07: Earth Vocabulary

Ms.Wilson’s 6th Grade Science

Crust MantleCore DensitySeismic Waves

The thinnest layer of earth located outside the upper mantle. It is the top interior layer of the earth.

Upper Mantle: the interior layer of the earth surrounding the inner mantle

Lower Mantle: the interior layer of the earth surrounding the outer core

CoreOuter Core: the liquid interior layer of the

earth surrounding the inner coreInner Core: the interior layer of earth

surrounded by all of the other interior layers of the earth

The ratio of the mass of a substance to the volume of the substance

Seismic WavesSeismic WavesA wave of energy that travels through the

Earth and away from an earthquake in all directions

P Waves

A seismic wave that particles of rock to move in a back and forth directions

A seismic wave that causes particles of rock to move in a side to side direction

ConvectionConvection

The movement of matter due to differences in density ; the transfer of energy due to the movement of matter

Convection cells is rotating circular plate filled with a purple liquid of varying shades. Heated from below, the liquid creates a complex pattern of concentric cells which disappear when the plate spins