Inside the Earth Flashcards

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1
Q

Crust

A

The thin and solid outermost layer of the Earth above the mantle

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2
Q

Mantle

A

The layer of rock between the Earth’s crust and core

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3
Q

Core

A

The central part of the Earth below the mantle

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4
Q

Lithosphere

A

The solid, outermost layer of the Earth that consists of the crust and the rigid upper part of the mantle

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5
Q

Asthenosphere

A

The soft layer of the mantle on which the tectonic plates move

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6
Q

Mesosphere

A

The strong, lower part of the mantle between the asthenosphere and the outer core

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7
Q

Tectonic plates

A

A block of lithosphere that consists of the crust and the rigid, outermost part of the mantle

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8
Q

Compound

A

A substance made up of atoms of two or more different elements joined by chemical bonds

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9
Q

Seismic Waves

A

A wave of energy that travels through the Earth and away from an earthquake in all directions

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10
Q

Seismographs

A

An instrument that records vibrations in the ground and determines the location and strength of an earthquake

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