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TheRestlessEarth
Terms from Chapter 16
Question | Answer |
---|---|
used to measure the movement of tectonic plates | global positioning system |
hardens to form new rock at mid-ocean ridges | magma |
stress that squeezes a rock layer | compression |
stress that stretches a rock layer | tension |
stress that causes rock layers to slide past one another | shear |
big pieces of Earth's lithosphere | tectonic plates |
the raising of a rock layer | uplift |
the sinking of a rock layer | subsidence |
the large super-continent | Pangaea |
when Earth's magnetic poles change | magnetic reversal |
underwater mountain chains running through the oceans | mid-ocean ridges |
boundary where two plates collide | convergent boundary |
boundary where two plates move away from each other | divergent boundary |
fault that forms as a result of tension | normal fault |
fault that forms as a result of compression | reverse fault |
fault that forms as a result of shear | strike-slip fault |
the area where two tectonic plates meet | boundary |
bending of rock | folding |
deep cracks that form between two plates that pull away from each other | rift zone |
scientist who proposed the idea of a super-continent and continental drift | Alfred Wegener |
the process by which the shape of a rock changes because of stress | deformation |
the crust and upper mantle of the Earth | lithosphere |
when one plate moves under another | subduction |
folded mountains form with this type of stress | compression |
the three types of folds | anticline, syncline, monocline |
type of boundary where volcanic mountains form | convergent |
the plastic-like layer on which the plates move | asthenosphere |
direction that the hanging wall moves in a normal fault | down |
direction that the hanging wall moves in a reverse fault | up |
breaking of rock layer | faulting |