You searched for: “physical weathering
physical weathering
  • Temperature changes, weakening rocks by expansion and contraction.
  • Frost, wedging rocks pushing them apart by the expansion of water when freezing.
  • Unloading, the loosening of rock layers by the release of pressure after the erosion and removal of those layers.
This entry is located in the following unit: Meteorology or Weather Terms + (page 5)