Plate Tectonics Crossword

topmost layer of the earth
rigid outer layer of Earth which includes crust and upper mantle
A type of crust consists of basaltic rock and is more dense.
_______________ discontinuity; he boundary that is believed separating crust and underlying mantle.
a supercontinent
The theory that explains the formation, movement and changes in Earth's crust.
The crust consists of granite-type rocks and is less dense.
The layer where convection of molten rocks happens.
A theory which explains that a supercontinent existed millions of years ago that broke into several continents.
A German geologist and climatologist whose theory was ignored because of insufficient evidences on the mechanism for the movement of continents.
A geologic feature produced in a divergent boundary
Type of plate boundary where plates are moving away from each other.
Type of plate boundary where plates moving toward each other.
This happens every time tectonic plates move.
A process when a denser oceanic plate dives beneath the continental plate.
A _____, or valley in the ocean floor, is created when one lithospheric plate subducts under another.
Part of the earth that goes around the core and is made of viscous materials.
Continental land masses that move relative to one another.
New ocean floor is created at the locations of these undersea features called _____.
Heated lower mantle rock that rises toward the lithosphere because it is less dense than surrounding mantle rock.
Type of plate boundary where plates slide past each other.
Geologic feature is formed as a result of oceanic-continental convergence.
It is formed when two continental plates collide which results to the moving up of lithosphere.
Inner part of Earth consists mostly of iron and nickel.
A geologic feature is formed as a result of oceanic-oceanic convergence.