Changing Earth's Surface

Science

Changing Earth's Surface Chapter Video

Changing Earth's Surface Chapter Video

core

the central part of the Earth, below the mantle

core Simple Definition

crust

the thin rocky outer layer of Earth, above the mantle

crust Simple Definition

deposition

the process of dropping sediment by water or wind

deposition Simple Definition

earthquake

a sudden shaking of rock in the Earth's crust

earthquake Simple Definition

epicenter

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

epicenter Simple Definition

erosion

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

erosion Simple Definition

fault

a break in Earth's crust along which rocks move

fault Simple Definition

glacier

a large mass of slow moving ice and snow

glacier Simple Definition

humus

decayed plant and animal matter in soil

humus Simple Definition

landform

a natural land feature, like valleys, hills or plains

landform Simple Definition

landslide

the sudden movement of loose rock and soil down a slope

landslide Simple Definition

lava

molten rock that reaches the Earth's surface

lava Simple Definition

magma

molten rock beneath the Earth's surface

magma Simple Definition

mantle

the layer of rock between Earth's crust and core

mantle Simple Definition

moraine

a ridge of rock debris deposited by a glacier

moraine Simple Definition

soil horizon

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

soil horizon Simple Definition

soil profile

topsoil

the upper layer of soil where plants grow

topsoil Simple Definition

volcano

a mountain through which lava flows to Earth’s surface

volcano Simple Definition

weathering

the processes which break down rocks

weathering Simple Definition

Related Chapters