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folds, faults terms

Chapter 7 TechTerms Junior High Science

TermDefinition
anticline upward fold
syncline downward fold
elevation distance above or below sea level
landform physical feature of the earth's surface
crater funnel-shaped pit at the top of a volcanic cone
lava magma on the earth's surface
vent opening from which lava flows
vocalnism movement of magma on or inside the earth
volcano vent and the pile of volcanic material around the vent
cinder cone volcanic cone made up of rock particles, dust, and ash
composite cone volcanic cone made up of alternating layers of lava and rock particles
shield cone volcanic cone made up of layers of hardened lava
earthquake sudden, strong movement of the earth's crust
epicenter place on the surface of the earth directly above the focus
focus place inside the earth where an earthquake starts
seismic earthquake waves
seismograph instrument that detects and measures earthquakes
L-waves surface waves
P-waves fastest earthquake waves
S-waves second earthquake waves to be recorded at a seismograph station
Richter Scale scale that measure the energy released by an earthquake
tsunami ocean wave caused by an earthquake
Ring of Fire major earthquake and volcano zone that almost forms a circle around the Pacific Ocean
Created by: aj jones