Changes in the Earth’s Crust
Test: Tuesday, December 22nd
earthquake inner core
Pangaea outer core
Alfred Wegener mantle
lava magma
magma chamber subduction
continental drift Richter Scale
fault volcano
mid-ocean ridge focus
epicenter crater
convection seismic waves
asthenosphere Ring of Fire
lithosphere Mercalli Scale
hydrosphere seismograph
plate tectonics crust
vent ash cloud
divergent boundary convergent boundary
transform boundary sea-floor spreading
lateral slipping plates