Weathering And Soil Crossword Puzzle

Weathering and Soil

Across

Down

rich soil that is made up of equal parts of silt, clay, and sand

organism that breaks down dead organism that returns materials to soil

the breaking down of rock through chemical changes

geologic principle that states the same processes that operate today have operated in the past

A method in which weeds and dead stalks from past crops get plowed into ground

management of soil to limit its destruction

when water seeps into cracks and freezes and expands the rock

Plowing fields along the curves to prevent soil loss

planting of crops from year to year to maintain soil richness

anything that occurs in the environment that humans use

chemical and physical processes that breakdown rock

a layer of soil that can change in color and texture from layers below or above it

a characteristics of a material with connected air space or pores that allow water to seep through

a measure of how well soil supports plant growth

range of values that show how acidic a substance is

weathering in which rock is physically broken down

dark colored material in soil

loose weather material on earth that allows plants to grow

layer of soil below topsoil with less plant and animal matter and consist of mostly clay

Solid layer of rock beneath the soil

the topmost layer of soil made up of clay and humus

The grinding away of rock by other rock particles carried in ice, water or wind

process by which ice, water, wind, or gravity moves particles of rock and soil

Answer