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Earth Science 3rd 9 Week Exam review Flashcards | StudBud
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Earth Science 3rd 9 Week Exam review
Earth Science 3rd 9 Week Exam review
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1
Underwater mountains that do not break the oceans surface are known as _________________
seamounts
continental slope
continental shelf
abyssal plain
2
A river flowing across a wide flood plain begins to form loop-like bends called
outside curves
deltas
rills
meanders
3
What percentage of the earth is covered in water?
70%
85%
3%
30%
4
As you dive deeper into the ocean, the water gets colder because
warm water is less dense than cold water so stays on top
the saltiest water is coldest and sinks to the bottom
there are fewer fish and other animals to warm the water
there are no waves or wind to mix the hot and cold water
5
What has the greatest effect on tides?
moon
land
surfers
sun
6
The amount of dissolved salts in the ocean is called
salinity
thermocline
chlorination
percolation
7
Which is not an example of mechanical energy?
abrasion
freezing and thawing
animal actions
oxygen
8
What is the major source of water for public use?
reservoirs
groundwater
oceans
rivers and lakes
9
The Statue of Liberty needs constant restoration because of ______________
acid rain
gravity
tides
the overpopulation in New York
10
How do plankton differ from benthos organisms?
plankton are free swimming
benthos are alive
plankton float on the surface
benthos are free swimming
11
Which natural force creates surface ocean currents?
sunlight
wind
earthquakes
gravity
12
If the first high tide of the day occurs at 6:00 am, when will the next high tide occur?
9 am
6 pm
12 midnight
12 noon
13
Which is not a type of fossil fuel?
natural gas
oil
coal
biomass
14
The flow of water in and out of a bay is used to create what type of energy?
solar
wind
nuclear
tidal
15
The type of alternative energy that deals with heat from within the earth?
geothermal
solar
hydroelectric
wind
16
What is the name of the current that brings warm to the eastern coast of the U.S.?
California Current
Eastern Current
Gulf Stream Current
Western Current
17
Place the soil layers in the correct order from top to bottom.
top soil, bedrock, c horizon, sub soil
bedrock, top soil, sub soil, c horizon
bedrock, c horizon, sub soil, top soil
top soil, sub soil, c horizon, bedrock
18
When planning a landfill, what is the most important environmental consideration?
proximity to an industrial park
the cost of the land
accessibility to a major highway
the location of the groundwater
19
The Coriolis Effect causes currents in the northern hemisphere to spin in a ______ direction.
straight down
counterclockwise
clockwise
straight up
20
As depth increases, the pressure will ______________
stay the same
increase
decrease
21
Mechanical weathering
occurs when water, air, and other substances react
describes rusting
breaks apart rocks without changing them chemically
involves a change in composition
22
The Coriolis Effect is a force that affects Earth's ______________
currents
solar radiation
tides
landforms
23
As depth increase, the temperature will ________________
increase
stay the same
decrease
24
Dams and water make up which type of alternative energy?
hydroelectric
biomass
geothermal
solar
25
What type of tide is occurring when a new or full moon is present?
spring tide
neap tide
blue tide
october tide
26
Slumps, creeps, mudflows, and rock slides are all related to which area of erosion?
gravity
wind
water
glacier
27
What type of natural process is illustrated when sand in a box is blown away by a small fan?
earthquake
volcano
erosion
continental drift
28
In the diagram, which two points on Earth are having high tides?
B and C
A and B
B and D
A and C
29
As water evaporates, the salinity of the remaining water
remains the same
increases
decreases
drops initially, then rises
30
A fan shaped deposit of alluvium at the mouth of a stream, that empties into a body of water is
a till
a slump
a delta
a cirque
31
The rate that objects weather depends mostly on the type of rock and the
climate
water vegetation
amount of soil
amount of oxygen
32
The distance from crest to trough, labeled B, is called the ___________________
trough
wave length
wave height
crest
33
What is the approximate wave length of this wave?
4 meters
8 meters
15 meters
10 meters
34
How often do El Nino's occur?
8 - 15 years
5 - 10 years
2 - 7 years
3 - 4 years
35
The Sun, the Moon, and Earth form a right angle. Which type of tide is this?
spring
fall
new
neap
36
The four agents of erosion are wind, gravity, glaciers and ______________________.
moving water
heat
worms
oxidation
37
Which example is not a way in which farmers help to reduce soil erosion?
conservation plowing
contour plowing
crop rotation
crop burning
38
The process where cold nutrient-rich water rises to replace warm surface water is known as
storm surge
upwelling
tsunami
swells
39
Which statement about mountains BEST describes the surface of Earth over time?
mountains gradually erode while new ones form
flat surfaces are gradually pushed together into higher ones
mountains and plains stay side by side for billions of years
mountains gradually erode until the Earth is at sea level
40
In the diagram, where would the greatest deposition of sediment occur?
location A
location C
location B
location D
41
Free swimming organisms of the ocean (mammals like dolphins, whales) are known as
jellyfish
benthos
nekton
plankton
42
The broad, flat portion of the deep-ocean basin is the
rift valley
continental rise
seamount
abyssal plain
43
When water can flow through rock, that rock is said to be _____________________
striated
permeable
tectonic
impermeable
44
An underwater mountain chain that forms on the ocean floor is known as a
continental slope
continental shelf
rift zone
mid-ocean ridge
45
The major process that wears down whole mountain ranges is
plate movement
silt deposition
earthquakes
weathering
46
About what percent of the Earth's water is available for drinking?
50%
3%
97%
20%
47
Which feature is proof that the Rockies are relatively younger that the ones in the East?
they have sharp peaks
they have rounded tops
their sedimentary layers are still exposed
weathering has not yet hardened the rock
48
When people remove vegetation, it will _____________ the erosion process
decrease
do nothing
speed up
slow down
49
According to the diagram, what feature is labeled C?
wave height
crest
wave length
trough
50
The section of the continent that lies just off the shoreline and beneath the ocean is called
the ridge
the plain
the basin
the shelf