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Plate Tectonics

Across
There ridges are divergent boundaries where convection currents in the mantle lift the ocean floor and produce a rift that follows the crest of the ridge.
The shaking and vibration of the Earth's crust due to movement of tectonic plates is called this.
This layer of the Earth is composed of a great variety of igneous, metamorphic and sedimentary rocks and is underlain by the mantle.
The outermost part of the Earth's structure consisting of the crust and a small portion of the upper mantle.
These form where a plate with a leading edge of oceanic lithosphere collides with another tectonic plate.
This part of the Earth lies between the Earth's dense, super-heated core and its thin outer layer called the crust.
15 of these glide over the mantle, forming Earth's outer shell.
The lithosphere is divided into 15 of these plates.
This boundary is marked by two tectonic plates that are moving away from one another.
Down
The force that cause tectonic plates to move and interact with one another.
This type of crust is found under continents.
This cone-shaped landform is defined as an opening in the Earth's crust through which lava, ash, and gases erupt.
A boundary where two tectonic plates are sliding past one another.
The central or innermost portion of the Earth, lying below the mantle and probably consisting of iron and nickel. It is divided into a liquid outer layer and a solid inner layer.
A boundary where two tectonic plates are pushing towards each other. One example of this is the boundary between the Eurasian Plate and Indian Plate where the Himalayas are located.