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Plate Tectonics

Across
The way in which parts are arranged or put together to form a whole
The geophysical science of earthquakes and the mechanical properties of the earth
Opening in the earth's crust from which lava flows during an eruption
The first person to study an earthquake
A scientific investigator who, by the aid of seismometric observations, to arrive at the origin of earthquakes
A person that studies volcanoes
The scientific study of volcanoes
Movement or vibration of part of the earth's crust
The molten rock material under the earth's crust, from which igneous rock is formed by cooling
a branch of earth science dealing with the physical processes and phenomena occurring especially in the earth and in its vicinity
To come together from different directions
Down
The scientific study of the origin, history, and structure of the earth
Location of the largest volcano in the United States
The natural attraction between physical bodies
Any of several forms of vibrational waves that travel through the Earth as the result of an earthquake or underground explosion
A scale, ranging from 1 to 10, for indicating the intensity of an earthquake
To depart from an established pattern
The study of the earth's structural features
Molten rock that reaches the earth's surface through a volcano or fissure
A sudden, often violent outburst