Mass movement

Why would the slope become unstable?

• Because the slope got tired

• Because the base of the slope is no longer there to support it

• Because the rocks crushed the slope

• Because the rain affected the slope

_______ ______ adds to increased and heavy rainfall.

What is Mass Movement?

• Is the breakdown of rocks.

• Is erosion.

• Is the movement of loose, weathered material called scree.

• Is when peat becomes saturated with rainwater.

_____ ____ is the slow movement of soil downslope.

What is a bog burst?

• is when peat becomes saturated with rainwater.

• Is fast mass movements.

• Is when the base of a slope is cut away in order to make space for a road or railway.

• Slow movement of soil downslope.

The ____ of plants bind soil particles together and help prevent mass movement.

What is Gradient?

• Is when soil is saturated with water following heavy rainfall.

• Is fast mass movement.

• Of the slope is how steep it is.

• Is the lack of vegetation.

______ ____ can cause landslides

_________ ________ affects people and property.

_____ _____ occur when soil is saturated with water following heavy rainfall.