The geological principal that same process that operate today operated in the past to change Earths surface.

The process of wearing down and carrying away rocks.

Is the process that breaks down rocks and other substances.

Mechanical Weathering

A type of weathering where rock is physically broken.

Is the process that breaks down rock through chemical changes.

Refers to the weathering away rock by rock particles carried by water, ice, wind or gravity.

When ice melts, water seeps deeper through the cracks. With repeated freezing and thawing, the cracks slowly expand until pieces of rock wear off.

Iron combines with oxygen in the presence of water causing rust.

A material that is full of tiny connected air spaces to seep through it.

Soil is the loose, weathered material on Earth's surface in which plants can grow.

Bedrock is the solid layer of rock beneath the soil.

Humus is a dark-colored substance that forms as plant and animal remain decay.

The fertility of soil is a measure of how well the soil supports plant growth.

Loam is the best soil for growing most plants.

Soil horizon is a layer of soil that differs in color, texture, and composition from the layers above it or below it.

Is a crumbly, dark brown soil that is a mixture of humus, clay, and other materials.

Subsoil, usually consists of clay and other particles of rock, but little humus.

Decomposers are the organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals .

A natural resource is anything in the environment that humans use.

Soil conservation is the management of soil to limit its destruction.

In a crop rotation, a farmer plants different crops in a field each year.

In contour plowing, farmers plow their fields along the curves of a slope instead of straight rows.

In conservation plowing, dead weeds and stalks of the previous year's crop are plowed into the ground to help return soil nutrients, retain moisture, and hold soil in place.

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

Rocks And Weathering

Term	Definition
Uniformitarianism	The geological principal that same process that operate today operated in the past to change Earths surface.
Erosion	The process of wearing down and carrying away rocks.
Weathering	Is the process that breaks down rocks and other substances.
Mechanical Weathering	A type of weathering where rock is physically broken.
Chemical Weathering	Is the process that breaks down rock through chemical changes.
Abrasion	Refers to the weathering away rock by rock particles carried by water, ice, wind or gravity.
Frost Wedging	When ice melts, water seeps deeper through the cracks. With repeated freezing and thawing, the cracks slowly expand until pieces of rock wear off.
Oxidation	Iron combines with oxygen in the presence of water causing rust.
Permeable	A material that is full of tiny connected air spaces to seep through it.
Soil	Soil is the loose, weathered material on Earth's surface in which plants can grow.
Bedrock	Bedrock is the solid layer of rock beneath the soil.
Humus	Humus is a dark-colored substance that forms as plant and animal remain decay.
Fertility	The fertility of soil is a measure of how well the soil supports plant growth.
Loam	Loam is the best soil for growing most plants.
pH scale	The pH scale measures acidity.
Soil Horizon	Soil horizon is a layer of soil that differs in color, texture, and composition from the layers above it or below it.
Topsoil	Is a crumbly, dark brown soil that is a mixture of humus, clay, and other materials.
Subsoil	Subsoil, usually consists of clay and other particles of rock, but little humus.
Decomposer	Decomposers are the organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals .
Natural Resource	A natural resource is anything in the environment that humans use.
Soil Conservation	Soil conservation is the management of soil to limit its destruction.
Crop Rotation	In a crop rotation, a farmer plants different crops in a field each year.
Contour Plowing	In contour plowing, farmers plow their fields along the curves of a slope instead of straight rows.
Conservation Plowing	In conservation plowing, dead weeds and stalks of the previous year's crop are plowed into the ground to help return soil nutrients, retain moisture, and hold soil in place.

Created by: cap201095357

Popular Earth Science sets

Mr. Holzshu's review of the layers of the Earth, plates, and boundaries.

Plants

Local and Global Winds

Earth Science Vocabulary

structure of earth

Water Vocab

plate boundaries

"Know" box contains:
Time elapsed:
Retries: