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Hanson Dynamic Ea 2

Dynamic Earth Chapter 2 Vocabulary Words

TermDefinition
caldera extremely large crater
cinder third largest volcanic particle; the size of a golf ball
cinder cone volcano made up of cinder piling up
composite volcano volcano made from cinders, then lava flows, then cinders, then...
crater pit at the top of a volcano
earthquake shaking of the earth's crust
epicenter place on top of crust above the focus of an earthquake
focus place in the earth where earthquake occurs
lava molten rock on surface of earth
lwave (surface) slowest seismic wave; moves in an up and down motion; does most damage to humans
magma molten rock in the earth
pwave (primary) fastest seismic wave; moves in a push-pull motion; goes through solids and liquids
Richter scale measures the strength of an earthquake
Ring of Fire area of volcano activity around the Pacific Ocean
seismic wave energy from an earth quake
seismogram reading from a seismograph
seismograph machine that records earthquakes
seismologist person that studies earthquakes
shield volcano volcano made from layers of flowing lava that hardens
s wave (secondary) second fastest wave; moves in a side-to-side motion; goes through solids only
tsunami giant wave in the ocean created by an earthquake
vent spot in a volcano where lava comes out
volcanic ash second smallest particle from a volcano
volcanic bomb largest particle from a volcano
volcanic dust smallest volcanic particle
volcano spot in the earth where lava comes out
Created by: marydykstra
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