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Duplicate of Plate Tectonics Review 2 Flashcards | StudBud
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Duplicate of Plate Tectonics Review 2
Duplicate of Plate Tectonics Review 2
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review of large scale geology concepts for 8th grade science
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What type of plate boundary is represented in this diagram?
convergent
divergent
transform
2
Oceanic crust is ____ than continental crust.
more dense
thicker
less dense
smaller in area
3
Plates that grind horizontally past each other (opposite directions) occur at ____ boundaries.
none of the above
convergent
divergent
transform
4
What is responsible for volcanoes & earthquakes occuring along the rim of the Pacific Ocean?
the moon
plate boundaries
extremely hot temperatures
wave action
5
What is the result of oceanic lithosphere and continental lithosphere colliding?
continental lithosphere subducts
ocean lithosphere subducts
a rift valley forms
seafloor spreading
6
The process by which the ocean floor returns to the Earth's interior & is melted is called __.
construction
seafloor spreading
divergence
subduction
7
Use the pic to identify type of plate movement occuring above the convection currents shown.
subduction
divergent
transform
convergent
8
An area where magma melts through the crust in the middle of a plate is known as a ____.
hot spot
subduction zone
ridge
convection current
9
The Earth's lithospheric plates move at speeds that average ______________.
30 m/yr
3 cm/yr
3 m/yr
3 km/yr
10
Which of the following are MOST likely to occur at a transform plate boundary?
volcanoes
earthquakes
none of the above
mountains
11
Why are there so many earthquakes in the state of California?
due to the San Andreas fault, a transform boundary
due to the San Andreas fault, a divergent boundary
none of the above
due to San Andreas fault, a convergent boundary
12
Who first proposed the theory of Continental Drift in 1915?
Alfred Dunner
Alfred Vegener
Albert Wegener
Alfred Wegener
13
At a divergent plate boundary, one plate moves ____________ another plate.
away from
underneath
horizontally next to
toward
14
A geologic feature (landform) that forms as a result of subduction is a ____.
rift valley
sand dune
trench
geyser
15
The energy source for convection currents within the Earth's mantle is ___.
the moon
the core
the sun
Mercury
16
What term is used to refer to molten rock beneath the Earth's surface?
magma
granite
lava
pumice
17
Which of the following is not a piece of evidence to support the Theory of Plate Tectonics?
Fossils of Glossopteris found on many continents
Computers match coasts of South America & Africa
Satellites & lasers measure movement of continents
Egyptian hieroglyphics that describe continental movement
18
Plate tectonics is the theory that sections of the Earth's crust ________.
are floating in the oceans & are called continents
is hot and wrinkled due to cooling after continents formed
have collapsed forming oceans between continents
are moving toward & away from each other to form continents
19
What type of plate boundary is represented in this diagram?
divergent
transform
convergent
20
What type of plate boundary is associated with subduction?
divergent & transform boundary
divergent boundary
transform boundary
convergent boundary
21
Continent to Continent collision is taking place at the _____.
Subduction zones
Himalayan Mountains
Mid-Atlantic Ridge
Hawaiian Islands
22
Most earthquakes occur ________.
at the poles
in the middle of tectonic plates
along plate boundaries
23
When fluids are heated, they become ____.
solids
more dense
heavier
less dense
24
What is the process or force that powers the movement of lithospheric plates?
convection
subduction
radiation
conduction
25
What type of plate boundary is represented in this diagram?
divergent
convergent
transform
reverbent
26
Lithosphere is mostly destroyed at which type of plate boundary?
convergent boundary
none of the above
divergent boundary
transform boundary
27
The Himalayan Mountains were formed by _________.
two plates colliding & new crust forming
the buildup of soil & rocks over milliosn of years
two plates colliding
two plates moving away from each other
28
The Mid-Atlantic Ridge is an example of a landform that forms along a _______ plate boundary.
allegiant
divergent
transform
convergent
29
The process that adds NEW lithosphere to the ocean floor is called _____.
convection
seafloor spreading
subduction
continental drift
30
During convection within the mantle, cooler, more dense molten rock ____.
suspends in the middle
sinks to the bottom
rises to the top
stays where it is
