The Dynamic Earth Puzzle Crossword

One of the 7 great masses of land
The name of the supercontinent that existed 200 million years ago, when all the modern continents were connected.
The theory that continents have moved slowly to their current locations and continue to move.
The process by which new oceanic crust forms along mid ocean ridges and older crust moves away from the ridge.
A long narrow mountain chain found on the floor of the ocean.
The distance from the surface of the ocean to ocean floor.
An event that causes the magnetic field to reverse its direction.
A tectonic boundary where two plates are moving away from each other and new crust is forming from magma that rises to the Earth's surface between the two plates.
The transfer of heat energy that results from magma becoming heated, less dense, and rising eventually cooling at the surface, becomes more dense and sinks..
The divisions of Earth's outer shell that glide over the mantle.
The rigid outer part of the earth, consisting of the crust and upper mantle.
The layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
The process where dense oceanic crust is forced under the less dense continental crust