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ES Ch 3.1
Rocks
Term | Definition |
---|---|
igneous rock | A rock formed by crystallization of molten magma |
lava | Magma that reaches Earth's surface |
magma | Body of molten rock found beneath Earth's surface |
metamorphic rock | A rock formed by the alteration of preexisting rock deep within Earth by heat |
rock cycle | The continuous processes that changes the make up of rocks |
sedimentary rock | A rock formed by preexisting products |
sediments | Loose particles created by weathering, erosion and chemical precipitation |
weathering | A process in which rocks are physically and chemically broken down by water, gravity, glaciers, or wind |