Soil Vocab Flashcard

Front

Layer of loose materials covering Earth's surface.

Back

Soil

Front

Foods/substances needed by plants and animals to live and grow are ________.

Back

nutrients

Front

Component of soil that holds water well: _______

Back

clay

Front

Fragments of _____ found in soil.

Back

rock

Front

Small broken rock pieces, larger than clay but smaller than sand.

Back

Silt

Front

Small grains of worn-down rock with few nutrients and poor water retention.

Back

sand

Front

Decayed, once-living matter in soil that enriches topsoil.

Back

humus

Front

Upper soil layer rich in humus, ideal for plants.

Back

topsoil

Front

Middle soil layer, not good for plants.

Back

subsoil

Front

Bottom soil layer, poor for plants.

Back

bedrock