My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Edit a Copy:
Make Your Own:
Crucigrama Sopa de Letras Hoja de Trabajo
Calificar este Puzzle:
Log in or sign up to rate this puzzle.

Chapter 17: Plate Tectonics

Name: 

15 points
Horizontales
The weight of a subducting plate pulls the trailing slab into the subduction zone.
A long, narrow depression formed from the stretching of the separating continental crust.
Huge pieces of crust and rigid upper mantle that fit together at their edges to cover Earth's surface.
Process when two plates collide, the denser plate descends below the other, less dense plate.
A device that can detect small changes in magnetic fields.
The study of the history of Earth's magnetic field.
Two tectonic plates moving toward each other.
Ancient landmass made up of all the continents that began to break apart about 200 mya.
Region where two tectonic plates are moving apart.
As the older portion of the seafloor slinks, the weight of the uplifted ridge is thought to push the oceanic plate toward the trench formed at the subduction zone.
Wegener's hypothesis that Earth's continents were joined as a single landmass, called Pangaea, that broke apart about 200 mya.
Verticales
An imaginary line on a map that shows points that have the same age.
When the flow in the outer core changes and Earth's magnetic field changes direction.
A region where two plates slide horizontally past each other.
The theory that explains how new ocean crust is formed at ocean ridges and destroyed at deep-sea trenches.