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WorksheetsPlate Tectonics
Total questions: 85
Worksheet time: 58mins
Tectonic plates consist of
continental crust
mesospheric crust
both continental and oceanic crust
oceanic crust
The scientist who developed the big idea called "sea-floor spreading"
Alfred Wedgener
Harry Hess
Edward Dutton
Ortelius
Pangaea was an ancient supercontinent made up of...
America, Greenland, and Europe
Antarctica, India, and America
all of Earth’s continents
South Africa, India, Australia, and South America
Why did no one believe Wegener's thoery that the continents were once together?
He could not explain HOW the continents moved
He didn't have evidence
His data was wrong
He didn't use the right technology to gather data
The movement of the tectonic plates is caused by
the rotation of the Earth
convection currents in the Asthenosphere
the gravity of the iron-nickel core
the Moho discontinuity
Which layer of the Earth consists of tectonic plates?
asthenosphere
mantle
mesosphere
lithosphere
Tectonic plates “float” on
the lithosphere
the mantle
the ocean
the asthenosphere
Tectonic plates “float” on
the lithosphere
the mantle
the ocean
the asthenosphere
The earth's outer shell is divided into slabs of rock called ______ .
continental plates
crustal plates
trench plates
tectonic plates
What is the driving force behind the movement of the plates?
Match the following as either Continental crust or Oceanic crust
Continental
crust
older
Continental
crust
less dense
Oceanic
crust
recycles
Oceanic
crust
basalt rock
Continental
crust
thicker
divergent
convergent
transform
At which plate boundary is new crust formed?
divergent
convergent
continental
transform
What type of crusts are involved with one plate subducting beneath another?
continental and continental
Oceanic and continental
oceanic and divergent
continental and convergent
What types of landforms are formed at convergent boundaries?
PICK TWO
volcanoes
new crust
Trenches
rift valley
What is the WHOLE AREA called where the oceanic crust goes beneath the continental crust?
subtraction zone
section zone
secondary zone
subduction zone
This evidence shows ancient animals lived on several continents, even though they are an ocean apart.
Mountain Range Evidence
Glacial Evidence
Fossil Evidence
Similar patterns are found around the world in high peaks.
Mountain Range Evidence
Glacial Evidence
Fossil Evidence
Marks left behind showing direction of ice movement
Mountain Range Evidence
Glacial Evidence
Fossil Evidence
Lines of similar age/type matching on different continents
Alfred Wegener
Pangea
Rock Strata
Mega continent made of combined continents
Alfred Wegener
Pangea
Rock Strata
Mark only those that are evidence for Plate Tectonics:
Rock Strata
Porosity
Fossil Record
Acceleration
Continental Drift
When a divergent boundary happens under continental crust, it's called a:
Rift Valley
Block Mountain
Folded Mountain
Mid-Ocean Ridge
Rift Valleys and mid-ocean ridges are associated with...
divergent boundaries
transform boundaries
convergent boundaries
plate boundaries
where two plates are moving apart, magma comes up to create new crust
ridge
divergent boundary
convergent boundary
plate boundary
A transform boundary, where one tectonic plate slides past another, is likely to result in which of the following?
Frequent earthquakes
Rift valley formation
Intense weathering
Mountain building
What type of boundary is this?
convergent
divergent
transform
What is this a picture of?
Pangaea
Plate tectonics
Glaciers
Which is true about the crust at a Transform Boundary?
Crust is destroyed
Crust is created
Crust is neither destroyed or created
What kind of plate boundary is the San Andreas Fault on?
Convergent
Divergent
Transform
What do you expect to find at a mid-ocean ridge?
relative young rocks
reverse fault
thick accumulation of sediments
very ancient rocks
Divergent Boundaries
Create new crust
Destroy crust
Neither create or destroy
The Himalayas in Asia are an example of what type of plate boundary?
divergent
ocean-to-continent convergent
continent-to-continent convergent
transform
What type of crusts are involved with one plate subducting beneath another?
continental and continental
Oceanic and continental
oceanic and divergent
continental and convergent
divergent
convergent
transform
Is there a pattern to the locations of earthquakes and volcanoes around the globe?
No, earthquakes and volcanoes are random.
Yes, earthquakes and volcanoes usually occur near the boundaries of tectonic plates.
yes, earthquakes and volcanoes usually occur in the middle of tectonic plates.
No, earthquakes and volcanoes usually occur under water.
tectonic plate that is composed entirely of oceanic crust and lies beneath the Pacific Ocean.
Pacific plate
South American plate
North American plate
Indo-Australian plate
undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
subduction
mid-ocean ridge
boundary
fault
Where is the Ring of Fire located?
Atlantic Plate
Pacific Plate
Japanese Plate
North American Plate
Which continents boarder the Ring of Fire? SELECT ALL THAT APPLY.
Asia
Austrailia
Africa
North America
South America
The country of Iceland is a great place to study geology because it forms over a _____________ and _______________.
Divergent boundary and hotspot
Convergent boundary and hotspot
Only at a transform boundary
Only over a hotspot
What type of plate boundary is this?
Convergent
Divergent
Transform
Hot spot
This is the name for the chain of volcanoes and earthquakes around the edge of the Pacific Plate.
The Subduction Zone
The Ring of Fire
The Seismic-Tectonic Area
divergent
convergent
transform
divergent
convergent
transform
Hot melted rock that forms underground near the subduction zone is called ___.
lava
sedimentary rock
igneous rock
magma
What is magma called when it reaches the surface of Earth?
Lava
viscosity
toxic gas
True or False: The more silica a volcano has in its magma, the quieter it will erupt.
true
false
Match the volcano to its descriptions?
Erupt quietly - has dark basaltic magma
Shield
Has tall steep sides
Cinder Cone
Erupt loudly - has light grinitic magma
Composite
Match the volcano to its descriptions?
Is broader and wider than it is tall
Shield
Magma/lava is thinner than composite but thicker than shield
Cinder Cone
Most common type of volcano in the world
Composite
Match the volcano to its descriptions?
Shield
Cinder Cone
Composite
What is a volcano?
A weak spot in Earth’s crust where magma can come to the surface.
A mix of rocks, minerals, gases, and water from the mantle.
Hot semifluid rock that becomes solid rock as it cools off.
A special kind of mountain.
Where do volcanoes typically form?
At plate boundaries.
In the middle of tectonic plates.
What is an explosive eruption?
When trapped gases build up pressure until they explode with incredible force.
When magma flows easily and erupts quietly with gases bubbling out gently and lava oozing out quietly.
What is a dormant volcano?
A volcano that has erupted at least once in the last 10,000 years.
A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.
A volcano that should never erupt again.
What is an extinct volcano?
A volcano that has erupted at least once in the last 10,000 years.
A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.
A volcano that should never erupt again.
Which of the following is NOT a feature of stratovolcanoes?
Also called composite volcanoes.
Made of layers of ash and lava.
Very tall.
Made of layers of just lava.
What kind of eruptions do stratovolcanoes have?
Explosive eruptions.
Quiet eruptions.
What kind of volcano is this?
Stratovolcano
Shield volcano
Cinder cone volcano
What kind of volcano is this?
Stratovolcano
Shield volcano
Cinder cone volcano
What event happens when there is a sudden, violent shaking of tectonic plates?
earthquake
volcano
thunderstorm
When scientists map the location of earthquakes, where do they find that most earthquakes happen?
middle of tectonic plates
in the core of the earth
only near mountains
at plate boundaries
Why aren't all earthquakes recorded?
happen too far underground
happen too often
too weak to be felt
happen under the mantle
What gets released when plates move that causes the ground to shake?
energy
light
soil
What type of energy waves do earthquakes produce?
sound
heat
light
seismic
Which scale measures the magnitude, or size, of an earthquake?
Mercalli
Richter
weight
density
The strength of the shaking from an earthquake is called it's intensity.
True
False
How fast can tsunamis travel?
400 mph
100 mph
1,000,000 mph
500 mph
