Alex's Biological Weathering in Ashurst Wood
Elizabeth's Biological Weathering on her driveway
Hattie's Chemical Weathering on her steps
Ignacio found Biological Weathering in Hyde Park
Maja found some limestone at home that had been Chemically weathered
Theo found some possible Freeze-Thaw action at home.
No-one found any evidence of onion-Skin Weathering (exfoliation). Why do you think that this was harder to find?