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CHANGING EARTH: Plate tectonics, seafloor spreading, rocks... Flashcards | StudBud
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CHANGING EARTH: Plate tectonics, seafloor spreading, rocks...
CHANGING EARTH: Plate tectonics, seafloor spreading, rocks...
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Plate tectonics, sea floor spreading, continental drift review
Flashcards
26 cards
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Questions
26
Answers
1
Which is most common rock found on Earth's surface?
sedimentary
basalt
metamorphic
ingneous
2
What happens at convergent oceanic to oceanic boundaries?
plates move toward each other and volcanoes form
plates move apart and volcanoes form
plates are not moving
plates move past each other sideways
3
The cycle of heating, rising, cooling, and sinking is called a _______________.
Convergent boundary
Conduction current
Subduction zone
Convection current
4
What type of plate boundary has plates sliding past each other?
transform boundaries
convergent boundaries
subduction zones
divergent boundaries
5
Which of the following is used as evidence of seafloor spreading?
fossil evidence
magnetic pole reversal
rock clues
climate clues
6
What is a naturally formed solid made of one or more minerals?
cave
rock
stalagmite
volcano
7
Which rock forms when molten rock cools and becomes solid?
sedimentary
mineral
igneous
metamorphic
8
Where might mountains forms?
Magnetic Boundaries
Divergent boundaries
Convergent boundaries
Transform boundarie
9
The youngest rocks in the ocean floor are located at the mid-ocean_______.
volcanoes
basins
trenches
ridges
10
What type of plate boundary moves towards one another?
reverse
transform
divergent
convergent
11
Do two colliding continental plates ALWAYS cause volcanoes?
No
Yes
12
Which rock forms from heat and pressure?
sedimentary
igneous
metamorphic
chalk
13
Which of the following is true about the lithospheric plates?
They move occasionally
They never move
The move annually
They constantly move
14
Which scientists is credited with the continental drift hypothesis?
Neil Armstrong
Harry Hess
J. Tuzo Wilson
Alfred Wegener
15
How is the magnetic pattern formed at mid ocean ridges?
shows hot spots
same on either side of ridge
randomly arranged
older at ridge, younger at trench
16
How do scientists explain the formation of underwater mountain ranges?
seafloor spreading
continental drift
convection currents
strike-slip faults
17
A divergent boundary is a boundary between two plates that_______________________.
move toward each other
move away from each other
converge
slide along each other
18
What is the name of the supercontinent that Alfred Wegener theorized about?
Gonwanaland
North America
Pangaea
Laurasia
19
What do scientists believe is the force behind the plate tectonics theory?
the movement of the planets
convection currents
the Sun's gravity
gravity slab pull
20
What is the approximate rate of plate movement?
a few millimeters a year
a few centimeters a year
a few meters a year
a few kilometers a year
21
What is the process occurring in the mantle's asthenosphere that drives plate tectonics?
plate boundary
divergent boundary
convection current
normal fault
22
What are earth's layers from cent to surface?
inner core, outer core, crust, mantle
crust, mantle, outer core, inner core
inner core, outer core, mantle, crust
inner core, mantle, outer core, crust
23
A tectonic plate is a slab of Earth's..
asthenosphere & lithosphere
crust & upper mantle
molten mantle & outer core
asthenosphere & inner core
24
What happens to rock around a subducting slab?
It goes over the other plate
It disappears from Earth
It goes under the other plate
It combines with the other rock
25
What causes geologic events such as earthquakes, volcanoes, and the creation of mountains?
Lithospheric plate movement
Ocean tides
Position of the planets
Atmospheric pressure
26
Which is evidence of continental drift that Wegener himself used?
earthquake data
convection currents
similar rocks & fossils
sea-floor spreading
