Plate Tectonics Crossword

point or line where one region ends and another begins
large landmass
outer layer of Earth
idea that continents slowly moved over Earth's surface
supercontinent or single landmass
any trace of an ancient organism that has been preserved in rock
long chains of mountains that rise up from the ocean floor
device that uses waves to measure the distance to an object
process of adding more crust to the ocean floor
process by which the ocean floor sinks beath a deep-ocean trench, back into the mantle
deep underwater canyons in the ocean's floor
uneven pieces of the Earth's lithosphere or solid outer shell
a boundary where Earth's plates move apart from each other
a boundary where Earth's plates move closer to each other
a boundary where Earth's crust slip past each other
explains the formation, movement. and subduction of Earth's plates
where pieces of Earth's crust diverge on land
breaks in Earth's crust where rocks have slipped past each other
these occur when plates slip suddenly along the boundary they form
a convergent boundary where plates collide and as a result, magma comes to the surface