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- 1. Multiple ChoiceWhich type of plate boundary would cause folded mountains to form?transformconvergentdivergentsubduction
- 2. Multiple ChoiceThe Great Rift Valley in Africa and the Mid-Atlantic Ridge were both created by this type of plate boundary.divergentconvergenttransformsubduction
- 3. Multiple ChoiceWhat are the two types of crust?continental and oceanicocean and basinlower and upperthick and thin
- 4. Multiple Choice
What drives tectonic plate movement?
gravity
coriolis effect
convection currents
the Earth's magnetic core
- 5. Multiple ChoiceEarthquakes and volcanoes are most likely found in which locations?at plate boundariesin oceansin the middle of continentsin the middle of plates
- 6. Multiple ChoiceTransform boundaries are most likely to produce what phenomenon?volcanoesdeep sea trenchesunderwater mountain rangesearthquakes
- 7. Multiple ChoiceWhen an oceanic plate and a continental plate collide, which one will subduct?oceaniccontinentalneitherboth
- 8. Multiple Choice
Two tectonic plates collide at a _?_ plate boundary.
convergent
divergent
transform
transformer
- 9. Multiple ChoiceThis land form can occur at a divergent plate boundary.trenchmid-ocean ridgefolded mountainsfault
- 10. Multiple Choice
According to Wegener's hypothesis of continental drift, _?_.
Earth's surface is made up of seven major landmasses
the continents DO NOT move
Earth is slowly cooling and shrinking
the continents were once joined together in a single landmass
- 11. Multiple ChoiceWhat is Pangaea?the name of a German scientistthe name of the super-continent that existed millions of years agoanother name for continental driftthe name of an ancient fossil
- 12. Multiple ChoiceWhat type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis?evidence from landformsevidence from fossilsevidence from human remainsevidence from climate
- 13. Multiple Choice
Most geologists rejected Alfred Wegener's idea of continental drift because _?_.
it did not agree with their current theory
Wegener was interested in what Earth was like millions of years ago
Wegener used several different types of evidence to support his hypothesis
Wegener could not identify the force that moved the continents
- 14. Multiple Choice
In Seafloor Spreading, molten material rises from the mantle and erupts or flows out _?_.
along the edges of all the continents
along mid-ocean ridges
in the deep ocean trenches
in the north and south poles
- 15. Multiple ChoiceHow did scientists discover that rocks farther away from mid-ocean ridges were older than those near it?by observing eruptions of molten material on the seafloorby mapping rocks on the sea floor using sonarby determining the age or rock samples obtained by drilling on the seafloorby measuring how fast seafloor spreading occurs
- 16. Multiple Choice
The geological theory that states that pieces of Earth's lithosphere are in constant, slow motion is the theory of _?_.
subduction
plate tectonics
evolution
seafloor spreading
- 17. Multiple Choice
A place where two plates slide past each other, moving in opposite directions, is known as a _?_.
transform boundary
divergent boundary
convergent boundary
rift valley
- 18. Multiple Choice
A rift valley on land forms at a _?_.
convergent plate boundary
divergent plate boundary
transform boundary
deep ocean trench
- 19. Multiple Choice
A collision between two pieces of continental crust at a converging boundary produces a _?_.
mid-ocean ridge
deep ocean trench
volcanic mountain range
folded mountain range
- 20. Multiple ChoiceWhat discovery caused scientists to rethink Wegener's continental drift theory?discovery of earthquake activity in Californiadiscovery of the ring of fire in the Pacific Oceandiscovery of seafloor spreading in the Atlantic Oceandiscovery of deep trenches off the coast of South America
- 21. Multiple ChoiceWhat were magnetic stripes on the ocean floor used to show?the seafloor was spreading outward from the mid-Atlantic ridgethe seafloor was spreading inward toward the mid-Atlantic ridgethe seafloor was effectively stationarynatural magnetic rocks always form in the mantle of the Earth
- 22. Multiple Choice
Scientists recently found coal deposits in eastern Antarctica. This discovery provides evidence of _?_.
coastal erosion
plate tectonics
ocean currents
global warming
- 23. Multiple ChoiceThis theory explains the moving of continents, but could not answer what made the land masses move.seafloor spreadingevolutioncontinental driftplate tectonics
- 24. Multiple ChoiceAt a convergent boundary, how can you determine which plate will be subducted under the other?the denser plate is subducted under the less dense platethe younger plate is subducted under the older platethe plate nearest the poles is subducted under the plate nearer the equatorthe plate with greater magnetic properties will be subducted under the less magnetic plate
- 25. Multiple Choice
The Andes Mountains are a volcanic mountain range located on the western coast of South America. The plate boundary located in this region is most likely an area of _?_.
subduction because the plates are colliding
folded mountains because the plates are colliding
mid-ocean ridges because the plates are pulling apart
ocean-floor spreading because the plates are spreading apart
- 26. Multiple ChoiceThe Himalayas are formed because of what kind of plate movement?a continental plate being subducted under anothertwo plates moving aparttwo continental plates collidingtwo plates sliding past one another
- 27. Multiple ChoiceThe San Andreas Fault is a crack in the Earth's crust that runs the length of California. What plate boundary feature caused this?an inactive convergent boundaryan active convergent boundaryan active transform boundarya volcanic eruption
- 28. Multiple ChoiceFolded mountains form at which type of plate boundary?transformdivergentsubductionconvergent
- 29. Multiple ChoiceWhat geologic feature is most likely to form at a divergent boundary?deltarift valleytrenchplateau
- 30. Multiple ChoiceWhat do volcanic island arcs indicate about the plate tectonics in the region?a converging plate boundarya diverging plate boundarya transform plate boundarynew seafloor being created
- 31. Multiple ChoiceWhat occurs when an oceanic plate is subducted under a continental plate?new oceanic plate is createdcontinental crust is destroyedislands formoceanic crust is destroyed
- 32. Multiple ChoiceWhat geologic process formed the Himalayas?two continental plates convergingan earthquake in a subduction zonea tectonic plate moving over a hot spotmovement at a transform fault boundary
- 33. Multiple ChoiceWhat is the explanation for underwater mountain ranges?continental driftseafloor spreadingconverging oceanic platesshearing
- 34. Multiple ChoiceWhat is a magnetic field reversal?when Earth's magnetic field suddenly disappears for short periods of timewhen Earth's magnetic field is flipped so that the positions of magnetic north and magnetic south are interchangedwhen Earth's magnetic field suddenly runs east/west instead of south/northnone of these
- 35. Multiple Choice
If you used the theory of plate tectonics to predict the most likely place for the next volcanic eruption, you should predict that it is most likely to occur _?_.
along boundaries between colliding lithospheric plates
where one has not happened in at least 10 million years
in the interior of any continent
where a continental lithospheric plate is being subducted beneath an oceanic lithospheric plate
- 36. Multiple Choice
A break or crack in the Earth's crust is called a _?_.
plate
fault
fold
crack
- 37. Multiple Choice
Name this plate boundary.divergentconvergenttransforminsurgent - 38. Multiple ChoiceName this plate boundary.divergentconvergenttransformtransformers
- 39. Multiple ChoiceName this plate boundary.divergentconvergenttransformallegiant
- 40. Multiple Choice
What technology developed during World War 1 led us to discover mid-ocean ridges?
Glomar Challenger
SONAR
RADAR
Echolocation
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