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Science vocab 5
Terms in this set (11)
An earthquake is a movement of Earth's lithosphere that occurs when rocks in the lithosphere suddenly shift, releasing stored energy.
The energy released during an earthquake is carried by vibrations called seismic waves.
Stress is a force that squeezes rocks together, stretches or pulls them apart, or pushes them in different directions.
A fault is a break in a mass of rock along which movement occurs.
A fold is a bend in layers of rock.
The location beneath Earth's surface where an earthquake begins is called the focus.
The location on Earth's surface directly above the focus is called the epicenter.
P waves (originally called primary waves) are longitudinal waves similar to sound waves.
S waves (originally called secondary waves) are transverse waves, like light and other electromagnetic radiation.
Surface waves are waves that develop when seismic waves reach Earth's surface.
A device that can detect and record seismic waves is called a seismograph.
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