Science Bowl Question

W) Rockfalls – large blocks of bedrock break off a cliff face and tumble downslope

X) Earthslides – heavy rainfall saturates the soil, which under the extra weight breaks loose and becomes a slurry that takes everything with it

Y) Slumps - masses of soil moving down a slip face, usually the top of the bedrock

Z) Debris flows – the rotation of a cohesive unit of soil or rock down a slip surface