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Dynamic Earth unit review
Dynamic Earth unit review
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regents earth science
Flashcards
50 cards
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Practice quiz
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Questions
50
Answers
1
The most recently formed bedrock in the diagram below is found at location
C
D
A
B
2
The San Andreas Fault is an example of a
Convergent Plate Boundary
Mantle Plume Hot Spot
Transform Plate Boundary
Good idea for a movie
3
The Himalaya Mountains are an example of a
Rift Valley
Divergent, Mid-Ocean Ridge
Convergent, Continent-Oceanic Plate Collision
Convergent, Continent-Continent Plate Collision
4
At which location is the ocean crust oldest?
A
D
C
B
5
The P-wave in the diagram bends because:
S-waves interfere with the P-waves.
there are density differences within the Earth
The P-waves can travel through all materials.
The Earth is round
6
Which diagram best represents the relative direction of plate motion at the San Andreas Fault?
2
3
1
4
7
Which statement correctly compares P-waves with S-waves?
P-waves travel faster than S-waves & don't pass thru liquid
P-waves travel faster than S-waves & pass through liquid
P-waves travel slower than S-waves & don't pass thru liquid
P-waves travel slower than S-waves & pass through liquid
8
In 7 minutes, a P-wave travels a total distance of
1,900 km
5,600 km
4,000 km
7,000 km
9
The epicenter of an earthquake is
the spot on earths surface above where the quake occurs
the spot below earths surface where the quake occurs
the location where the S waves are first detected
The location where the teconic plates shift
10
Which type of tectonic boundary is shown by the image below?
convergent
transform
subvergent
divergent
11
Which graph best shows the depths of earthquakes whose epicenters lie between A and B?
4
1
3
2
12
The epicenter of an earthquake is
the spot on Earth's surface above where the quake occurs
the location where the S-waves are first detected
the location where the tectonic plates shift
the spot below Earth's surface where the quake occurs
13
Collisions between oceanic plates and continental plates are thought to result primarily from
volcanic eruptions along coastlines
meteor impacts in the ocean basins
hot liquid magma in the inner core
convection currents in the mantle
14
Which of the following is
NOT
an evidence of Wegener's Theory of Continental Drift
Coal deposits found in Alaska and Siberia
Mountain, rock types and minerals connect across continents
Puzzle like fit of landmasses
All are correct
15
Recent volcanic activity in Hawaii is due to
continental plate collision
melting of rock at a subduction zone
upwelling of magma over a moving hotspot
upwelling of magma over a stationary hotspot
16
An S-wave reaches a seismic station 6000km away at 8:21:00. What time did the quake occur?
8:11:40
8:30:20
8:04:00
8:38:00
17
S-waves are not recorded on the opposite side of the Earth because they. . .
Cannot travel through solids
bend as they travel
Can travel through liquids
Can't travel through liquid outer core
18
Which part of this seismogram is used to find the distance to the epicenter of the earthquake?
difference in the arrival time of the P-waveand S-wave
S-wave arrival time, only
P-wave arrival time, only
differencein the height of the P-wave and S-wave
19
At which plate boundary is one lithospheric plate sliding under another?
Indian-Australian Plate andAntarctic Plate
Nazca Plate and Pacific Plate
Nazca Plate and Antarctic Plate
Pacific Plate and Indian-Australian Plate
20
At which plate boundary type will you find the DEEPEST EARTHQUAKES?
Continent-Continental Convergent
Transform
Continent-Ocean Convergent
Continent-Continent Divergent
21
A quake epicenter is 3600km away. The P-wave arrives at 5:00:00. When does the S-wave arrive?
4:55:00
5:00:30
5:05:30
5:05:00
22
At which plate boundary type will you find the tallest mountains on Earth (the Himalayas)?
Continent-Continental Convergent
Continent-Ocean Convergent
Continent-Continent Transform
Continent-Continent Divergent
23
What is the time difference between P and S-wave arrival if the epicenter is 8000 km away?
9minutes 20 seconds
11minutes 20 seconds
8minutes 40 seconds
20minutes 40 seconds
24
Oceanic crust sinks beneath continental crust at a convergent boundary because
oceanic crust is more massive than continental crust
oceanic crust is denser than continental crust
oceanic crust is less massive than continental crust
oceanic crust is less dense than continental crust
25
Which diagram best represents the bedrock magnetism pattern found on both sides of the Mid-Indian Ridge?
1
3
4
2
26
Which layer of the Earth is liquid?
inner core
crust
mantle
outer core
27
The interior of Earth between a depth of 5200 - 6300 km is composed mostly of
silicon and iron
ironand nickel
ironand lead
siliconand oxygen
28
Which mantle hot spot is located directly below a mid-ocean ridge plate boundary?
Iceland
Yellowstone
CanaryIslands
Hawaii
29
The tsunami reached the Hawaiian Islands at 10:30 p.m., what time did the earthquake occur?
4:30 a.m.
3:30a.m
1:30p.m.
5:30p.m
30
The lithosphere is made up of...
oceanic crust and continental crust
upper mantle and crust
oceanic crust and lower mantle
crust and lower mantle
31
Collisions between oceanic plates and continental plates are thought to result primarily from
meteor impacts in the ocean basins
volcanic eruptions along coastlines
Hot liquid magma in the inner core
convection currents in mantle
32
An epicenter is 6500 km away. If the S-wave arrived at 1:30 pm, what time did the P-wave arrive?
1:20p.m
1:22p.m
1:38p.m
1:40p.m
33
At which location is the temperature of the ocean floor bedrock most likely highest?
B
D
C
A
34
The following features are found at tectonic plate boundaries
volcanoes, mineral deposits, and meteors
earthquakes, volcanoes, and mountains
mountains, earthquakes, and sedimentary rocks
earthquakes, hot spots, and faults
35
The Indian-Australian tectonic plate is moving:
toward the Antarctic Plate
away from the Fiji Plate
toward the Pacific Plate
away from the Philippine Plate
36
Which cross section shows the convection currents in the mantle beneath the Peru-Chile Trench?
4
2
1
3
37
Three pieces of evidence used by Wegener in supporting continental drift are. . .
P , S-Wave data, Magnetic reversals, past glacier locations
Global Warming, Greenhouse effect and Sea level rise
Matching of ocean ages, fossils and present day glaciers
Matching of mountain ranges, fossils and coal deposits
38
Which location is showing a divergent plate boundary?
Mid-Atlantic Ridge
continental-continental collision
middle of the North American plate
transform fault boundary
39
In a convection current the MORE dense molten rock will
sink
nothing will happen
rise
40
What happens to the density and temperature of rock within Earth’s interior as depth increases?
densitydecreases and temperature increases
densitydecreases and temperature decreases
densityincreases and temperature decreases
densityincreases and temperature increases
41
At which plate boundary type are you most likely to find deep ocean trenches?
Ocean-Continental Convergent
Ocean-Ocean Transform
Ocean-Ocean Divergent
Ocean-Ocean Convergent
42
According to these data, most of these earthquakes occurred within Earth’s
lithosphere
stiffermantle
outer core
asthenosphere
43
Pick all the evidence for sea floor spreading
All of the above
Magnetic Stripes
Pillow Shaped Lava Rocks
Rock sample (Age of rocks)
44
Which statement about the Earths crust is best supported by the diagram?
the oceanic crust is thinner than the continental crust
the continental crust is composed mainly of sedimentary rock
the crust is composed of denser rock than the mantle
oceanic crust is thicker than the mantle
45
What is Earth’s interior pressure, in millions of atmospheres, at a depth of 3500 kilometers?
5500
2.8
6500
1.9
46
The X on the map represents what location?
Focus
Epipen
Epicenter
Barycenter
47
Earth's outer core is inferred to be liquid based on the analysis of
radioactive decay rates
seismic waves
crustal rocks
magnetic pole reversals
48
What was the last supercontinent called when they where last connected?
Pangea
Allgea
Panagua
Tmbuktu
49
Which diagram shows the movement of material beneath points X and Y (a diverging boundary)?
4
3
1
2
50
The epicenter of a quake is 5,000 km from a station. What is the difference in P & S travel time?
6 min 40 sec
5 min 20 sec
9 min 10 sec
11 min 15 sec
