Plate Tectonics Crossword

What describes large movements of the Earth's crust?
The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
a linear feature that exists between two tectonic plates that are moving away from each other
A solid sphere in the middle of the fluid core
The gradual movement of the continents across the earth's surface
A crack in the earth's crust
A long, narrow, but very deep depression in the ocean floor
A theory that explains scientific observations
A liquid layer about 2,260 kilometers thick
The layer of the Earth between the crust and the outer core
The process by which sound waves travel through a medium.
Seismic waves are waves of energy that travel through the core of the earth.
The solid, outermost layer of the Earth, lying above the mantle
A valley with steep sides; formed by a rift in the earth's crust
A continent formed 250 million years ago due to plate movement
A zone of the earth's mantle that lies beneath the lithosphere
One of the sections of the earth's lithosphere, constantly moving in relation to the other sections.
A boundary in which two plates slide past each other without creating or destroying lithosphere
The concept that new oceanic crust is created at the mid-ocean ridge as a result of divergence between plates.
The site where tectonic plates move apart and new oceanic crust is created