Plate Tectonics Crossword
This printable crossword puzzle on the topic of Plate Tectonics & Volcanoes has 20 clues. Answers range from 7 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
all the continents were part of a supercontinent
continents are in constant motion on the surface of Earth
mountain ranges in the middle of the oceans
new oceanic crust forms along a mid-ocean ridge and older crust moves away from the ridge
a state in which magnetized objects will orient themselves to point north
magnetic field reverses direction
the opposite of normal polarity
rigid slabs of rock, or plates, that move with repect to each other
cold and rigid outermost rock layer
when two plates seperate
two plates slide past each other
two plates collide
denser plate sinks below the more buoyant plate
the circulation of material caused by differences in temperatures
when plates move away from the ridge with force
a sinking slab that pulls on the rest of the plate with force
shaking of the surface of the Earth
a rupture in the crust of Earth
formed through tectonic forces or volcanism
deepest parts of the ocean floor
