The geologic principle that the same geologic processes that operate today operated in the past to change Earth's surface.

The processes by which water, ice, wind, or gravity moves weathered particles of rock and soil.

The chemical and physical processes that break down rock and other substances.

mechanical weathering

The type of weathering in which rock is physically broken into smaller pieces.

The processes that breaks down rock through chemical changes.

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

Process that splits rock when water seeps into cracks, then freezes and expands.

A chemical change in which a substance combines oxygen, as when iron oxidizes, forming rust.

Characteristic of a material that contains connected air spaces, or pores, that water can seep through easily.

The loose, weathered material on Earth's surface in which plants can grow.

Rock that makes up Earths's crust: also the solid rock layer beneath the soil.

Dark colored organic material in soil.

A measure of how well soil supports a plant growth.

Rich fertile soil that is made up of about equal parts clay sand slit.

A range of values to indicate how acidic or base a substance is; expresses the concentration of hydrogen ions in a solution.

The management of soil to limit its destruction.

The crumbly, topmost later of soil made up of clay and other minerals and humans.(nutrients and decaying planet and animal matter.

The layer of soil below topsoil that has less plant and animal matter than topsoil contains mostly clay and other materials.

An organism that gets energy y breaking down wastes and dead organisms and returns raw materials to the soil and water.

Anything naturally occurring in the environment that humans use.

The management of soil to limit its destruction.

The planting of different crops in a field each year to maintain the soil's fertility.

Plowing fields along curves of a slope to prevent soil loss.

soil conservation method in which weeds and dead stalks from the previous year's crop are plowed into the ground.

Help

Options

focusNode

Didn't know it?
click below

Knew it?
click below

Don't Know

Remaining cards (0)

Know

retry

shuffle

restart

0:00

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

chapter 2

Term	Definition
uniformitarianism	The geologic principle that the same geologic processes that operate today operated in the past to change Earth's surface.
erosion	The processes by which water, ice, wind, or gravity moves weathered particles of rock and soil.
weathering	The chemical and physical processes that break down rock and other substances.
mechanical weathering	The type of weathering in which rock is physically broken into smaller pieces.
chemical weathering	The processes that breaks down rock through chemical changes.
abrasion	The grinding away of rock by other rock particles carried in water, ice or wind.
frost wedging	Process that splits rock when water seeps into cracks, then freezes and expands.
oxidation	A chemical change in which a substance combines oxygen, as when iron oxidizes, forming rust.
permeable	Characteristic of a material that contains connected air spaces, or pores, that water can seep through easily.
soil	The loose, weathered material on Earth's surface in which plants can grow.
bedrock	Rock that makes up Earths's crust: also the solid rock layer beneath the soil.
humus	Dark colored organic material in soil.
fertility	A measure of how well soil supports a plant growth.
loam	Rich fertile soil that is made up of about equal parts clay sand slit.
pH scale	A range of values to indicate how acidic or base a substance is; expresses the concentration of hydrogen ions in a solution.
soil horizon	The management of soil to limit its destruction.
topsoil	The crumbly, topmost later of soil made up of clay and other minerals and humans.(nutrients and decaying planet and animal matter.
subsoil	The layer of soil below topsoil that has less plant and animal matter than topsoil contains mostly clay and other materials.
decomposer	An organism that gets energy y breaking down wastes and dead organisms and returns raw materials to the soil and water.
natural resource	Anything naturally occurring in the environment that humans use.
soil conservation	The management of soil to limit its destruction.
crop rotation	The planting of different crops in a field each year to maintain the soil's fertility.
contour plowing	Plowing fields along curves of a slope to prevent soil loss.
conservation plowing	soil conservation method in which weeds and dead stalks from the previous year's crop are plowed into the ground.

Created by: user-2056156

"Know" box contains:
Time elapsed:
Retries: