rocks or the remains of organisms; earth materials deposited by erosion |
| weathering | the chemical and physical process that break down rock and other substances |
| erosion | the process by which water, ice, wind, or gravity moves weathered particles of rock and soil |
| deposition | process by which sediment is laid down in new locations |
| compaction | the process by which sediments are pressed together under their own weight |
| cementation | the process by which dissolved minerals crystallize and glue particles of sediment together into one mass |
| clastic rock | sedimentary rock that forms when rock fragments are squeezed together under high pressure |
| organic rock | sedimentary rock that forms from remains of organisms deposited in thick layers |
| foliated | term used to describe metamorphic rocks that have grains arranged in parallel layers or bands |
| rock cycle | a series of processes on the surface and inside Earth that slowly changes rocks from one kind to another |
| magma | hot fluid rock below Earth's surface. It cools and crystallizes to becom igneous rock |
| melting | change in state from solid to a liquid. Solid rock melts from heat, when pushed back into mantle becoming magma |
| heat and pressure | changes rocks form one type to another and can the the rock's texture and structure |
| cooling | lacking in warmth and may cause a change of state |
Created by:
studyskills56
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