This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 20 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a long, narrow ditch.
a large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.
an elevated region with a central valley on an ocean floor at the boundary between two diverging tectonic plates.
A large amount of mountains in the same place.
a linear feature that exists between two tectonic plates that are moving away from each other.
a type of fault whose relative motion is predominantly horizontal in either sinistral or dextral direction.
a current in a fluid that results from convection.
the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
a major geological fault in California
a very long narrow elevation on the ocean floor that runs all the way from Iceland in the North Atlantic to Bouvet Island in the South Atlantic.
a place where sections of the crust of the Earth move relative to each other.
the two sub-layers of the earth's crust (lithosphere) that move, float, and sometimes fracture and whose interaction causes continental drift, earthquakes, volcanoes, mountains, and oceanic trenches.
A rocky mountain or hill filled with magma and/or lava.
When the Earth's Ground shakes.
the relatively thick part of the earth's crust that forms the large landmasses.
he relatively thin part of the earth's crust that underlies the ocean basins.
an area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.
an actively deforming region where two tectonic plates or fragments of the lithosphere move toward one another and collide.
The region of the interior of the Earth between the core and the crust
Its underlain by the mantle.