Soil and Sediment Flashcard

Front

The layer of soil that contains humus is called ____.

Back

topsoil

Front

The layer in which most plants grow is called ____.

Back

topsoil

Front

The layer that is made of solid, unweathered rock under layers of soil is called ____.

Back

bedrock

Front

Small bits of weathered rock and other material are called ____.

Back

sediment

Front

Sediment that is deposited at the mouth of a river makes the mouth of the river ____.

Back

shallower

Front

The moving of bits of weathered material from one place to another is called ____.

Back

erosion

Front

The dropping of sediment in a new place is called ____.

Back

deposition

Front

An area of sediment that builds up at the mouth of a river is called ____.

Back

a delta

Front

Soil is made of ____.

Back

weathered rock, water, air, and humus

Front

Two types of landforms are ____.

Back

mountains and dunes