Changing Earth's Surface

Science

the central part of the Earth, below the mantle

Core explained in an easy to understand way.

the thin rocky outer layer of Earth, above the mantle

Crust explained in an easy to understand way.

the process of dropping sediment by water or wind

Deposition explained in an easy to understand way.

a sudden shaking of rock in the Earth's crust

Earthquake explained in an easy to understand way.

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

Epicenter explained in an easy to understand way.

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

Erosion explained in an easy to understand way.

a break in Earth's crust along which rocks move

Fault explained in an easy to understand way.

a large mass of slow moving ice and snow

Glacier explained in an easy to understand way.

decayed plant and animal matter in soil

Humus explained in an easy to understand way.

a natural land feature, like valleys, hills or plains

Landform explained in an easy to understand way.

the sudden movement of loose rock and soil down a slope

Landslide explained in an easy to understand way.

molten rock that reaches the Earth's surface

Lava explained in an easy to understand way.

molten rock beneath the Earth's surface

Magma explained in an easy to understand way.

the layer of rock between Earth's crust and core

Mantle explained in an easy to understand way.

a ridge of rock debris deposited by a glacier

Moraine explained in an easy to understand way.

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

Soil horizon explained in an easy to understand way.

Soil profile explained in an easy to understand way.

the upper layer of soil where plants grow

Topsoil explained in an easy to understand way.

a mountain through which lava flows to Earth’s surface

Volcano explained in an easy to understand way.

the processes which break down rocks

Weathering explained in an easy to understand way.

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