Unit 8 Vocabulary: WED & Ecoregions

the breaking down of rock

• sediments

• weathering

• deposition

• erosion

the small pieces of sand and rock are called

• sediments

• weathering

• deposition

• erosion

the movement of sediments from one place to another

• sediments

• weathering

• deposition

• erosion

sediment stops and settles into a new place

• sediments

• weathering

• deposition

• erosion

rock and sediments grinding against each other wearing away surfaces is called

• erosion

• abrasion

• scratching

• deposition

changes rock into another substance

• chemical weathering

• abrasion

• erosion

• mechanical weathering

breaks down rock without changing its composition

• chemical weathering

• abrasion

• erosion

• mechanical weathering

a type of landform created by erosion;

form where river ends and meets the ocean.

• delta

• fan

• valley

• ridge

study of the environment of a particular area of land

• ecosystem

• ecoregion

• economy

• ecological succession