Earthquakes Crossword Puzzle
An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Download and print this Earthquakes crossword puzzle.
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QUESTIONS LIST:
- seismograph : device that records ground movements caused by seismic waves
- richter scale : scale that rates an earthquake's magnitude based on size of seismic waves
- shearing : pull on the earth's crust, stretching rock
- magnitude : measurement of an earthquake's strength
- s waves : type of seismic wave that moves the ground up and down or side to side
- surface waves : when p waves and s waves reach the earth's surface
- focus : point beneath earth's surface where rock breaks under stress and causes an earthquake
- epicenter : point directly above the earthquake's focus
- earthquake : shaking and trembling of rock underneath the ground
- compression : stress that squeezes rock until it folds or breaks
- p waves : type of seismic wave that compresses and expands the ground
- seismic wave : vibration that travels through earth carrying energy released during an earthquake
