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Changing Earth's Surface

Science

Watch Lesson: Changing Earth's Surface

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the central part of the Earth, below the mantle

The Central Part Of The Earth, Below The Mantle.

Core

Core Simple Definition

the thin rocky outer layer of Earth, above the mantle

The Thin Rocky Outer Layer Of Earth, Above The Mantle.

Crust

Crust Simple Definition

the process of dropping sediment by water or wind

The Process Of Dropping Sediment By Water Or Wind.

Deposition

Deposition Simple Definition

a sudden shaking of rock in the Earth's crust

A Sudden Shaking Of Rock In The Earth's Crust.

Earthquake

Earthquake Simple Definition

the point directly above the focus of an earthquake, on Earth’s surface

The Point Directly Above The Focus Of An Earthquake, On Earth’s Surface.

Epicenter

Epicenter 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

a break in Earth's crust along which rocks move

A Break In Earth's Crust Along Which Rocks Move.

Fault

Fault Simple Definition

a large mass of slow moving ice and snow

A Large Mass Of Slow Moving Ice And Snow.

Glacier

Glacier Simple Definition

decayed plant and animal matter in soil

Decayed Plant And Animal Matter In Soil.

Humus

Humus Simple Definition

a natural land feature, like valleys, hills or plains

A Natural Land Feature, Like Valleys, Hills Or Plains.

Landform

Landform 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

molten rock that reaches the Earth's surface

Molten Rock That Reaches The Earth's Surface.

Lava

Lava Simple Definition

molten rock beneath the Earth's surface

Molten Rock Beneath The Earth's Surface.

Magma

Magma Simple Definition

the layer of rock between Earth's crust and core

The Layer Of Rock Between Earth's Crust And Core.

Mantle

Mantle 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 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 upper layer of soil where plants grow

The Upper Layer Of Soil Where Plants Grow.

Topsoil

Topsoil Simple Definition

a mountain through which lava flows to Earth’s surface

A Mountain Through Which Lava Flows To Earth’s Surface.

Volcano

Volcano Simple Definition

the processes which break down rocks

The Processes Which Break Down Rocks.

Weathering

Weathering Simple Definition

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