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Earth's Changing Surface: Ch. 2-1 Vocab


weatheringprocess that breaks down rock and other substances
erosionmovement of rock particles by wind, water, ice or gravity
mechanical weatheringtype of weathering in which rock is physically broken into smaller pieces
abrasionthe grinding away of rock by rock particles carried by water, ice, wind, or gravity
ice wedgingwedges of ice in rocks widen and deepen cracks
chemical weatheringprocess that breaks down rock through chemical changes
permeablea material is full of tiny, connected air spaces that allow water to seep through easily

7th and 8th Grade Science Instructor
Minneapolis Jr. Sr. High School
Minneapolis, KS

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