Quiz 7
1. A mineral is defined as (check all that apply):
a.
b.
c.
d.
e.
Naturally occurring
Inorganic
Solid
Crystalline structure
Silicate
2. An ion:
a.
b.
c.
d.
is
is
is
is
an
an
an
an
atom
atom
atom
atom
or
or
or
or
molecule
molecule
molecule
molecule
that
that
that
that
possesses an electrical charge
is electrically neutral
possesses no protons
possesses no protons
3. Concrete is formed by adding cement and water to a mixture of sand
and gravel. This could be seen as an analog for the formation of what
type of sedimentary
a.
b.
c.
d.
clastic
chemical
biochemical
foliated
4. The total electrical charges of the ions of the elements in the mineral
olivine must balance. From data in Table 7.1, which is the most
reasonable formula for the mineral?
a.
b.
c.
d.
MgSiO2
MgSiO4
Mg2SiO4
Mg4SiO2
5. You find a rock in your yard and examine is carefully and determine
you cannot see any crystals (it is very fine-grained). This rock would
be classified as:
a.
b.
Plutonic
Volcanic
c.
d.
Granitic
Porphyritic
Quiz 8
1. Outcrops of rock are examined in four different locations in a state. The rock types and
the fossils they contain are illustrated in the following diagram. Which fossil would be the
best choice to use as an index fossil for these rocks?
a.
b.
c.
d.
Fossil 1
Fossil 2
Fossil 3
Cannot be determined
2.
Superposition is a relative age dating principle which states:
a. Sedimentary rocks are deposited in nearly horizontal layers
b. in a series of sedimentary rocks the rocks at the bottom of the stack are the oldest
and the rocks at the top are the youngest
c. older rocks may be cut by younger rocks or other geologic features
d. younger rock units sometimes incorporate pieces of older rocks
3.
The half life of a radioactive isotope is 500 million years. Scientists testing a rock sample
discover that the sample contains three times as much daughter atoms as parent
isotopes. What is the age of the rock?
a. 500 million years
b. 1,500 million years
c. 1,000 million years
d. 2,500 million years
4.
The K-T event is often called "the great dying" that occurred about 251 million years
ago. Many species, including the dinosaurs, went extinct during this event.
a. True
b. False
5.
Unconformities represent:
a. A gap in geologic time
b. Mass extinction events
c. Tilted rock units
d. the principle that geologic processes operating today have operated in the past
QUIZ 9
1. A shipment of rubber elephants falls overboard in the northern Pacific at location A on the
map (below). What path do the elephants subsequently follow?
a.
b.
c.
d.
A-G-B-F-E-A
A-E-C-G-A
A-G-C-E-A
A-E-F-B-G-A
2. At which location on the following diagram would the waves begin to break farthest from
the beach?
a. A
b. B
c. C
3. Note the line X-Y on the world map used for Checkpoint 13.1 (page 355). Which of the
profile views most accurately models the bathymetry of the ocean floor along that line?
a. Profile A
b. Profile B
c. Profile C
4. Thermohaline circulation is driven by:
a.
b.
c.
d.
Differences in water density
The wind
The Moon’s tidal pull
Melting ice sheets
5. Which factors combine to form the densist seawater?
a.
b.
c.
d.
Increasing salinity and decreasing temperature
Increasing salinity and increasing temperature
Decreasing salinity and decreasing temperature
Decreasing salinity and increasing temperature
Quiz 10
1. Air temperature decreases with altitude because air is warmed by the Earth's surface and
the air is thicker (denser) at higher altitudes.
A. true
B. false
2. Albedo is the measure of reflectance of a surface. Which of the following has the highest
albedo?
A. crops, grassland
B. dark roof
C. cumulus clouds
D. water (oceans)
3. In the following landscape, how would the amount of rainfall change at location X if the
mountain eroded down to the dashed line?
A. Rainfall would increase
B. Rainfall would decrease
C. Rainfall would stay the same
4. Measurements reveal that a cubic meter of air at 12 degrees C actually holds 6 grams of
water. What happens if the temperature of the air increases?
a.
b.
c.
d.
Absolute
Absolute
Absolute
Absolute
and relative humidity both increase
humidity increases and relative humidity remains constant
and relative humidity both decrease
humidity remains constant and relative humidity decreases
5. Your body feels cooler when you step out of a warm shower because:
a.
b.
c.
d.
Water
Water
Water
Water
evaporates on your skin
condenses on your skin
evaporates from the surrounding air
condenses in the surrounding air
Quiz 11
1. An air mass is defined as a large region of the lower troposphere that has relatively
uniform:
a.
b.
c.
d.
Temperature and moisture content
Temperature and size
Size and moisture content
Temperature and shape
2. Cold fronts advance more rapidly than warm fronts, are relatively steep compared to
warm fronts and usually produce more severe weather than warm fronts.
a. True
b. False
3. The map below illustrates the relative positions of a warm front and cold front. Where is
the warm front located?
a. Between A and B
b. Between C and D
c. At E
4. Updrafts responsible for the formation of thunderstorm clouds are most likely to occur
with which combination of conditions?
a.
b.
c.
d.
Low
Low
Low
Low
level
level
level
level
warm, moist air; upper level warm, moist air.
cool, dry air; upper level warm, moist air.
warm, moist air; upper level cool, dry air.
cool, dry air; upper level cool, dry air.
5. Weather systems generally move across the United States from:
a.
b.
c.
d.
West to east
East to west
South to north
North to south
Quiz 12
1. Locations closer to the equator receive approximately _________ times more solar
energy than locations at the poles.
a.
b.
c.
d.
2
2.5
3
3.5
2. Low pressure zones are associated with:
a.
b.
c.
d.
Rising, warm air
Rising, cold air
Sinking, warm air
Sinking, cold air
3. Many of the world's greatest deserts are located where air rises along the equator.
a. True
b. False
4. The desert conditions of Imperial Valley are helped along by a couple processes. These
include sinking air from Hadley Cell circulation and the Peninsular Ranges creating a:
a.
b.
c.
d.
Rain tunnel
Wind shadow
Shadow box
Rain shadow
5. Some proxies used for climate data include which of the following ?(check all that apply):
a.
b.
c.
d.
Tree rings
Ice layers
Meteorites
Oxygen istotopes
6. Natural variations in Earth's climate are caused by which of the following factors:
a. variations in Earth's orbit, changing oceanic circulation patterns, changing distribution
of continents and human populations
b. earthquakes, variations in Earth's orbit, changing oceanic circulation patterns and
changing distribution of continents
c. changing oceanic circulation patterns, changing distribution of continents and
variations in Earth's orbit
d. earthquakes, wildfires, tsunamis and hurricanes