1.4 Composition of Earth Study Guide

Match the following

• S Waves

• the fastest seismic waves, which travel through

  solids, liquids, and gases

• P waves

• the boundary between the mantle and the

  crust

• core

• the seismic waves that travel only through

  solids

• Magnetosphere

• the area around the earth that is affected by

  the earth’s magnetic field

• MOHO

• the central portion of the earth

Tags

NGSS.MS-PS4-2

Match the following

• mantle

• the portion of the earth’s interior that extends

  from the outer core to the bottom of the crus

• lithosphere

• the circular movement of heated materials to

  a cooler area and cooled materials to a warmer

  area

• asthenosphere

• the thin, hard outer layer of the earth

• crust

• the outermost, rigid layer of the earth

  composed of the stiff upper layer of the mantle

  and the crust

• convection current

• the layer of the upper mantle composed of

  low-density rock material that is semiplastic,

  like putty

The earth’s core is mostly comprised of

• iron

• oxygen

• calcicum

• seismic wave

What do scientists use to study the nature of Earth’s interior?

• batteries

• photographs

• seismic waves

• Archimedes' Principle

Tags

NGSS.MS-PS4-2

The asthenosphere

(only pick 2)

If all 3 checked than will not be given any credit

• is part of the mantle

• is semiplastic

• moves quickly

Tags

NGSS.MS-ESS2-1

The earth’s crust

• the thinnest layer

• ranges from 6-40km

• has a cool outer temperature

• all of these

The oceanic crust has the same composition in all its layers

• True

• False

The hottest part of the earth is the inner core.

• True

• False

The mantle includes an upper mantle, a lower mantle, and the transition zone.

• True

• False

The inner core of the earth is liquid and the outer core is solid.

• True

• False