Plate Tectonics Crossword

a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
the type of boundary that occurs when plates move into each other
contains most of the Earth's volume; made of hot, dense rock that "flows"
what causes the plates to move
the thin coat of soil and water that make up the top layer of the Earth
the Earth is made of _____________
a tool used to record the energy waves of earthquakes
the theory proposed by the scientist Alfred Wegener that states the continents have gradually moved over time
the lines where the plates meet
the type of boundary that occurs when plates are sliding against each other
According to the theory of ________ ____________, Earth's crust is composed of a number of individual plates that change shape and position over time
____________________ plates are many times thicker than oceanic plates, but the rock is less dense
Subduction takes place at convergent boundaries when one plate moves _______ another.
caused by the circulation of the liquid metal of the outer core moving around the inner core; makes a compass to work
made of liquid mostly iron and nickel
The Mariana _________ is the deepest part of the ocean. It is formed by a convergent boundary between the Pacific Plate and the Mariana Plate.
the name given to the large supercontinent that was formed over 200 million years ago
the type of boundary that occurs when plates move away from each other
a combination of the crust and the outer mantle
When the plates move and the boundaries bump up against each other it can cause an _______________.
The inner core is made of _________metal
where the plates touch each other