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Chapter6

The Rock Cycle

QuestionAnswer
Mineral A solid substance that occurs naturally in rocks or in the ground.
rock A solid substance made up of one or more minerals.
igneous A type of rock that forms from melted rock that cools and hardens.
sedimentary A type of rock that forms when layers of sediment are pressed togather.
metamorphic A type of rock that forms heat or pressure change an existing rock.
rock cycle The sequence of processes that change rocks from one type to another over long periods.
weathering The breaking down of rocks on earths surface into smaller pieces.
erosion The process of moving sediment from one place to another.
humus The remains of decayed plants or animals in the soil.
horizon A layer in the soil.
bedrock The solid rock that forms Earths surface
sand The largest particles that make up soil.
clay The smallest particles that make up soil
Created by: JamiePeterson
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