Chapter 17 vocabulary Crossword

Gradual movement of earth’s crust
Supercontinent
A line on a map that connects points
When the magnetic field gets reversed
An instrument used to measure magnetic forces
The branch of geophysics concerned with the magnetism in rocks
The formation of new areas of oceanic crust
Plates that collide into each other
Plates that separate from each other
Plates that slide past each other
When one plate goes underneath another
Formed when plates collide
The theory that the lithosphere is divided into small pieces
Occurs at mid-ocean ridges
Motion of tectonic plates that are caused by it’s subduction