Plate Tectonics , Earth quakes and Volcanoes Crossword

Theory that Earths crust and part of the upper mantle are broken into sections called plate that move on a plasticlike lawyer of the mantle
wegener's hypothesis that continents have slowly moved to their present day locations
hot less dense material below Earth's crust rises toward the surface at the mid-ocean ridges flow sideways. carrying the sea floor away from the ridge
boundary that forms when two plates collide cause subduction trenches mountains, volcanoes
boundary that forms when two plates move apart cause mid-ocean ridges rift zones earthquakes
boundary that forms when two plates slide past each other causes earthquakes
surface along which rocks move when they pass their elastic limit and break
librations produce when rocks along a fault
Usually forms at Continental- Oceanic Convergent Plate Boundaries where oceanic crust sinks into the asthenosphere at subduction zones
a long narrow steep-sided depression in the earth's crust
Form at Continental-Continental Convergent Plate Boundaries when rock layers are squeezed together and pushed upward ex. Alps in central Europe, Ural Mountains in Russia, and the Himalayas in Asia
an area in the mantle from which heat rises in the form of a thermal plume from deep within the Earth
suppercontient that means "all land"
volcanic islands that form as a result of plate tectonic movement over a hotspot
a region of high volcanic and seismic activity that surrounds the majority of the Pacific Ocean basin - made up of converging plate boundaries
a region of high volcanic and seismic activity that surrounds the majority of the Pacific Ocean basin - made up of converging plate boundaries
the boundary between two tectonic plates that are moving away from each other
the boundary between tectonic plates that are sliding past each other in opposite directions - these plates grind and jerk as they slide which produces Earthquakes
the boundary formed by the collision of two tectonic plates (lithosphere)