This printable crossword puzzle has 20 clues. Answers range from 5 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
plates move apart, or diverge
plates come together, or converge
plates slip past each other in opposite direction
earth's, and plate motions into a single theory
broken into uneven pieces
breaks in Earth's crust where rocks have slipped past each other fom along these boundaries
where pieces of Earth's crust diverge on land
is the shaking and trembling that results from movement of rock beneath Earth's surface
the area beneath earth's surface where rock that was under stress begins to break or move
the point on the surface directly above the focus
seismic waves that compress and expand the ground like an accordion
are seismic waves that can vibrate from side to side or up or down
move more slowly than p and s waves
an instrument that records and measures an earthquake's seismic waves
rates the amount of shaking from an earthquake
is a single number that geologists assign to an earthquake based on the earthquake size
scales based on the earlist magnitude scale
to rate the total energy an earthquake releases
is the record of an earthquake's seismic waves produced
the process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle