Front

The wearing down of material by bumping, bouncing, rolling and grinding against another.

Back

abrasion

Front

The decomposition of rocks due to reaction of the minerals that make it up with the atmosphere resulting in a new material.

Back

chemical weathering

Front

The transportation of weathered materials by natural means from one point to another.

Back

erosion

Front

Movement of sediment downslope

Back

Mass movement

Front

The breakdown of rocks into smaller pieces without changing the composition

Back

physical weathering

Front

Reaction of minerals in a rock with oxygen

Back

oxidation

Front

Loose weathered rock and organic material in which plants can grow.

Back

soil

Front

The breakdown of rock by either physical or chemical means.

Back

weathering

Front

describes how easily liquid passes through rock or soil

Back

permeability

Front

The amount of pore space a rock or soil has

Back

porosity