Vocab Flashcard #17

Front

A soil substance that is soft and sticky when wet, hard when dry.

Back

Clay

Front

Component of soil made of small rock pieces; smooth texture.

Back

Gravel

Front

Component of soil from weathered rocks; gritty texture

Back

Sand

Front

Component of soil with smaller particles than sand, smoother texture

Back

Silt

Front

Upmost soil layer, dark due to organic matter.

Back

Topsoil

Front

Rocks, air, water

Back

Components of Soil

Front

Animal or plant matter broken down by decomposers like worms and insects

Back

Decompose

Front

Decaying plant and animal material in soil

Back

Humus

Front

A substance needed for survival and growth

Back

Nutrient

Front

To hold inside, as soil does with water

Back

Retain