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Chapter 3: Landforms
study questions
30
Geography
Undergraduate 1
03/02/2011

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Term
The boundary where Earth's plates are spreading apart is what kind of plate boundary?
Definition
divergent
Term
Earthquakes are most likely to occur near
Definition
areas where two tectonic plates meet
Term
On most of Earth's land surface what is the most important agent in moving weathered rock fragments downhill?
Definition
water
Term
An extremely long ocean wave created by an underwater earthquake that may travel hundreds of kilometers per hour is a
Definition
tsunami
Term
Which of the following are not results of post glaciation?
Definition
v-shaped valleys
Term
What kind of rocks result when rocks eroded from higher elevations (mountains, hills, plains) accumulate at lower elevations (such as swamps and ocean bottoms)?
Definition
sedimentary
Term
Less then five percent of eroded sediment will ever reach the sea.
Definition
false
Term
Plate tectonics theory has been widely accepted since the late nineteenth century.
Definition
false
Term
The very slow, gradual movement of material downslope is slumping.
Definition
false
Term
Which of the following is the least dynamic?
Definition
lithosphere
Term
In what kind of plate boundary is material from the crust very slowly forced downward, back into the mantle?
Definition
convergent
Term
During the Ice Ages worldwide sea level was lower than at present.
Definition
true
Term
The rock in the interior of Earth's surface that carries slow moving convective currents is known as the
Definition
mantle
Term
Earthquakes tend to do the most damage in economically advanced countries.
Definition
false
Term
Waves
Definition
have speeds porportionate to wavelength
Term
Volcanoes
Definition
might erupt lava that cools to form basalt
Term
Terminal moraines mark the beginning point of a glacier where ice accumulates.
Definition
false
Term
Landslides happen mainly during or following heavy rainfall.
Definition
true
Term
Leaching is a major cause of the ocean's salinity.
Definition
true
Term
Loess is a deposit of wind-blown silt.
Definition
true
Term
Seafloor spreading
Definition
can ocure at divergent plate boundaries
Term
________ are like a river carrying sediment from areas where it is eroded by waves and depositing it where breaking waves lose energy to carry it, usually in deeper water.
Definition
longshore currents
Term
Magma
Definition
all of the above
Term
The place where Earth's crust actually moves is the ________ of an earthquake.
Definition
focus
Term
Soil creep is
Definition
all of the above
Term
Plate movements across Earth's surface are believed to be caused by convection in the mantle.
Definition
true
Term
Earthquakes are most likely to occur
Definition
where two tectonic plates join
Term
The world's longest mountain range is
Definition
beneath the ocean
Term
The San Andreas Fault, where two plates slide past one another, is a famous example of what kind of plate boundary?
Definition
transform
Term
The study of the shape of Earth's surface and the processes that modify it is
Definition
geomorphology
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