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Earth Sci Ch 9 voc

QuestionAnswer
the vibrations in the ground that result from movement along breaks in earth’s lithosphere earthquakes
break in earth’s lithosphere where on block moves toward, away from, or past another fault
energy travels as vibrations on and in earth seismic waves
originate where rocks first move along the fault at a location inside earth focus
location on earth’s surface directly above the earthquake’s focus epicenter
p-waves cause particles in the ground to move in a push-pull motion similar to a coiled spring primary waves
s-waves are slower than p-waves, they cause particles to move up and down at right angles relative to the direction the wave travels secondary waves
cause particles in the ground to move up and down in a rolling motion surface waves
measures and records ground motion and can be used to determine the distance seismic waves travel seismometer
graphical illustration of seismic waves seismogram
scientists that study earthquakes seismologists
- vent in earth’s crust through which melted or molten rock flows volcano
molten rock below earth’s surface magma
molten rock that erupts onto earth’s surface lava
volcanoes that are not associated with plate boundaries hot spots
common along divergent plate boundaries and oceanic hot spots shield volcanoes
large, steep-sided volcanoes that result from explosive eruptions of andesitic and rhyolitic lava and ash along convergent plate boundaries composite volcanoes
small, steep-sided volcanoes that erupt gas-rich, basaltic lavas cinder cones
tiny particles of pulverized volcanic rock and glass volcanic ash
liquid’s resistance to flow viscosity
Created by: SHS Sharks
Popular Earth Science sets

 

 



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