This printable crossword puzzle has 17 clues. Answers range from 7 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
all the continents were once part of a super continent called _______.
suggested that continents are in constant motion on the surface of earth.
the mountain range in the middle of the ocean.
when new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge.
magnetized objects, orient themselves to point north.
the magnetic field reverses direction.
earths surface is made of rigid slabs of rock, or plats, that move with respect to each other.
the cold and rigid outermost rock.
who made the theory of continental drift?
forms when two plates seperate
forms when two plates slide past each other.
forms when two plates collide.
when the denser plate sinks below the more buoyant plate.
exists where two tectonic plates meet
the circulation of material caused by differences in temperature and density.
wear away or change the appearance or texture of an object by long exposure to the air.
the process by which soil and rock particles are worn away and moved by wind, water, or ice.