plate tectonics Crossword

wegners idea that continents slowly moved over earths surface
the supercontinent
any trace of an ancient organism that has been preserved in rock
earths longest mountain ranges
process in which mid-ocean ridges continually add material to the ocean floor
underwater canyons
process by which ocean rock sinks beneath a deep-ocean trench and back into the deep mantle
section of the lithosphere that slowly moves over the layer beneath it, carrying pieces of continental and oceanic crust
plates move apart or diverge
plates converge or come together
plates slide past eachother
earths plates and plate movement
the mantles middle region
transfer os heat by the movement of liquid
upward movement of hot fluid and downward movement of cold liquid
force that acts on a rock to change its shape or volume
stress that pulls on the crust and thins rock in the middle
stress force that squeezes rock until it folds or breaks
stress that pushes a mass of rock in two opposite directions
break in the rock of the crust
fault cuts throiugh the rock at an angle so one block sits over the fault while the other block lies under the fault
same form as the normal fault but reverse
the rocks on either side of the fault slip past eachother
large area of flat land elevated high abocve sea level
hole left when a volcano collapses
cone shaped hill or small mountain
tall cone shaped mountains in which layers pf lava alternate with layerd of ash
wide gently sloping mountian
when magma hardens in a volcanos pipe and surrounding rock wears away
magma that forces itself across rock layers hardens into a...
magma that squeezes between horizontal rock layers harden to form a...
a mass of rock formed when a large body or magma cools inside the crust