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Rocks for Iphones

Igneous Rock Forms when molten rock cools and hardens
Metamorphic Rock Forms when heat and pressure alter existing rock
Sedimentary Rock is made of sediment that has been deposited, compacted, and cemented
Rocks Mixture of two or more minerals
Magma Molten rock found beneath Earth
Weathering Breakdown of materials in the Earth's crust
Erosion Process of transporting sediment by rain, wind, or ice
Igneous Rock Examples Granite, obsidian, pumice
Metamorphic Rock Examples Gneiss, slate, marble
Sedimentary Rock Examples Limestone, sandstone, conglomerate
Lava Magma that reaches Earth's surface
Size of Crystals Determined By how quickly the rock cooled
Coal is used for Electricity
Crushed rock is Used for Roads
Rock Cycle one type of rock is changed to a new type of rock
Extrusive Igneous Rock Result of lava cooling quickly
Created by: nwysocki