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The Earth's surface and its features

aquifer

noun

a layer of earth or rock that contains water or that water can pass through

continental drift

noun

the very gradual movement of continents across the Earth’s surface as a result of the movement of the plates that they lie on

continental shelf

noun

the part of the edge of a continent that slopes gradually out into the sea and ends in a sudden steep slope in very deep water

crust

noun

the thick outer surface of the Earth or another planet

fault

noun

a crack on or below the Earth’s surface

faultline

noun

a crack on the Earth’s surface where layers of rock have become separated from the main layer of rock and where earthquakes sometimes happen

floor

noun

the ground at the bottom of a natural structure or area

geography

noun

the physical features of an area

geological

adjective

relating to geology, or to the features of the Earth’s surface

geology

noun

the way that particular rocks or areas of the Earth’s surface are formed

ground

noun

the top part of the Earth’s surface that people walk on

ground

adjective

happening on the surface of the earth, especially in comparison with things happening in the air

land

noun

the part of the Earth’s surface that is not the sea

landform

noun

a feature on the Earth’s surface such as a mountain or a valley

mantle

noun

the part of the Earth that is deep below the surface and surrounds the core (=centre)

plate

noun

one of the layers of rock that form the surface of the Earth

plate tectonics

noun

the study of the large layers of rock under the surface of the Earth, and how they were formed and move

rock

noun

the hard solid substance that forms part of the Earth’s surface

tectonic

adjective

relating to the structure and movement of the surface of the Earth

terrestrial

adjective

existing on the Earth, or happening on the Earth, instead of in the sky or sea. Things that are from other planets are extraterrestrial.

topography

noun

the features of a particular area of land, for example hills, rivers, and roads

water table

noun

the level below the Earth’s surface where water is found

terrestrially

adverb

on the ground

on the surface of the earth, rather than in the air

Open Dictionary

chicken raffle

any random process, such as a competition in which a name is drawn from a hat

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