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pre ap Plate Tectonics Flashcards

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8935711988divergentAt a __________ plate boundary new crust is created as two or more plates pull away from each other.0
8935711989Oceans__________ can be created or grow wider where plates diverge or pull apart.1
8935711990Mid-Ocean RidgeThe __________-__________ __________ is an example of a divergent boundary.2
8935711991riftWhen a divergent boundary occurs on land a __________, or separation, will arise and over time, that mass of land will break between them.3
8935711992Great Rift ValleyThe __________ __________ __________ is an example of a rift where land between two continents are being pulled apart.4
8935711993mountainConvergent boundaries can form underwater __________ ranges.5
8935711994earthquakesDivergent boundaries can cause shallow __________.6
8935711995seafloorDivergent boundaries can create new __________.7
8935711996widerDivergent boundaries cause oceans to grow __________.8
8935711997oceanicOn our planet oceanic plates collide with other __________ plates.9
8935711998subductWhen oceanic plates collide, one of those plates will __________ (go beneath the other).10
8935711999denserWhen plates collide the plate that is __________ will subduct (go beneath the other).11
8935712000trenchWhen oceanic plates collide with continental plates a __________ will form between the two plates.12
8935712001mountainsWhen two continental plates collide large __________ will usually form.13
8935712002HimalayanThe __________ mountain range was formed from the collision of the Indian plate colliding into the Eurasian plate.14
8935712003oceanic, continentalA collision between an oceanic plate and a continental plate pushes the __________ plate into and under the __________ plate.15
8935712004subductionWhen a collision between an oceanic plate and a continental plate pushes the oceanic plate into and under the continental plate __________ takes place.16
8935712005transformA __________ boundary occurs when two tectonic plates slide past each other.17
8935712006convergentA __________ boundary occurs when two tectonic plates collide into each other.18
8935712007created, destroyedAt a transform boundary (fault) land is neither __________ or __________, only moved.19
8935712008transformThe San Andreas Fault in California is a __________ plate boundary.20
8935712009earthquakesTransform boundaries (faults) cause __________.21
8935712010convergent plate boundariesAreas where plates move toward each other and collide, causing uplift.22
8935712011divergent plate boundariesAreas where plates move away from each other, forming either mid oceanic ridges or rift valleys.23
8935712012transform plate boundariesAreas where two plates grind past each other resulting in faults such as the San Andreas Fault. Earthquakes often occur at fault lines.24
8935712013subduction zoneA __________ __________ is a convergent boundary where an oceanic plate is pushed beneath a continental plate forming a trench. The oceanic crust melts resulting in the formation of volcanoes.25
8935712014volcanoWhen oceanic crust melts it can result in the formation of a __________.26
8935712015trenchA deep depression of the sea floor caused by the subduction of one plate under another.27
8935712016rift valleyA large valley shaped area of the Earth in which plates of the Earth's crust are moving away from each other, forming a system of cracks and faults.28
8935712017oceanic ridgesUnderwater mountain ranges where the crust is spreading apart creating new ocean floor.29
8935712018Ring of fireAn area where volcanoes are concentrated on the edges of continents, along island chains or beneath the sea forming long mountain ranges. More than half of the world's active volcanoes above sea level encircle the Pacific Ocean.30
8935712019convection currentsMovements within Earth's mantle that causes tectonic plates to collide, separate, or slide past each other are called __________ __________.31
8935712020convection currentsLarge __________ __________ in the asthenosphere transfer heat to the surface, where plumes of less dense magma break apart the plates at the spreading centers, creating divergent plate boundaries.32
8935712021asthensophereLarge convection currents in the ____________________ transfer heat to the surface, where plumes of less dense magma break apart the plates at the spreading centers, creating divergent plate boundaries.33
8935712022tectonic platesWhat does this picture show?34
8935712023transformLook at the picture "Plate Tectonic Features". What is number two?35
8935712024divergentLook at the picture "Plate Tectonic Features". What is number three?36
8935712025convergentLook at the picture "Plate Tectonic Features". What is number four?37
8935712026oceanic crustLook at the picture "Plate Tectonic Features". What is number five?38
8935712027lithosphereLook at the picture "Plate Tectonic Features". What is number six?39
8935712028magmaLook at the picture "Plate Tectonic Features". What is number seven?40
8935712029asthenosphereLook at the picture "Plate Tectonic Features". What is number eight?41
8935712030subduction zoneLook at the picture "Plate Tectonic Features". What is number nine?42
8935712031oceanicLook at the picture "Plate Tectonic Features". What is number ten?43
8935712032mid-ocean ridgeWhich of these landforms would MOST likely be found at a divergent boundary? fault line mid-ocean ridge volcanic island mountain44
8935712033Alfred WegenerWhich scientist is credited for first proposing Plate Tectonics Theory? Albert Einstein Alfred Wegener Abraham Ortelius Harry Hess45
8935712034South America and AfricaWhich two continents did Alfred Wegener think looked like they fit together like puzzle pieces? North America and South America Europe and Africa North America and Europe South America and Africa46
8935712035mountainWhich of these landforms is MOST likely to be found at a convergent boundary? fault line mid-oceanic ridge mountain rift valley47
8935712036convergent plate boundaryThe Ring of Fire has formed a volcanic island chain in the Pacific Ocean. What has caused this to happen? convergent plate boundary divergent plate boundary transform plate boundary mantle hot spot48
8935712037asthenosphereScientists believe that convection currents in the __________ is responsible for the movement of the plates that form the Earth's crust. asthenosphere lithosphere inner core outer core49
8935712038where two plates are moving away from each other in opposite directionsThe MOST recently formed crust of the Earth would be found... where plates moving sideways passed each other where one plate is going under another plate where two plates are pushing directly toward each other where two plates are moving away from each other in opposite directions50
8935712039The Atlantic Ocean did not exist in earlier times.Alfred Wegener noted that fossils from a particular type of reptile were found on both sides of the Atlantic Ocean. Which of the following would be the BEST explanation of how this occurred? They swam across the ocean. The Atlantic Ocean did not exist in earlier times. They walked across a giant land bridge that has weathered away. They walked across an ice bridge located near the equator.51
8935712040IWhere would the ocean floor be the oldest? I, II, III, or IV52
8935712041IVWhere would the youngest ocean floor be found? I, II, III, or IV53
8935712042AWhich area on the terrain would show an area with a convergent plate boundary? A, B, C, or D54
8935712043DWhich area on the terrain above would show an area with a divergent plate boundary? A, B, C, or D55
8935712044oceanicWhich type of crust is denser, oceanic or continental?56
8935712045inner core, outer core, mesosphere, asthenosphere, lithosphereList the layers of the Earth in order from inside to outside.57
8935712046asthenosphereThe upper mantle?58
8935712047mesosphereThe lower mantle?59
8935712048lithosphereThe crust and upper most part of the mantle?60
8935712049coreGenerates Earth's heat?61
8935712050heat generated by the Earth's coreCauses convection currents in the mantle?62
8935712051magmaMolten rock inside the Earth?63
8935712052lavaMagma is called __________ once it spills out onto the Earth's surface.64
8935712053convectionWhat do you call the process of hot rock rising, cooling, and then sinking?65

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