Inside the Earth Flashcards
Crust
The thin and solid outermost layer of the Earth above the mantle
Mantle
The layer of rock between the Earth’s crust and core
Core
The central part of the Earth below the mantle
Lithosphere
The solid, outermost layer of the Earth that consists of the crust and the rigid upper part of the mantle
Asthenosphere
The soft layer of the mantle on which the tectonic plates move
Mesosphere
The strong, lower part of the mantle between the asthenosphere and the outer core
Tectonic plates
A block of lithosphere that consists of the crust and the rigid, outermost part of the mantle
Compound
A substance made up of atoms of two or more different elements joined by chemical bonds
Seismic Waves
A wave of energy that travels through the Earth and away from an earthquake in all directions
Seismographs
An instrument that records vibrations in the ground and determines the location and strength of an earthquake