apes// Flashcards

4858189828	hot spot	place where molten material from the mantle reaches the lithosphere	0
4858217306	plate tectonics	the theory that the lithosphere of earth is divided into plates, most of which are in constant motion	1
4858218622	tectonic cycle	the cycle of processes that build up and break down the lithosphere	2
4858218623	subduction	the process of one crustal plate passing under another	3
4858219614	volcano	a vent in the surface of earth that emits ash, gases or molten lava	4
4858220863	divergent plate boundaries	areas beneath the ocean where plates move away from each other	5
4858220864	seafloor spreading	the formation of new ocean crust as a result of magma pushing upward and outward from earth's mantle to the surface	6
4858222862	convergent plate boundaries	areas where plates move toward one another and collide	7
4858224321	transform fault boundary	an area where tectonic plates move sideways past each other	8
4858224322	fault	a fracture in rock caused by a movement of earth's crust	9
4858226799	fault zone	a large expanse of rock where a fault has occurred	10
4858226800	earthquakes	the sudden movement of earth's crust	11
4858228541	seismic activity	the frequency and intensity of earthquakes	12
4858228542	epicenter	the exact point on the surface of earth directly above the location where rock ruptures during an earthquake	13
4858231816	richter scale	a scale that measures the largest ground movement that occurs during an earthquake	14