Weathering
Which activity demonstrates chemical weathering?
A. freezing of water in the cracks of a sandstone sidewalk
B. abrasion of a stream-bed by tumbling rocks
C. grinding of talc into a powder
D. dissolving of limestone by acid rain
D
A landslide is an example of _____ movement
mass
In which New York State landscape region is Albany located?
A. Catskills
B. Taconic Mountains
C. Hudson-Mohawk Lowlands
D. Chaplain Lowlands
C
Which rock type is most likely to be monomineralic?
A. rock salt
B. rhyolite
C. basalt
D. conglomerate
A
Base your answer(s) to the following question(s) on the Earth Science Reference Tables and on your knowledge of Earth science.A 25-gram sample of halite was placed in a jar with five other mineral samples and water. The jar was shaken vigorously for 5 minutes. The halite sample was then found to have a mass of 15 grams. What was the rate of weathering of the halite sample?
A. 0.50 g/min
B. 2.0 g/min
C. 3.0 g/min
D. 10 g/min
B
Which rock weathers most rapidly when exposed to acid rain?
A. quartzite
B. granite
C. basalt
D. limestone
D
Which sediment is most easily picked up and transported by the wind?
A. cobbles
B. pebbles
C. sand
D. silt
D
What is the main source of dissolved salts in the ocean?
A. human activities
B. minerals carried from the land by rivers
C. precipitation from storm fronts
D. weathered basalts at mid-ocean ridges
B
Which sedimentary rock may have both a chemical origin and an organic origin?
A. limestone
B. rock gypsum
C. rock salt
D. shale
A
As air on the surface of Earth warms, the density of the air
A. decreases
B. increases
C. remains the same
A
Which event is an example of chemical weathering?
A. rocks falling o the face of a steep cliff
B. feldspar in granite being crushed into clay-sized particles
C. water freezing in cracks in a roadside outcrop
D. acid rain reacting with limestone bedrock
D
Which change is most likely to occur in a landscape if its climate changes from humid to arid?
A. Wind will become a more important agent of erosion.
B. Surface features will become more rounded.
C. Chemical weathering will increase.
D. Vegetation will increase.
A
Which New York State landscape region is composed primarily of metamorphic bedrock at its surface?
A. Manhattan Prong
B. Allegheny Plateau
C. St. Lawrence Lowlands
D. Erie-Ontario Lowlands
A
Which relative concentration of elements is found in a mafic rock?
A. a high concentration of silicon and a low concentration of iron
B. a high concentration of iron and a low concentration of aluminum
C. a high concentration of aluminum and a low concentration of iron
D. a high concentration of aluminum and a low concentration of magnesium
B
At 7:00 am, the air pressure was 1,012 millibars. By 11:00 am, the air pressure had dropped to 1,004 millibars. What was the rate of change in the air pressure?
A. 16 mb/hr
B. 2 mb/hr
C. 8 mb/hr
D. 4 mb/hr
B
Adding automobile exhaust gases to the atmosphere has had the greatest impact on landscape development by
A. changing the position of crustal plates
B. changing Earth's prevailing wind patterns
C. increasing the rate of chemical weathering
D. increasing the amount of ozone in groundwater
C
Unsorted, angular, rough-surfaced cobbles and boulders are found at the base of a cliff. What most likely transported these cobbles and boulders?
A. running water
B. wind
C. gravity
D. ocean currents
C
The long, sandy islands along the south shore of Long Island are composed mostly of sand and rounded pebbles arranged in sorted layers. The agent of erosion that most likely shaped and sorted the sand and pebbles while transporting them to their island location was
A. glaciers
B. landslides
C. wind
D. ocean waves
D
How do the metamorphic rocks schist and quartzite differ?
A. Quartzite contains the mineral quartz and schist does not.
B. Quartzite forms from regional metamorphism and schist does not.
C. Schist is organically formed and quartzite is not.
D. Schist is foliated and quartzite is not.
D
A person incorrectly measures the mass of a rock as 346 grams. The actual mass is 326 grams. What is the person's approximate percent deviation (percent of error)?
A. 5.8%
B. 6.1%
C. 8.2%
D. 16.3%
A
Which geologic feature is caused primarily by chemical weathering?
A. large caves in limestone bedrock
B. a pattern of parallel cracks in a granite mountain
C. blocks of basalt at the base of a steep slope
D. the smooth, polished surface of a rock in a dry, sandy area
A
A sedimentary deposit produced by wind erosion is most likely composed of
A. sorted fine-grained particles in cross-bedded layers
B. a range of particle sizes from 1.0 to 10.0 cm in diameter think layers
C. at, angular boulders in unsorted piles
D. shells of varying size, shape, and composition in isolated mounds
A
Which interaction between the atmosphere and the hydrosphere causes most surface ocean currents?
A. cooling of rising air above the ocean surface
B. evaporation of water from the ocean surface
C. friction from planetary winds on the ocean surface
D. seismic waves on the ocean surface
C
Bedrock located near Old Forge, New York, would most likely have which characteristics?
A. clastic texture consisting of angular sediments of mostly quartz and feldspar cemented together
B. crystalline texture composed predominantly of gypsum
C. noncrystalline, glassy texture with a dark color
D. foliated texture with mica and feldspar separated into bands
D
Base your answer(s) to the following question(s)on the map below, which represents two bridges that cross the Green River. Letters A, B, and C represent locations in the river. A ball was dropped from bridge 1 at location A and the distance and travel time to location B were recorded. The results are shown in the data table below.
Travel from A to B
Distance (cm) Time(s)
12,000 240
Determine the rate at which the ball traveled,in centimeters per second, from location A to location B.
50 cm/s