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Geology Final
Chapter 1
34
Geology
Undergraduate 2
12/10/2012

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Cards

Term
We depend on geologists for the raw materials we need for survival.
Definition
True
Term
A tsunami has a small wave height, travels rapidly, and is not noticed by people in boats.
Definition
True
Term
While the reserves of petroleum hydrocarbons within the United States are limited, other geologic resources (iron, aluminum, copper, and tin) are available in great abundance.
Definition
False
Term
Geology uses the scientific method to explain natural aspects of the Earth.
Definition
True
Term
Ocean - ocean plate convergence formed major mountain belts such as the Andes and Cascades.
Definition
False
Term
The mantle is the most voluminous of Earth's three major concentric zones.
Definition
True
Term
Earth's lithosphere is made up of the uppermost part of the mantle and crust.
Definition
True
Term
Most convergent plate boundaries coincide with the crests of submarine mountain ranges called mid-oceanic ridges.
Definition
False
Term
Plate tectonics regards the lithosphere as divided into segments (plates) that are in horizontal motion.
Definition
True
Term
A transform plate boundary occurs where two plates converge.
Definition
False
Term
Convergent boundaries, due to their geometry, are the sites of the largest earthquakes on Earth.
Definition
True
Term
Rocks brought to the earth's surface by internal processes are worn down, and eroded by surficial processes.
Definition
True
Term
The Earth is about 4.6 billion years old.
Definition
True
Term
The Earth can be considered as interrelated systems..
Definition
True
Term
The Earth's system that includes the oceans, rivers, lakes, and glaciers of the world is called the _______.
Definition
Hydrosphere
Term
The _____ is an example of a transform plate boundary.
Definition
San Andreas Fault of California
Term
Rock deep within the Earth is _____ and ______.
Definition
hot; heat flows out toward Earth's surface
Term
Earth's external heat engine is driven by __.
Definition
solar power
Term
The Earth's interior heat engine works because hot buoyant material deep within the Earth _______ while cold denser material _______.
Definition
moves upward; moves downward
Term
Listed from Earth's center outward, the three concentric zones of Earth are the __.
Definition
core, mantle, crust
Term
A _____ is a scientific concept that has been tested and is in all likelihood true.
Definition
theory
Term
_______ are geological forces generated inside the Earth
Definition
tectonic forces
Term
_______ are geological forces generated inside the Earth
Definition
tectonic forces
Term
Earthquakes, volcanic eruptions, landslides, floods, and tsunamis are all examples of:
Definition
geologic hazards
Term
The ____ is soft and therefore flows more readily than the underlying mantle
Definition
asthenosphere
Term
After data have been analyzed, tentative explanations or solutions called _____ may be proposed.
Definition
hypotheses
Term
Plate tectonics is a unifying idea that helps explain where and why there are ___ on Earth.
Definition
all correct
Term
The two major types of crust are oceanic crust and __.
Definition
continental crust
Term
The concept of plate tectonics regards the earth's ___ as broken into a number of ___ that are in motion relative to each other.
Definition
lithosphere; plates
Term
Plates are known to be moving away from each other __.
Definition
across mid-ocean ridges
Term
A _______ boundary occurs where plates move towards one another.
Definition
convergent
Term
The _____ of old seafloor takes place at convergent boundaries.
Definition
destruction
Term
The North American plate is moving ____.
Definition
west
Term
The best geologic data currently available indicates that Earth is approximately ___ years old.
Definition
4,550,000,000
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