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Science Rocks
6 cards·by Tammy12919
igneous rock
a rock that forms when completely melted rock hardens
sedimentary rock
rock formed by layers of sediments squeezed and stuck together over a long time
rock
a material made up of one or more minerals
metamorphic rock
a rock changed by heat or pressure but not completely melted
weathering
process by which rocks are broken down into smaller pieces
erosion
process by which wind and moving water carry away bits of rock