Question: what are the 6 types of mechanical weathering?
Answer: Frost Wedging or Freeze-Thaw. ••• Water expands by 9 percent when it freezes into ice. ...  Crystal Formation or Salt Wedging. ••• Crystal formation cracks rock in a similar way. ...  Unloading and Exfoliation. ••• ...  Thermal Expansion and Contraction. ••• ...  Rock Abrasion. ••• ...  Gravitational Impact. •••