Weathering

Science

Watch Lesson: Weathering

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the wearing away of rock by other rock or sand particles

The Wearing Away Of Rock By Other Rock Or Sand Particles.

Abrasion

Abrasion Simple Definition

when rain is acidic due to pollution

When Rain Is Acidic Due To Pollution.

Acid Rain

Acid Rain Simple Definition

a fan-shaped deposit formed as water flows down a slope

A Fan-shaped Deposit Formed As Water Flows Down A Slope.

Alluvial Fan

Alluvial Fan Simple Definition

an area of deposited sediment along a coast

An Area Of Deposited Sediment Along A Coast.

Beach

Beach Simple Definition

the solid layer of rock beneath the soil

The Solid Layer Of Rock Beneath The Soil.

Bedrock

Bedrock Simple Definition

the breakdown of rock through chemical processes, like acid rain

The Breakdown Of Rock Through Chemical Processes, Like Acid Rain.

Chemical Weathering

Chemical Weathering Simple Definition

a glacier that covers much of a continent

A Glacier That Covers Much Of A Continent.

Continental Glacier

Continental Glacier Simple Definition

the slow downhill movement of soil or rock

The Slow Downhill Movement Of Soil Or Rock.

Creep

Creep Simple Definition

wind erosion that removes fine soil particles

Wind Erosion That Removes Fine Soil Particles.

Deflation

Deflation Simple Definition

a large mass of sediment deposited at the mouth of a river

A Large Mass Of Sediment Deposited At The Mouth Of A River.

Delta

Delta Simple Definition

the process of dropping sediment by water or wind

The Process Of Dropping Sediment By Water Or Wind.

Deposition

Deposition Simple Definition

an area of land where water drains into a stream

An Area Of Land Where Water Drains Into A Stream.

Drainage Basin

Drainage Basin Simple Definition

the process in which rock is worn away and transported by water, wind or ice

The Process In Which Rock Is Worn Away And Transported By Water, Wind Or Ice.

Erosion

Erosion Simple Definition

the process by which layers of rock gradually break off

The Process By Which Layers Of Rock Gradually Break Off.

Exfoliation

Exfoliation Simple Definition

a wide valley through which a river flows and can overflow

A Wide Valley Through Which A River Flows And Can Overflow.

Flood Plain

Flood Plain Simple Definition

a large mass of slow moving ice and snow

A Large Mass Of Slow Moving Ice And Snow.

Glacier

Glacier Simple Definition

a large channel in soil created by water erosion

A Large Channel In Soil Created By Water Erosion.

Gully

Gully Simple Definition

decayed plant and animal matter in the soil

Decayed Plant And Animal Matter In The Soil.

Humus

Humus Simple Definition

when water seeps into a rock, then freezes and expands, cracking the rock

When Water Seeps Into A Rock, Then Freezes And Expands, Cracking The Rock.

Ice Wedge

Ice Wedge Simple Definition

a lake formed by melted ice, left behind by a glacier

A Lake Formed By Melted Ice, Left Behind By A Glacier.

Kettle

Kettle Simple Definition

the sudden movement of loose rock and soil down a slope

The Sudden Movement Of Loose Rock And Soil Down A Slope.

Landslide

Landslide Simple Definition

wind-blown deposits of fine sediment

Wind-blown Deposits Of Fine Sediment.

Loess

Loess Simple Definition

a water current parallel to the shoreline

A Water Current Parallel To The Shoreline.

Longshore Current

Longshore Current Simple Definition

the downhill movement of rocks or soil

The Downhill Movement Of Rocks Or Soil.

Mass Movement

Mass Movement Simple Definition

a broad curve in a river

A Broad Curve In A River.

Meander

Meander Simple Definition

the breaking of rocks without any chemical change, like by plant roots

The Breaking Of Rocks Without Any Chemical Change, Like By Plant Roots.

Mechanical Weathering

Mechanical Weathering Simple Definition

a ridge of rock debris deposited by a glacier

A Ridge Of Rock Debris Deposited By A Glacier.

Moraine

Moraine Simple Definition

a large flow of mud, rock or soil mixed with water

A Large Flow Of Mud, Rock Or Soil Mixed With Water.

Mudflow

Mudflow Simple Definition

a U-shaped lake that forms when a meander is cut off from a river

A U-shaped Lake That Forms When A Meander Is Cut Off From A River.

Oxbow Lake

Oxbow Lake Simple Definition

a chemical change in which a substance combines with oxygen, like when iron forms rust

A Chemical Change In Which A Substance Combines With Oxygen, Like When Iron Forms Rust.

Oxidation

Oxidation Simple Definition

describes rock or soil that allows water to seep through

Describes Rock Or Soil That Allows Water To Seep Through.

Permeable

Permeable Simple Definition

the process by which a glacier picks up rocks as it flows over land

The Process By Which A Glacier Picks Up Rocks As It Flows Over Land.

Plucking

Plucking Simple Definition

a tiny groove in the soil made by flowing water

A Tiny Groove In The Soil Made By Flowing Water.

Rill

Rill Simple Definition

water that flows on the ground instead of being soaked into it

Water That Flows On The Ground Instead Of Being Soaked Into It.

Runoff

Runoff Simple Definition

a mound of sand deposited by the wind

A Mound Of Sand Deposited By The Wind.

Sand Dune

Sand Dune Simple Definition

the boundary between the land and a body of water

The Boundary Between The Land And A Body Of Water.

Shoreline

Shoreline Simple Definition

the loose mixture of rock, minerals and organic matter that covers the Earth

The Loose Mixture Of Rock, Minerals And Organic Matter That Covers The Earth.

Soil

Soil Simple Definition

the management of soil to prevent erosion and nutrient loss

The Management Of Soil To Prevent Erosion And Nutrient Loss.

Soil Conservation

Soil Conservation Simple Definition

a soil layer different from the layers above and below it, in particle size or pH

A Soil Layer Different From The Layers Above And Below It, In Particle Size Or PH.

Soil Horizon

Soil Horizon Simple Definition

A Cross Section Of Soil That Shows The Different Layers (horizons).

Soil Profile

Soil Profile Simple Definition

the sediment left behind by a melting glacier

The Sediment Left Behind By A Melting Glacier.

Till

Till Simple Definition

a long, narrow glacier in a mountain valley

A Long, Narrow Glacier In A Mountain Valley.

Valley Glacier

Valley Glacier Simple Definition

the processes which break down rocks

The Processes Which Break Down Rocks.

Weathering

Weathering Simple Definition

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