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WorksheetsBracket III: Earth Science
Total questions: 104
Worksheet time: 1hrs 23mins
What is the main agent of erosion on Earth’s surface?
Wind
Waves
Running water
Gravity
Age of Earth
7.6 billion years
4.6 billion years
6.6 billion years
6.5 billion years
Which is the correct order of geologic time? largest - smallest
eras, epochs, eons, periods
eons, eras, periods, epochs
epochs, eons, periods, eras
The age of marine life.
paleozoic
mesozoic
cenozoic
The Age of Mammals
Cenozoic
Mesozoic
Paleozoic
In which time period are we currently living?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
In what time period did Pangaea, the super continent, appear?
Precambrian
Paleozoic
Mesozoic
Cenozoic
Dinosaurs, small mammals, and birds are found in this time period.
Precambrian
Paleozoic
Mesozoic
Cenozoic
The end of an era, and the end of life for groups of organisms, is called?
Death
Mass extinction
Transition
Turning point
The Age of Fishes
Devonian Period
Cambrian Period
Vendian Period
Silurian Period
Age of Soft Bodied Animals
Vendian Period
Ordovician Period
Cambrian Period
Silurian Period
A scientist who studies fossil remains in order to study primitive life forms.
Ecologist
Geologist
Zoologist
Palentologist
During this period Earth was flowing with lava, the core was unstable, and was the first Era of the Precambrian Eon.
Paleozoic
Hadean
Archean
Cenozoic
Which era began with the early invertebrates, such as trilobites and brachiopods.
Paleozoic
Mesozoic
Cenozoic
Mountains are created at this type of boundary.
Divergent
Convergent
Transform
Which of these explains that Earth's outer layer is broken into large slowly moving pieces?
Plate Tectonic Theory
Continental Drift
How do scientists determine the absolute ages of rocks using radioactive isotopes?
By analyzing the percentages of radioactive isotopes and daughter isotopes
By measuring the thickness of the rock layers
By studying the color of the rock
By counting the number of fossils in the rock
What are the two techniques used to determine the age of Earth and the rocks on its surface?
Fossil dating and tree ring dating
Luminescence dating and thermoluminescence dating
Carbon dating and potassium-argon dating
Absolute and relative dating
What principle allows scientists to compare the age of one rock or fossil to another?
Principle of superposition
Principle of inclusions
Principle of original horizontality
Principle of cross-cutting relationships
What method of dating rock is used to determine the age of Earth?
Carbon dating
Potassium-argon dating
Radiometric dating
Luminescence dating
What type of rock provides evidence of the environment that it once formed in?
Igneous rock
Metamorphic rock
Volcanic rock
Sedimentary rock
What do ice cores give a history of?
History of tectonic plate movement
History of volcanic eruptions
History of meteorite impacts
History of Earth's climate over time
Which process is responsible for the formation of the Himalayan mountain range?
Divergent boundary movement
Convergent boundary movement
Transform boundary movement
Volcanic activity
What is the primary method used to determine the age of fossils?
Carbon dating
Potassium-argon dating
Radiometric dating
Thermoluminescence dating
What do mud cracks and ripple marks in sedimentary rock provide evidence of?
Evidence of ancient climate and environment
Evidence of glacial movement
Evidence of volcanic activity
Evidence of meteorite impacts
What do regular layers in ice cores, called bands, show?
Band size shows the amount of precipitation over time
Band size shows the amount of volcanic ash in the atmosphere
Band size shows the amount of tectonic plate movement over time
Band size shows the amount of meteorite impacts over time
If no elevation values are given on a map, which general rule could be used to establish that a river flows into a nearby body of water?
rivers always flow toward large bodies of water
a large body of water is generally the source of water for a river
rivers shown on maps generally flow southward
contour lines bend upstream when crossing a river
What is the contour interval on this map?
10
50
100
500
If sea level always equals (0), and the contour interval is 10 feet how tall is this mountain?
30 ft
40 ft
50 ft
60 ft
Which side of the hill is steepest?
ASSUME: North is top, South is bottom, West is left, & East is right
North side
South side
West side
East side
Match the topographic map to its topographic profile picture.
How many individual peaks are seen on the map? (hill tops)
4
3
2
1
What are the darker lines on the topographic map called?
roads
index contours
contour intervals
isotherms
If we were in a plane above this map, we can see that Path B --> C is about the same distance as path E --> N. But, which path is the easier walk?
B --> C is the easier walk
E --> N is the easier walk
B --> C and E --> N are the same walking distance
the are of equal difficulty
The height above sea level is called . . .
topographic
contour
elevation
depth

Which rule could be used to determine the direction of river flow on a map?
The river flows into the V shape.
A large body of water is generally the source of water for a river
Rivers shown on maps generally flow southward
The river flows out of the V shape.
What direction is Hammer Stream flowing?
Northwest
Southwest
Northeast
Southeast
Which side of the hill is steepest?
North
South
West
East

In which direction is Deer River flowing?

Which part of the map has the highest elevation?
Northwest
Northeast
Southwest
Southeast

What is the gradient between points B and D if the distance between those two points is 2 km?
25 m/km
50 m/km
75 m/km
100 m/km
Match the topographic map to its profile.
How can we tell the northeast corner of the map is relatively flat?
There are many contour lines in this area
There is a river in this area
The contour line labeled 300 m
There are very few contour lines
What is the highest possible elevation of Rock Mountain?
1599 ft
1600 ft
1601 ft
1699 ft
What is the gradient if the stream begins at an elevation of 2000 m and ends at 1000 km over a distance of 50 km?
5 m/km
10 m/km
15 m/km
20 m/km
A small elevated landform that rises from the great depths of the ocean
Seamount
Ocean Floor
Abyssal Hill
Guyot
A large submerged volcanic mountain rising from the ocean floor
Seamount
Ocean Floor
Abyssal Hill
Guyot
A submerged volcanic mountain with a flat top
Seamount
Ocean Floor
Abyssal Hill
Guyot
Long narrow, steep-sided depressions found on the ocean floor
Ocean floor
Ocean trench
Continental rise
Continental slope
A shallow, gently sloping part of the continental crust
Seamount
Continental rise
Continental shelf
Continental slope
A seafloor mountain system formed by plate tectonics.
Ocean trenches
Continental rise
Continental Shelf
Mid-ocean ridges
Formed by emerging accumulated deposits at the mounts of many submarine canyons
Ocean trenches
Continental rise
Continental Shelf
Mid-ocean ridges
Sonar is the most accurate way used to map
the ocean floor
sea level
the moons of Jupiter
the Grand Canyon
This sediment consists of shells and skeletons of marine organisms.
biogenous
hydrogenous
lithogenous
terrigenous
Moving crustal plates plunging back into Earth's mantle causes this feature
deep-ocean trench
turbidity currents
continental rise
submarine canyon
A characteristic of hydrothermal vents is that
there isn't any sunlight there
no life exists there
it is made up of only salt water
it is hydrogenous
Large reservoirs of petroleum and natural gas can be found here
continental shelves
mid-ocean trenches
abyssal plains
coastal plains
These plains are the most level places on Earth.
abyssal plains
coastal plains
continental plains
ocean plains
What is the downslope movements of dense, sediment-laden water
turbidity currents
shelf currents
mid-ocean ridges
atolls
Which condition is NOT needed for growth of coral
cold water
clear water
warm water
sunlight
What factors influence a region's photosynthetic productivity?
I. availability of nutrients
II. amount of solar radiation
III. distance from the shore
I &II
I & III
II & III
I, II, & III
What do you call each of the feeding stages in a food chain?
trophic level
morphic level
transverse level
converse level
What classification of the marine organism is capable of moving independently of the ocean currents?
I. Plankton
II. Nekton
III. Benthos
I
II
III
I, II & III
Decreasing ocean temperature causes the density of the water to __.
Decrease
Increase
Stay the same
Not affected at all
What do you call the proportion of dissolved salts to pure water?
Salinity
Temperature
Density
Viscosity
MOST sealife lives in the:
Photic zone
Twilight zone
Midnight zone
Deep zone
If there is an increase in precipitation over an ocean, how is the salinity of the seawater affected?
It stays the same.
It increases.
It decreases.
There is no relationship between salinity and precipitation.
An excess of_____________ makes water ______________with a pH greater than 7.
-OH, basic
basic, -OH
H+, acidic
acidic, H+
As water goes from 4°C toward its freezing point (cooling down), the molecules of water____________energy
gain
lose
As water goes from 4°C toward its freezing point, the molecules of water lose energy, but, rather than
_______________ , they actually start to
_______________
.
contract, expand
gain, expand
contract, gain
In a water molecule, the hydrogen atoms are slightly
positive
negative
In a water molecule,oxygen atom is slightly _________ charged
positive
negative
Water has a high heat capacity. What does this mean?
It means that, with the addition of heat energy, water will boil once it reaches a temperature of 100°C
It means that water will freeze, changing phase from a liquid to a solid, upon reaching a temperature of 0°C.
It means that water is able to absorb a significant amount of heat without a drastic increase in temperature
It means that water will rapidly increase in temperature with the addition of heat energy
The ability of water molecules to "stick” together is known as
cohesion
adhesion
capillary action
while the ability of water to "stick" to everything else is known as
cohesion
adhesion
Which of the following is the CORRECT list of water's properties?
Read Carefully!
adhesion, cohesion, high specific heat, universal solvent
adhesion, cohesion, low specific heat, universal solvent
adhesion, no cohesion, low specific heat, universal solute
no adhesion, cohesion, high specific heat, universal solute
What is a structure built parallel to the shore that shields the coast from breaking waves?
rio
tombolo
seawall
groin
What causes density currents to form in the Mediterranean Sea?
upwelling
evaporation
condensation
transpiration
Longshore currents move the sediment as they
run along the ocean bottom
move parallel to the shore
flow in circular patterns in ocean basins
pound against coastal headlands
Which of the following is NOT a depositional shoreline feature?
wave-cut platform
tombolo
barrier island
spit
Barrier islands form as the direct result of
abrasion
deposition
precipitation
erosion
How does refraction cause wave crests to move when the waves approach the shore?
about 80 degrees in relation to the shore
nearly parallel to the shore
about 45 degrees in relation to the shore
towards El Monte, California
The rising of the cold water from deep layers of the ocean to replace warmer surface water is
welling
downwelling
side welling
upwelling
The Gulf Stream and North Atlantic Current bring _________________ water north from the tropics and help moderate the climate of Great Britain and northwestern ___________________.
cold, California
horchata, Sinaloa
hot, Asia
warm, Europe
The tops of waves are their __________________, which are separated by low areas called _____________________.
wavelengths, gyres
toughs, roughs
crests, troughs
Crest, Colgate
The tidal ______ is the difference in height between successive high and low tides
range
height
wave
shore
A(n) _________ is a ridge of sand that connects an island to the mainland or another island
tombolo
groin
neap
crests
Beach _______ is the addition of large amounts of sand to a beach system to stabilize shoreline sands without building protective structures.
atmosphere
upwelling
nourishment
turbulence
A(n) _______ is a structure built at right angles to the shore to trap sand moving parallel to the shore to maintain beaches
current
neap
crest
groin
As a wave nears the shore, its characteristics begin to change when the water depth is half of its ______
current
wavelength
shore
wave
