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Weathering and Erosion 4-ESS2-1

NGSS

abrasion

the wearing away of rock by other rock or sand particles
abrasion Simple Definition

chemical weathering

the breakdown of rock through chemical processes, like acid rain
chemical weathering Simple Definition

erosion

the process in which rock is worn away and transported by water, wind or ice
erosion Simple Definition

ice wedge

when water seeps into a rock, then freezes and expands, cracking the rock
ice wedge Simple Definition

mechanical weathering

the breaking of rocks without any chemical change, like by plant roots
mechanical weathering Simple Definition

weathering

the processes which break down rocks
weathering Simple Definition

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