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Earth Science!! Flashcards | StudBud
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Earth Science!!
Earth Science!!
20 terms
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1
Which weather variable generally decreases when wind speed is increasing, clouds are thickening, and visibility drops?
relative humidity
air pressure
dewpoint
precipitation
2
Most of the sediment that is compacted and later forms shale bedrock is _______
pebbles
silt
sand
clay
3
To an observer in New York State, the duration of daylight increases continuously from ______
December 1 to February 1
September 1 to November 1
March 1 to May 1
June to August 1
4
Which mineral will scratch fluorite, galena, and pyroxene?
dolomite
olivine
calcite
graphite
5
Sediment is deposited in a river delta because the __________
force of gravity decreases
gradient of the river increases
volume of the river increases
velocity of the river decreases
6
Which processes of the water cycle return water vapor directly to the atmosphere?
evaporation and transpiration
water retention and runoff
infiltration and capillarity
freezing and precipitation
7
Jet stream winds over the United States generally move from _____ to _____
south to north
north to south
east to west
west to east
8
The curving of the planetary winds to the right in the Northern Hemisphere is evidence of _________
the tilt of Earth's axis
The Coriolis Effect
Earth's revolution
High and low pressure belts
9
A plane traveling in a straight line from Watertown to Utica would fly over which landscape region?
Adirondack Mountains
Tug Hill Plateau
St. Lawrence Lowlands
Champlain Lowlands
10
Which rock weathers most rapidly when exposed to acid rain?
limestone
granite
quartzite
basalt
11
Which agent of erosion most likely formed the drumlins and finger lakes in New York State?
wave action
mass movement
running water
moving ice
12
The Gulf Stream and North Atlantic Current modify the climate of northwestern Europe by making the climate ____ and ____
warmer and more humid
cooler and more humid
warmer and drier
cooler and drier
13
Most of Earth’s weather events take place in the _________
mesosphere
thermosphere
atmosphere
troposphere
14
A landslide is an example of _______
river deposition
chemical weathering
glacial scouring
mass movement
15
What controls the direction of movement of most surface ocean currents?
Prevailing winds
Varying salt content in the ocean
Density differences at various ocean depths
Seismic activity
16
During which Northern Hemisphere season is Earth closest to the Sun?
summer
winter
autumn
spring
17
Which processes lead directly to the formation of igneous rock?
compaction and cementation
weathering and erosion
melting and solidification
heat and pressure
18
Which planet’s day (period of rotation) is longer than its year (period of revolution)?
Mercury
Venus
Saturn
Jupiter
19
Which motion causes the Coriolis effect on Earth?
revolution of the Earth arounf the Sun
rotation of the Earth on its axis
rotation of the Moon on its axis
revolution of the Moon around the Earth
20
What is the approximate percent of oxygen by volume present in Earth’s lower atmosphere?
21%
33%
46%
57%