Water freezes in rock cracks and splits the rock., Physical Weathering, Chemical Weathering, Iron in rocks turns reddish-brown like rust., Physical Weathering, Chemical Weathering, Acid rain dissolves limestone and forms caves., Physical Weathering, Chemical Weathering, Water changes hard rock into soft clay., Physical Weathering, Chemical Weathering, Tree roots grow into rocks and break them apart., Physical Weathering, Chemical Weathering, Plant roots release acids that weaken rocks., Physical Weathering, Chemical Weathering, Strong wind blows sand and makes rocks smaller., Physical Weathering, Chemical Weathering, Salt crystals grow in rock holes and push pieces out (tafoni)., Physical Weathering, Chemical Weathering, Rocks crack because of hot days and cold nights., Physical Weathering, Chemical Weathering, Rocks dissolve slowly in rainwater like sugar in water., Physical Weathering, Chemical Weathering

Soil Formation

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