WorksheetsTectonic Processes
Total questions: 38
Worksheet time: 19mins
The outermost layer of the Earth is called the MANTLE.
True
False
In which layer of the Earth are the tectonic plates located?
inner core
outer core
mantle
crust
Which type of crust is made of basalt and is
younger, thinner, and more dense?
Oceanic
Continental
This structure provides strong evidence of The Theory of Plate Tectonics
volcanoes
Mid-Atlantic Ridge
Mariana Trench
hydrothermal vents
When these 2 plates collide, a trench is created and a chain of volcanic islands are formed.
continental/ oceanic
divergent/oceanic
convergent/divergent
oceanic/oceanic
The deepest point in the Marianas Trench is called...
Pangea
Challenger Deep
Ring of Fire
mid ocean ridge
When the energy released moves as seismic waves through the lithosphere in causes a(n) _______________.
hydrothermal vents
tsunamis
seafloor spreading
earthquake
At these boundaries, plates collide and the more dense plate is
pushed (subducted) under the other.
convergent
divergent
oceanic
continental
Seafloor spreading happens at these boundaries.
oceanic
convergent
divergent
continental
Who proposed the Theory of Continental Drift?
Galileo Galilei
Albert Einstein
Alfred Wegener
Aristotle
What was the name given to the land mass that contained all of the continents together?
Utopia
Euromerica
Afrasia
Pangea
Which of the following supports the theory of Continental Drift?
The apparent fit of the continents
The fossil correlation
The rock and mountain correlation
All of the above
What causes the plates to move?
hot magma rising and cooler magma falling
convection currents
both
neither
Which type of plate boundary occurs when two plates slide past each other?
convergent
divergent
transform
Which type of plate boundary causes mid-ocean ridges to form?
convergent
divergent
transform
What country does the Mid-Atlantic Ridge pass through?
Greenland
Iceland
England
Scotland
What type of boundary forms deep ocean trenches?
convergent
divergent
transform
Where do you find the deepest point in the ocean?
Mid-Atlantic Ridge
Marianas Trench
Abyssal Plains
Hydrothermal Vents
When two plates collide and the more dense one goes under the less dense one, this is called...
subduction
transformation
divergence
convergence
What is usually found alongside a trench?
a chain of volcanoes/ volcanic islands
abyssal plains
hydrothermal vents
Where is the "Ring of Fire"?
Around the Atlantic Ocean
Around the Pacific Plate
In the Indian Ocean
Between South America and Africa
What type of plate boundary causes seafloor spreading?
convergent
divergent
transform
Hydrothermal vents are found at depths of 2000 meters or more.
True
False
Where do you find hydrothermal vents?
in trenches
on abyssal plains
at mid-ocean ridges
on volcanic islands
Paleomagnetic stripes on the ocean floor near the Mid-Atlantic Ridge were caused by...
more and less tectonic plate movement at different times
different types of magma rising to the surface at different times
the plates changing from divergent to convergent over time
the magnetic poles changing every 300,000 years on average
What is the most prominent feature at transform boundaries?
faults
trenches
seafloor spreading
mid-ocean ridges
What type of tectonic activity occurs at transform boundaries?
earthquakes
tsunamis
volcanoes
earthquakes and tsunamis
Seafloor spreading on either side of a mid-ocean ridge forms what marine geological feature?
abyssal plains
hydrothermal vents
trenches
volcanic islands
Abyssal plains are covered with a thick layer of __________, which
accumulates from falling organic matter, making them smooth and flat.
sediment
sand
rock
lava
What do you call the organic material that falls to the bottom of the ocean?
sea mud
primordial ooze
marine snow
marine debris
When the build-up of pressure due to friction between two plates releases, it causes...
a volcanic eruption
a mid-ocean ridge to form
a trench to form
an earthquake
Earthquakes can be caused by volcanic eruptions.
True
False
What can cause a tsunami?
only earthquakes
only volcanoes
earthquakes and volcanoes
What heats the water in hydrothermal vents?
the mantle
chemical reactions
chemosynthetic bacteria
the sun
What type of minerals are found in hydrothermal vent plumes?
iron sulfides
copper sulfides
zinc sulfides
all of the above
What causes the water to be forced out at the surface?
volcanic gases
pressure from the superheated water
How do the organisms at hydrothermal vents get food?
photosynthesis
respiration
chemosynthesis
they eat magma
Black and white smokers are types of plumes that are different colors due to...
the types of minerals in the water
the temperature of the water
how deep the hydrothermal vent is in the ocean
how much pressure the water is under
