Term
|
Definition
| process that breaks down rock and other substances at earth's surface |
|
|
Term
|
Definition
| the movement of rock particles by wind, water, ice or gravity |
|
|
Term
| mechanical/physical weathering |
|
Definition
| weathering in which rock is physically broken into smaller pices |
|
|
Term
|
Definition
| refers to grindingaway of rock by rock particleswater, ice, wind , or gravity |
|
|
Term
|
Definition
| the process that splitsthat splits rock when water seeps into cracks,then freezes and expands |
|
|
Term
|
Definition
| the process that breaks down rock through chemical changes |
|
|
Term
|
Definition
| a material that is full of tiny, conected air spaces, that allow water to seep through it |
|
|
Term
|
Definition
| loose, weathered material on Earth's surface in which plants can grow |
|
|
Term
|
Definition
| solid layer of rock beneath the soil |
|
|
Term
|
Definition
| dark colored substance that forms as plant and animal remains decay |
|
|
Term
|
Definition
| a layer of soil tha differs in color and texture from the layers above or below it |
|
|
Term
|
Definition
| a crumbley, dark brown soil that is a mixture of humus, clay, and other materials |
|
|
Term
|
Definition
| usually consists of clay and other rock paticles wased down from the topsoil but little humus |
|
|
Term
|
Definition
| the organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals |
|
|
Term
|
Definition
| the thick mass of tough roots at the surface of the soil |
|
|
Term
|
Definition
| resource that is naturally replaced in a relatively short time |
|
|
Term
|
Definition
| the area of the Great Plains where wind erosion caused soil loss durring the 1930's |
|
|
Term
|
Definition
| the management of soil to prevent its destruction |
|
|
Term
|
Definition
| the practise of plowing fields along the curves and slopes of the field |
|
|
Term
|
Definition
| the loose layer made when plants shed thier leaves |
|
|
Term
|
Definition
| soil that is made up of about equal parts of clay, sand and silt |
|
|
Term
|
Definition
| disturbs the soil and its plant cover as little as possible |
|
|
