REVIEWER LAYERS OF EARTH

• Crust - the outer most layer of earth made up of solid rock
• Continental and oceanic crust - crust is divided into two
• Mantle - largest layer of the earth, its between crust and core
• Mohorivicic discontinuity - a boundery between crust and core through observation of seismic waves
• Uppermostmantle - lower part of lithosphere
• Athenosphere - called weak layer made up of mushy plastic
• Lower mantle - made up of solid rock
• Core - made up of liquid molten that contains iron and nickel
• Outer core - liquid between solid inner core and lower mantle
• Inner core - solid