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Science Vocabulary :

Terms and Definitions

QuestionAnswer
point on Earth's surface directly above an earthquake's force EPICENTER
Fracture that occurs when rocks break and that results in relative movement of opposing sides; can form as a result of compression(reverse fault), being pulled apart(normal fault), or shear(strike- slip fault) FAULT
Point deep inside Earth where energy is released, causing an earthquake FOCUS
Molten rocks flowing onto Earth's surface LAVA
Rigid layer of Earth about 100km thick made of the crust and a part of the upper mantle LITHOSPHERE
A measure of the energy released by an earthquake MAGNITUDE
Long crack, fissure, or trough that forms between techonis plates moving apart at plate boundaries. RIFT
Describe the ability of strucuture to stand up against the vibration caused by an earthquake. SEISMIC SAFE
Earthquake waves, including primary waves, secondary waves, and surface waves SEISMIC WAVES
SURFACE WAVES
An instrument used to record seismic waves. SEISMOGRAPH
Powerful seismic sea wave that begins over an ocean- floor TSUNAMI
It is formed when hot magma, solids, and gas erupt onto Earth's surface through a vent. VOLCANOES
PYROCLASTIC FLOW
RICHTER SCALE
Created by: LisaD
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