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Plate Tectonics Review
Plate Tectonics Review
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# Plate Tectonics. Review questions on 6th grade Earth Science standards,GA
Flashcards
32 cards
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Questions
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Answers
1
The movement of earth's plates directly cause all
EXCEPT
this type of catastrophic event:
earthquake
volcano
ice age
tsunami
2
Which geological features MOST LIKELY prompted the theory of plate tectonics?
glacier fields
tropical rainforests
river deltas
mountain ranges
3
In the diagram of the ocean basin, where is the oldest oceanic crust found?
A
C
B
D
4
The convection cycles of mantle are the main cause of movement of what part of the Earth?
Oceans
Core
Crust
Atmosphere
5
One section of the sea floor goes under another section is called ______ boundary?
Divergent
Convergent
Transform
Metamorphic
6
The outer core of the earth is primarily made of....
solid metal
water
molten metal
unknown materials
7
The continental crust is _________ than the oceanic crust and seems to "float" on the mantle.
thinner
less dense
mostly basalt
younger
8
What was Pangaea? When did it form ...
a large, Precambrian shield area of Africa and South America
the huge mountain range formed when Africa pushed northward.
a large ocean basin that opened in the Triassic period.
the supercontinent that formed in late Paleozoic period.
9
The Earth’s surface is not a solid surface but is divided into...
several oceanic plates.
continental and oceanic plates.
seven continental plates.
continental and crustal plates.
10
If you were to travel from the surface to the center of Earth, the temperature would....
stay about the same.
decrease dramatically.
increase dramatically.
increase minimally.
11
How is the crust DIFFERENT from the other layers of the Earth?
It's hotter
It's thinner
It's under pressure
It's mostly liquid
12
What type of plate boundary is shown in this illustration?
mantle boundary
convergent boundary
transform boundary
divergent boundary
13
What is the main method of heat transfer from the core to the crust of Earth?
Convection
Radiation
Conduction
Insulation
14
Which of these is the thickest layer of the Earth?
outer core
inner core
mantle
Crust
15
What was the main reason that Wegener's theory received a lot of ridicule from Scientist?
No data to suggest any change in geologic structures.
No similar fossils were found on different continents.
Wegener did not give a method on how the continents moved.
The outlines of the continents looked like puzzle pieces.
16
Which layer of the earth contains granite and basalt in the GREATEST abundance?
inner core
outer core
mantle
crust
17
What events caused the formation of most islands in the South Pacific?
Meteors
Volcanoes
Earthquakes
Hurricanes
18
The MOST water, in liquid form, is found
deep below the mantle
deep below the crust
directly above the core
directly above the crust
19
Which choice is NOT a type of plate boundary?
Thrust
Transform
Convergent
Divergent
20
The movement of the tectonic plates is caused by....
the Moho discontinuity.
convection currents in Earth's mantle.
the gravity of the iron-nickel core.
the rotation of the Earth.
21
Which of the following choices is
NOT
evidence supporting the theory of plate tectonics?
fossil assemblages
ancient cave drawing found in France
the jigsaw puzzle-like fit of the continents
traces of glaciation found in Africa and South America
22
The convection cycles of mantle are the main cause of movement of what part of the Earth?
core
oceans
atmosphere
crust
23
Geologists trying to drill into the mantle would drill from the ocean, because the crust is...
thinner
older
less dense
softer
24
_______are created by very hot material deep in the mantle rising, then cooling, sinking again,
convection waves
magma currents
convection currents
magma flows
25
Ocean trenches are formed when....
two plates grind past each other along transform faults.
an oceanic plate goes under another oceanic plate.
two plates hit each other causing both plates to rise up.
two oceanic plates slide past each other.
26
What part of the earth is labeled layer 2 ?
The Mantle
The Atmosphere
The Core
The Crust
27
Where would you place the upper mantle?
Hydrosphere
Atmosphere
Lithosphere
Biosphere
28
Subduction zones
occur all over Earth. This is further evidence for the...
theory of natural selection.
big bang theory
theory of plate tectonics.
the origin of species
29
The movement of the tectonic plates is caused by
convection currents in Earth's mantle.
the gravity of the iron-nickel core.
the Moho discontinuity.
the rotation of the Earth.
30
If scientists were able to stop the tectonic plates from moving, people on Earth would not have
the tides.
ocean waves.
earthquakes.
change in seasons.
31
Which events are associated with transform plate boundaries?
trenches and island arcs
faults and earthquakes
volcanoes and sea floor spreading
folded mountains
32
According to the information in the diagram, which layer of the Earth is liquid?
mantle
inner core
crust
outer core
