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Science

Chapter 9

QuestionAnswer
_________ are the vibrations in the ground that result from movement along breaks in Earth's lithosphere. Earthquakes
A _______ is a break in Earth's lithosphere Where one block moves toward, away from, or past another. Fault
They release energy that travels as vibrations on and in Earth called __________. Seismic Wave
These waves originate where rocks first move along the fault, at a location inside Earth called ___________. Focus
The __________ is the location on Earth's surface directly above the earthquake's focus. Epicenter
____________, also called P-waves, cause particles in the ground to move in a push pull motion similar to a coiled spring. Primary Wave
_________, also called S-waves, are slower that P- waves, they cause particles to move up and down at right angles relative to the direction the wave travels. Secondary Wave
_________ cause particles in the ground to move up and down in a rolling motion. Surface Wave
Scientist that study earthquakes are called ______________. Seismologist
An instrument called a ____________ measures and records ground motion and can be used to determine the distance seismic waves travel. Seismometer
Ground motion is recorded as a ___________, a graphical illustration of seismic waves. Seismogram
A ________ is a vent in Earth's crust through which melted-or molten- rock flows. Volcano
Molten rock below Earth's surface is called ________. Magma
Molten rock that erupts onto Earth's surface is called ________. Lava
Volcanoes that are not associated with plate boundaries are called ________ _____. Hot Spots
Created by: L.M.R1011
 

 



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