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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  • 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