WorksheetsPlate Tectonics Test sp 24
Total questions: 50
Worksheet time: 37mins
Intrusive igneous rocks form ____.
when a molten mass of rocks cools quickly
on the surface of the Earth
when lava cools forming rocks with fine crystals
when magma underground cools forming rocks with large crystals
Which of the following has the potential for the most erosion?
wind blowing materials down a slope
water flowing down a steep slope
wind blowing materials in the air, against the force of gravity
water flowing across flat land
Where would pressure on rock be greatest?
near the surface
deep underground
near contact metamorphism
when it is blasted from a volcano
What kind of plate boundary occurs where two plates grind past each other without destroying or producing lithosphere?
transform boundary
divergent boundary
transitional boundary
convergent boundary
A divergent boundary at two oceanic plates can result in a ____.
volcanic island arc
subduction zone
mid-ocean ridge
deep sea trench
Which of the following is an example of a transform boundary? This one is found in California.
the East African Rift valley
the Andes Mountains
the San Andreas Fault
the Mid-Atlantic Ridge
What type of plate boundary is illustrated in the image?
transform fault boundary
hot spot
divergent boundary
subduction zone convergence
What feature is labeled A in this picture?
continental volcanic arc
volcanic island arc
ocean ridge
trench
What is one thing that causes the crust labeled B in this picture to dive under the continental crust?
the weight of the ocean water on the oceanic crust
the depth of the oceanic crust
the higher density of the oceanic crust
the reduction of friction on the oceanic crust
The Himalayas in South Asia are an example of what type of plate boundary?
transform fault boundary
convergent continental-continental boundary
convergent oceanic-continental boundary
divergent boundary
Volcanic island arcs are associated with what type of plate boundary?
divergent boundary
convergent continental-continental boundary
convergent oceanic-continental boundary
convergent oceanic-oceanic boundary
An earthquake's epicenter is ____.
A spot halfway between the focus and the surface
the place on the surface directly above the focus
any spot along the nearest fault
the spot directly below the focus.
When an earthquake occurs, energy radiates in all directions from its source, which is called the ____.
epicenter
seismic center
fault
Which seismic waves travel most rapidly?
the push/pull P waves
rolling and twisting surface waves
the up and down S waves
tsunamis
What is the minimum number of seismic stations that is needed to determine the location of an earthquake’s epicenter?
three
one
four
two
A tsunami can occur when there is vertical movement at a fault located where?
on the San Andreas Fault
in the ocean floor
in a mountain range
under a small inland lake
Which of these is evidence for the theory of plate tectonics?
the prevalence of granite on all continents
the shifting biomes as climates change
the presence of volcanoes around the Pacific rim
the melting of the polar ice caps
Which of these causes the most severe damage?
a deep earthquake of magnitude 7
a shallow earthquake of magnitude 4
a shallow earthquake of magnitude 7
a deep earthquake of magnitude 4
The phenomenon of ridge push-slab pull is thought to help move the crustal plates because
gravity pulls more strongly on the downward edge and magma pushes on the upward edge
the magnetic field generated by the core pulls more strongly on different parts of the plate
gravity pulls more strongly on the upward edge and magma pushes on the downward edge
conduction currents result when cold magma rises and hot magma sinks
How does a tsunami cause damage?
excessive wind uproots trees and tears down buildings
flooding by rivers cresting their banks caused by upstream rainfall
flooding by ocean water can destroy property and take lives.
surface waves roll the earth's crust ripping pavement and destroying buildings
The most damaging seismic waves are the
P waves because they move parallel to the direction of the wave.
Surface waves because they are rolling and twisting waves.
none of the others; they are equally damaging.
S waves because they move perpendicular to the direction of the wave.
The outer core is __________ and generates the __________ which protects us from the solar wind.
liquid, magnetic field
solid, magnetic field
liquid, crust
solid, crust
Paleomagnetism helps support the theory of plate tectonics because
new crust forms at the mid ocean ridge and pushes old crust out toward the continents
deep sea trenches are found at divergent boundaries
crust is older at the center and younger near the continents
the Earth flips upside down every million or so years
The Moon and Earth orbit a common _______________
barycenter
equator
circumference
core
How does the energy from the Sun get to the Earth?
magic carpet
convection
radiation
conduction
Tectonic Plates are part of the Earth's _______________.
solid inner core
liquid outer core
lithosphere (crust and upper mantle)
asthenosphere and upper mantle
The most common volcanoes in the world are at the mid-ocean ridge that is 40,000 miles long and stretches around the globe. These volcanoes cause the least damage because
they are found in the ocean and are at a divergent boundary.
they are at an oceanic-oceanic convergent boundary
they are found at hot spots and form islands
they are found in the ocean and are at a convergent boundary
The Hawaiian Islands are an example of volcanoes that are not found at a plate boundary. They form at ____________________________.
oceanic-continental convergence
hot spots
subduction zone
collisional zone
Providing evidence for sea floor spreading, where in the oceans is the oldest crust found?
near the mid-ocean ridges
near the continents
at the volcanoes
in the middle
What causes the convection currents in the mantle?
differences in pressure at the inner core and outer core
differences in strength of the magnetic field
differences in density between the asthenosphere and the crust
differences in density due to temperature
What feature is formed on the continental crust at an oceanic-continental convergent boundary?
volcanoes
mid-ocean ridge
ocean trench
none of these
The map in the picture shows tectonic plate boundaries. this map would be useful in predicting the location of future
droughts
hurricanes
earthquakes
tornadoes
The layer of Earth made of solid rock and soil is called the __________________
mesosphere
asthenosphere
lithosphere
mantle
How does Paleomagnetism support Plate tectonics
It shows that magnetic reversals occur
It shows that the ocean has experienced sea-floor spreading
It shows that the older crust is found near the rising magma at the mid-ocean ridge
It shows that subduction occurs at all continental margins.
The African Rift Valley and the Mid Atlantic Ridge are both created at this type of boundary
divergent
convergent
transform
reform
Continental Crust is generally _______________ and ___________________ than oceanic crust.
thinner; more dense
thicker; more dense
thinner; less dense
thicker; less dense
Trenches, deep underwater canyons on the sea floor are created at this type of boundary.
oceanic-oceanic convergence
continental-continental convergence
oceanic-oceanic divergence
oceanic-oceanic transform
Geologists have long recognized that earthquakes are not randomly distributed on Earth, but occur in concentrated areas that coincide with ________________ and provide evidence for the theory of _________________________
mountain ranges; fault zones
continental borders; supercontinents
plate boundaries; plate tectonics
areas of liquid magma; sea floor spreading
Freezing causes
physical weathering
chemical weathering
both physical and chemical weathering
neither physical nor chemical weathering
A reaction such as rusting/oxidation causes
physical weathering
chemical weathering
both physical and chemical weathering
neither physical nor chemical weathering
The first wave to arrive at a seismograph station is the _____________ followed by the ___________, then last by the ________________.
S waves, P waves, surface waves
P waves, S waves, surface waves
surface waves, P waves, S waves
surface waves, S waves, P waves
The time difference between the arrival of the P and S waves tells you
the strength of an earthquake
the speed of the earthquake
the displacement caused by the earthquake
how far you are from the earthquake
The Theory of Plate Tectonics includes a description of how tectonic plates move. The causes of the movement are thought to be:
continents float on the ocean floor
convection currents only
ridge push/slab pull only
both convection currents and ridge push/slab pull
Which type of fault found at transform boundaries, slides in opposite directions with little up or down movement?
strike- slip fault
normal fault
reverse fault
seismic fault
Which type of fault found at divergent boundaries slides down and out?
strike- slip fault
normal fault
reverse fault
seismic fault
Aerosols are released at various places on earth. How can an aerosol be defined?
smoke that is released only at volcanoes
a type of airplane produced by Boeing
a type of garbage found in landfills
a small particle in the atmosphere such as ash, dust, salt, and SO2
Both of these gases are found in volcanic eruptions, but they have different effects. _______ can cool the planet while ______ can warm the planet.
SO2, CO2
CO2, SO2
water, SO2
CO2, water
Which process is primarily responsible for moving weathered materials and soils from one location to another?
Weathering
Erosion
Sedimentation
Compaction
Any shaking or rapid motion of Earth's solid outer layers
Earthquake
Volcano
Tsunami
Crater
What is the MOST LIKELY reason that there are no major earthquakes recorded in the interior of the continent of Africa?
there are no faults in Africa
The landmass of Africa is too large to be affected by earthquakes
The plate boundary inside Africa is too small to form earthquakes
No major plate boundaries cut through the continent of Africa.
