Review for Final Test 9th Grade - Earthquakes
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Vocabulary terms and definitions regarding earthquake science, measurement, and characteristics based on the 9th-grade review notes.
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12 Terms
Earthquake
The shaking of the Earth caused by the sudden movement of rocks in the Earth's crust.
Focus
The location of an earthquake inside the Earth.
Epicenter
The point on the surface above the focus of an earthquake.
Seismograph
The machine that measures earthquakes.
Charles Richter
The person who developed the procedure used to measure the size of an earthquake.
Tectonic Plates
The borders along which many earthquakes happen.
Tsunami
One of the possible results of an earthquake.
Seismologist
An Earthquake Scientist.
P-wave
The faster seismic wave and the first wave detected by seismographs.
S-wave
A seismic wave that can travel through solids only.
Magnitude
The amount of energy released by an earthquake.
Seismic waves
The release of energy from an earthquake.