Plate Tectonics Powerpoint

Welcome to Jeopardy! Featuring your host… Mr. M

This show is sponsored by: ,[object Object],[object Object],[object Object],[object Object]

Miley Cyrus Wall-E Tom Brady Round 1 Round 2 Final Jeopardy Game Over

Get my drift? Spreading apart Who’s on top? Clean your plate! Bound- aries Everything else $200 $200 $200 $200 $200 $200 $400 $400 $400 $400 $400 $400 $600 $600 $600 $600 $600 $600 $800 $800 $800 $800 $800 $800 $1000 $1000 $1000 $1000 $1000 $1000 Round 1 Final Jeopardy Scores

$200 The German scientist who suggested the theory of continental drift

$200 Who is Alfred Wegener? Scores

$400 Name 2 of the 4 pieces of evidence suggesting the continents used to be joined

$400 What are…? 1-fossil 2-shape of the continents 3-rock/glacial/salt deposits 4-alignment of mountain ranges Scores

$600 The name for the super continent that existed 250 million years ago

$800 The main reason geologists did not believe him was because his theory was lacking this

$800 What is a satisfactory explanation of the force that pushes or pulls the continents? Scores

$1000 This was Wegener’s actual profession (was not a geologist!)

$1000 What is a meterologist? Scores

$200 These underwater formations form the largest mountain chain in the world

$200 What are midocean ridges? Scores

$400 At midocean ridges, lava erupts from the __________ and runs the length of a ridge

$400 What is the rift valley? Scores

$600 The age of the rocks on the ocean floor get progressively ____________ the further away from the mid-ocean ridge.

$800 The process of the oceanic plates moving away from the midocean ridges is known as this

$800 What is sea-floor spreading? Scores

$1000 Scientists are able to observe “stripes” in the ocean floor because these minerals freeze in different directions when the polarity of the planet changes.

$1000 What is magnetite or iron? Scores

$200 The process in which crust plunges back into the Earth is called this

$200 What is subduction? Scores

$400 Deep, V-shaped canyons that occur at areas of subduction

$400 What are trenches? Scores

$600 This is why oceanic crust is subducted under continental crust (also why older oceanic crust is subducted under newer crust)

$600 What is that it is more dense? Scores

$800 As crust is subducted, it melts into magma which may rise and eventually form these

$800 What are volcanoes? Scores

$1000 This is the deepest trench in the world

$1000 What is the Marianas trench? Scores

$200 There are these many major lithospheric plates

$400 This is the largest lithospheric plate

$400 What is the Pacific plate? Scores

$600 This method of heat transfer is the driving force behind the plate movement

$600 What are convection currents? Scores

$800 The Hawaiian Islands were formed by this

$800 What is a hot spot? Scores

$1000 This type of activity is found at all plate boundaries

$1000 What is earthquake (seismic) activity? Scores

$200 This is the type of boundary where midocean ridges form

$200 What are divergent boundaries? Scores

$400 The type of boundary formed by a lateral fault (plates grinding past each other in a horizontal direction)

$400 What is a transform boundary? Scores

$600 Los Angeles is found on this plate

$600 What is the Pacific plate? Scores

$800 This explains why a convection current works

$800 What is the deeper hotter mantle material rises (less dense) and then cools, becomes denser, and sinks? This cycle repeats. Scores

$1000 These islands are formed when two oceanic plates collide

$1000 What are island arcs? Scores

$200 Mountains only, no volcanoes, are formed at this type of convergent boundary

$200 What is a collision of two continental plates Scores

$400 This is the only country that has a divergent boundary running down the middle

$600 This is why there is no subduction at continental-continental collisions

$600 What is both plates are of very similar density? Scores

$800 The name for the earthquake and volcano zone that encircles the Pacific Ocean

$800 What is the Ring of Fire? Scores

$1000 This mountain chain is believed to have been formed when the North American plate converged with another continental plate during the formation of Pangaea.

$1000 What are the Appalachian Mountains? Scores

Final Jeopardy Scores The category is: Ancient Eruptions Final Jeopardy Question

Pompei and Herculaneum were devastated by the eruption of this legendary volcano in 79 A.D.

Congratulations... You are the new Jeopardy champion!!!

Plate Tectonics Powerpoint

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