Plate Tectonics Crossword

The instrument that measures earthquakes waves
A convergent plate boundary where oceanic crust moves under continental crust and is destroyed
A steep-sided depression in the ocean floor
A type of boundary where tectonic plates collide with each other
Scientist credited for the theory of plate tectonics
An area above a hot, up welling mantle resulting in a plume which rises through the earths lithosphere and produces active volcanoes
One piece of evidence that supports the Earth is divided into 7 major plates.
Giant destructive waves created by earthquakes in the ocean
As new crust in the ocean is made, the seafloor spreads out
The layer of Earth that is the only liquid layer is the______
A arc-sharped chain of volcanoes formed above a subduction zone
A line on a map joining points of equal height above or below sea level
The arrangement of the natural and artificial physical features of an area
The point on the surface directly above the focus of an earthquake
Areas where either oceanic or continental crust is being formed at divergent boundaries
Molten rock, gases,and solid crystals and minerals
The gradual movement of the continents across the earths surface through geological time
The seismic wave that travels most rapidly
How many types of boundaries are there?
The San Andreas fault line is a