4.1 Inside Earth

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

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

the central part of Earth below the mantle

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

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

the strong lower part between the asthenosphere and the outer core

block of lithosphere that consists of the crust and the rigid outer most part of the mantle

substance composed of two or more elements

vibrations when an earthquake happens they are produced

measure the times at which seismic waves arrive at different distances from an earthquake