water stored below Earth's surface

• groundwater

• cementation

• deposition

• precipitate

a rock that forms when layers of sediments get cemented together

• cementation

• sediment

• bedrock

• sedimentary rock

the settling of sediments

• cementation

• deposition

• erosion

• abrasion

sediments that are smaller than gravel but bigger than silt

• clay

• shale

• silt

• sand

the rock that makes up Earth's crust beneath the soil

• bedrock

• sedimentary rock

• erosion

• sediment

the process by which larger rocks crack and break apart over time to form smaller rocks

• compaction

• cementation

• erosion

• weathering

a low-lying area where water may accumulate

• erosion

• abrasion

• delta

• basin

A sedimentary rock formed by the deposition of layers of clay, silt, and mud.

• sandstone

• bedrock

• shale

• limestone

material formed from decaying leaves and other organic matter

• humus

• mineral

• sediment

• shale

tiny sediments that are smooth or slick; smaller than sand and silt, it is difficult to see just one

• shale

• silt

• sand

• clay