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Chapter 10 Plate Tectonics Flashcards | StudBud
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Chapter 10 Plate Tectonics
Chapter 10 Plate Tectonics
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#plate tectonics #earth #year 9
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1
Which is true for this diagram?
6 is the asthenosphere and 10 is the mantle
10 is the outer core and 11 is the mantle
5 is the inner core and 8 is the lithosphere
8 is the crust and 11 is the lithosphere
2
Which of the following is not evidence for plate tectonic theory
thicker sediment away from ridges
newer rocks near ridges
magnetic striping
global warming
3
Evidence for continental drift includes
the great global rift
the ring of fire
similar fossils on different continents
all of the above
4
The continents may have once been combined in one super-continent called
Laurasia
Pangea
Gondwana
America
5
the convection current which moves that plates is believed to occur in the
crust
lithosphere
asthenosphere
core
6
Subduction creates
continents and plates
earthquakes and crevases
volcanoes and ocean trenches
mid-ocean ridges and rifts
7
magnetic striping suggests that
the iron content of rocks changes over time
the magnet field of the Earth has changed over time
the continents were once joined
crust material is lost over time
8
Australia is located on which plate?
scotia
antarctic
indo-australian
pacific
9
the addition of new material at ocean ridges causes
crust folding
sea-floor spreading
earthquakes
subduction
10
What occurs at diverging boundaries?
subduction and loss of plate matter
earthquakes and volcanoes
tsunamis and island formation
rift formation and volcanoes
11
Scientists believe that Australia's flora and fauna are unique because
many plant and animal species have been introduced
the continent has moved north over time
our climate is very hot and dry
we have been isolated from other continents for a long time
12
The theory of 'continental drift' was proposed by
Alfred Wegener
Harry Hess
Charles Lyell
Charles Darwin
13
Subduction zones in the ocean cause
mountains
island arcs
tsunamis
rift formation
14
the plates are believed to move due to
gravity
movement of material in the mantle
collision forces with other plates
earthquakes and volcanoes
15
The theory of continental drift was proposed in
the 1950s
the 1850s
the 1720s
the 1910s
16
The diagram shows which type of plate movement
spreading
converging
transform
diverging
17
The theory of plate tectonics suggests that the continents separated by
rifting
continental drift
subduction
earthquakes
18
The Earth's crust is broken into pieces called
plates
pieces
rifts
continents
19
What occurs at converging boundaries?
sea-floor spreading
rift and island formation
subduction and earthquakes
mountains and volcanoes
20
There are two types of crust
oceanic and continental
pacific and atlantic
upper and lower
new and old
21
New material is added to plates at
mid-ocean ridges
subduction zones
volcanoes
faults
22
Which land mass did Australia separate from most recently according to scientists?
asia
africa
antarctica
europe
23
oceanic crust are denser and heavier because they have
more silicon
more iron and magnesium
less lead and uranium
less hydrogen and oxygen