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