Worksheetsoceano test 1
Total questions: 177
Worksheet time: 2hrs 32mins
True or False:
There's going to be 3 exams this semester
true
false
True or False:
There will be several pop quizzes
true
false
True or False:
Lectures can be viewed at anytime after the lecture, but it is encouraged to attend the classes in person or via Zoom
true
false
What will grades be based on?
numerous pop quizzes during lectures
3 1-hour exams
completing a research project
8 hw assignments
assessments available after each lecture
What are the best practices for this class?
stay current with assessments and assignments
develop a rapport with the professors,TA's, and preceptors
take notes while watching lectures
What is this class's policy regarding academic integrity?
studying with other students isn't allowed
it's fine to study with others, but assessments must be completed on your own
students are encouraged to work together on lecture assessments
What's the best way to seek assistance in this class?
call the professors
email the professors
What isn't 1 of the 5 ocean basins?
African
Antarctic
Pacific
Southern
Indian
When did Pangea exist?
200 billion years ago
200 million years ago
200 thousand years ago
200 years ago
Which of these can be caused by plate tectonics?
earthquakes
volcanoes
corona virus
tsunami
hurricanes
What happened in Tonga recently?
a volcanic eruption
lots of snowfall because of an arctic blast
a major hurricane
Is Tonga located along the "Ring of Fire"?
yes
no
What did the event in Tonga cause?
tsunami wave that came ashore all along the Pacific
a major earthquake
lot of ash that was blown into the atmosphere
a sonic boom that was heard in Alaska
What is Tonga located along?
transform fault
subduction zone (convergent plate boundary)
spreading center (divergent plate boundary)
What are the 2 main elements in the Earth's core?
oxygen (O)
iron (Fe)
nickel (Ni)
magnesium (Mg)
silicon (Si)
What are the 2 main elements in the Earth's crust?
iron (Fe)
magnesium (Mg)
oxygen (O)
nickel (Ni)
silicon (Si)
What's the best definition of "lithosphere"?
the core's solid outer layer
the Earth's solid outer layer
the mantle's mushy layer
Which is true?
continental crust is denser than oceanic crust
continental crust consists mainly of granite
oceanic crust consists mainly of granite
oceanic crust is thicker than continental crust
What is the plate boundary that separates Africa and South America?
subduction zone
spreading center
transform fault
What is the subject of this semester's project?
energy from the ocean
Just Say No (to disposable plastic bottles)
climate change
seafood sustainability
What are the main elements in the Earth's mantle?
silicon (Si)
magnesium (Mg)
nickel (Ni)
kryptonite (K)
iron (Fe)
Where are most spreading centers?
within ocean basins
along the edges of ocean basins
within continents
True or False:
The Atlantic Ocean has been getting smaller as South America moves away from Africa
true
false
How old is the oldest oceanic crust in the Atlantic Ocean?
50 million years old
100 million years old
150 million years old
200 million years old
What is the best place to study an ocean basin that is just starting to form?
western South America
Australia
eastern Africa
Iceland
What is Hawaii a great example of?
hot spot
subduction zone
spreading center
transform fault
True or False:
The recent eruption in Tonga happened along a spreading center
true
false
How old is the youngest oceanic crust in the Indian Ocean basin?
150 my
100 my
50 my
0 my
Why do plates move?
gravitational pull from the moon
lots of heat from the Earth's interior
lots of heat from the Sun
What is a plate (as in plate tectonics)?
the asthenosphere
the crust and upper part of the mantle
the Earth's mantle
the Earth's crust
What is the most common type of rock in a continent?
limestone
shale
granite
basalt
When did South America start to pull away from Africa?
about 60 my
about 90 my
about 120 my
about 150 my
What is Hawaii located on?
a hot spot
a subduction zone
a spreading center
What does the "Ring of Fire" refer to?
volcanoes around the Pacific Ocean
hurricanes around the Indian Ocean
tsunami around the Southern Ocean
earthquakes around the Atlantic Ocean
Where are volcanoes not common?
on hot spots
in the middle of each continent
on the continental shelf of each continent
along subduction zones
where continents are separating
What isn't a property of shield volcanoes?
occur mainly on the ocean floor
occur mainly on continents
consist mainly of andesite
are pretty explosive
are not very explosive
Which volcano in Oregon and Washington is most likely to erupt?
Jefferson
Baker
Hood
St. Helens
Which volcano in Oregon and Washington is least likely to erupt?
Jefferson
St. Helens
Rainier
3 Sisters
What are the correct properties of strato volcanoes?
occur mainly on the ocean floor
are explosive
are not very explosive
consist mainly of basalt
Which ocean basin is the "Ring of Fire" located around?
Atlantic
Indian
Pacific
Southern
Arctic
Why are there volcanoes in Eastern Africa?
spreading center
hot spot
continent rifting apart
subduction zone
Why are there volcanoes in Hawaii?
subduction zone
hot spot
continent rifting apart
spreading center
What happens in subduction zones?
oceanic crust is subducted below continental crust
oceanic crust is subducted below oceanic crust
continental crust is subducted below oceanic crust
continental crust is subducted below continental crust
What happens in a transform fault?
2 plates move away from each other
2 plates move toward each other
2 plates slide past each other
True or False:
A magnitude 8 earthquake will cause significant damage and loss of life
true
false
True or False:
It's likely that there will be a magnitude 8 earthquake in California during our lifetime
true
false
What do most earthquakes occur along?
spreading centers
hot spots
transform faults
subduction zones
What type of volcano is the safest to live near?
Caldera
Heckifino
Strato
Shield
What type of rock forms from lava coming out of a volcano?
granite
andesite
basalt
True or False:
There will be 8 hw assignments this semester, each worth 10 points
true
false
True or False:
Shield volcanoes are the most dangerous and hazardous type of volcano
true
false
True or False:
The likelihood of a volcanic eruption can be evaluated by looking at frequency of past eruptions
true
false
What do the trenches on the ocean floor occur along?
spreading centers
transform faults
hot spots
subduction zones
What mainly generates earthquakes?
volcanic eruptions
motion on faults along plate boundaries
changes in the atmosphere due to global warming
changes in the ocean due to global warming
What creates mountains?
motion along transform faults
hot spots
continents pulling apart
volcanoes along a subduction zone
colliding continents
True or False:
Rocks can be broken down into sediment by the freeze/thaw of water
true
false
True or False:
Rocks can be broken down into sediment by the growth of ice crystals
true
false
True or False:
Rocks can be dissolved
true
false
What happens on transform faults?
2 oceanic plates separate from each other
oceanic crust is transformed into continental crust
2 plates move past each other
an oceanic plate is subducted below continental plate
What kind of volcano are most of the Cascade volcanoes?
strato
shield
caldera
How likely is it that the United States will have a large earthquake during our lifetime?
guaranteed
pretty likely
pretty unlikely
not happening
How likely is it that the United States will have a significant volcanic eruption during our lifetime?
guaranteed
pretty likely
pretty unlikely
not happening
When did Pangea exist?
200 billion years ago
200 million years ago
200 thousand years ago
200 years ago
What type of rock are caves generally developed in due to it being able to dissolve?
iforgetite
andesite
limestone
granite
basalt
What is the largest river in North America?
Colorado
Rio Grande
Mississippi
Missouri
Hudson
Where in a river are boulders and gravel most common?
delta
headwaters
floodplain
True or False:
It's likely that a significant earthquake and volcanic eruption will happen during our lifetime
true
false
What caused the Himalayas to form?
a subduction zone
a transform fault
continents colliding
a spreading center
a hot spot
What caused the Andes Mountains to form?
a subduction zone
continents colliding
a transform fault
a hot spot
a spreading center
What part of a river are boulders and gravel most likely to occur?
floodplain
headwaters
delta
Where's the Amazon River?
North America
Europe
Asia
Africa
South America
Which are important for transporting sediment?
wind
glaciers
rivers
Which of these are true when it comes to diatoms?
they are microscopic
they float near the ocean surface
they are plants with skeletons made of quartz
they are the most abundant organism on Earth
True or False:
A lot of the ocean floor is blanketed by skeletons of diatoms and coccoliths
true
false
True or False:
A lot of the ocean floor is blanketed by fine clay (or mud) that's carried from deserts via wind
true
false
Which are true about oil resources?
North America has the most oil reserves
a lot of the energy in the United States comes from non-renewable sources (e.g. petroleum,natural gas,coal)
the Middle East has a lot of oil because it was located near the Tethys Sea 200 million years ago
Which ways are mountains created?
hot spots
continents colliding
transform faults
subduction zone volcanoes
continents breaking apart
In what part of a river are most rocks broken down into sediment?
headwaters
floodplain
delta
True or False:
Rivers are the only way that sediment is transported to oceans
true
false
True or False:
Turbidite forms in the headwaters of rivers and consists of boulders and gravel
true
false
True or False:
Sediment on some areas of the deep ocean floor comes from deserts and is carried by the wind
true
false
True or False:
Sediments on some areas of the deep ocean floor comes from the skeletons of diatoms and coccoliths
true
false
Where does chlorine in seawater mainly come from?
volcanic activity
breakdown of mica
breakdown of feldspar
breakdown of quartz
Where does calcium is seawater mainly come from?
breakdown of mica
breakdown of quartz
volcanic activity
breakdown of feldspar
Where does iron in seawater mainly come from?
breakdown of mica
breakdown of quartz
breakdown of feldspar
volcanic activity
Seawater is salty because it has a lot of what?
Na+Cl
Na+Ca
Fe+Mg
Si+O
What type of plate boundary is "a"?
spreading center
subduction zone
transform fault
What plate is "a" on?
Antarctic
Nazca
Pacific
North American
Atlantic
What is the water depth of "a" (in trench)?
8 km
4 km
2 km
100 m
Which one is the Pacific-Nazca spreading center?
a
b
c
d
e
Which is the oldest crust in the Atlantic?
a
b
c
d
e
What do most of the red dots represent?
strato volcanoes
shield volcanoes
heckifinoes
How hazardous are these volcano's eruptions?
very
moderately
not very
Which way is South America moving, relative to Africa?
north
south
east
west
What part of a river is "b"?
headwaters
floodplain
delta
What rock is produced at this type of volcano?
andesite
basalt
limestone
turbidite
How likely is it for a volcano like this to erupt during our lifetime?
very
unlikely
definitely
How likely is it that one of these volcanoes will erupt during our lifetime?
likely
not likely
will happen for sure
What was Mt. Rainier caused by?
continent collision
subduction zone
continent pulling apart
hot spot
What caused the mountain range at "a"?
continent collision
subduction zone
continent pulling apart
hot spot
What part of the Mississippi River is "a"?
headwaters
floodplain
delta
Which ocean is forming at the star?
Pacific
Indian
Southern
Atlantic
What is the type of sediment is here?
mud
turbidite
sand
boulders and gravel
What type of sediment can you find at the star?
sand and mud
boulders and gravel
skeletons
Rocks break apart because water does what?
freezes and thaws
evaporates
Which letter is the Congo River's floodplain?
a
b
c
d
e
What do most earthquakes form along?
spreading centers
transform faults
subduction zones
What is the main agent of transporting sediment in Greenland?
glaciers
rivers
wind
What is sand mostly?
quartz
mica
calcite
feldspar
What do coral reefs live in?
dark zone
twilight zone
photic zone
What does feldspar contain a lot of?
sodium
iron
magnesium
kryptonite
What is sediment in the red areas mainly transported by?
wind
glaciers
rivers
Seawater tastes salty is mainly because of what?
Ca
Fe
Si
Na
Mg
What is true about diatoms?
carried by the wind
very abundant
carried in rivers
not very abundant
What element in seawater comes from volcanoes?
potassium
silicon
chlorine
iron
What origins does this show?
carbon dioxide
shield volcanoes
the Earth's core
What is true about fish?
they generate oxygen
they consume oxygen
they consume carbon dioxide
What warms the oceans?
heat from the Earth's interior
convection cells
the Sun
What type of plate boundary is "b"?
spreading center
subduction zone
transform fault
What plate is "b" on?
Antarctic
Nazca
Pacific
North American
Atlantic
What is the water depth at "b" (on spreading center)?
8 km
4 km
2 km
100 m
Which is the fastest growing plate?
a
b
c
d
e
Which is the oldest plate on the Nazca plate?
a
b
c
d
e
What kind of volcanoes are most of the ones on spreading centers?
strato
shield
heckifinoes
What is Hawaii made mostly of?
granite
limestone
basalt
andesite
turbidite
Where's the big pile of turbidite?
a
b
c
d
e
What is the most hazardous aspect of an eruption?
pyroclastic flow
lava flow
ash
bombs
How explosive is this kind of eruption?
not very
very
moderately
What is the safest volcano to live near?
Glacier Peak
Rainier
St. Helens
Adams
What is the plate boundary near Seattle,Washington?
transform fault
subduction zone
spreading center
What caused the mountain range at "b"?
continent collision
subduction zone
continent pulling apart
hot spot
What part of the Mississippi River is "b"?
headwaters
floodplain
delta
When did Earth look like this?
200 thousand years ago
200 million years ago
200 billion years ago
What part of the river is this?
headwaters
floodplain
delta
How often would a house at the star be flooded?
every month
every year
every 10 years
What kind of a rock is at the top of a mountain?
turbidite
granite
limestone
andesite
Where's the Mississippi River's floodplain?
a
b
c
d
e
What does the Ring of Fire have a lot of?
volcanoes
earthquakes
both
What ocean does sediment from Greenland end up in?
Atlantic
Pacific
Indian
Southern
What are the main elements in beach sand?
O+Si
O+Si+Fe+Mg
O+Si+Ca+Na+K
What is the main mineral in a coral reef?
quartz
mica
feldspar
calcite
What would this rock be common in?
oceanic crust
continental crust
shield volcano
Which ocean has the most sediment?
Indian
Pacific
Southern
Atlantic
What is the source of mud (yellow areas)?
mountains
deserts
floodplain
headwaters
Where does salinity mainly come from?
breakdown of minerals
volcanoes
both
What element in seawater comes from volcanoes?
Na
Fe
Ca
Cl
Mg
What origin does this show?
continental crust
oceanic crust
water in the oceans
What do plants need to take in?
oxygen
carbon dioxide
Where does the map show temperature?
in the atmosphere
at the ocean surface
on the ocean floor
What is the water depth of "c"?
8 km
4 km
2 km
100 m
Which is the slowest spreading?
a
b
c
d
e
Is oceanic crust forming at "a"?
yes
no
What are most volcanoes shown along?
spreading centers
subduction zones
transform faults
What is this island?
a strato volcano
a shield volcano
caldera
When did North America separate from Africa?
180 years ago
180,000 years ago
180,000,000 years ago
What is the water depth of "d"?
8 km
4 km
2 km
100 m
What type of plate boundary is causing this?
transform fault
subduction zone
spreading center
What is true about this kind of eruption?
is rare
is common
is very hazardous
is very explosive
What is the least active volcano?
Jefferson
Rainier
St. Helens
Baker
Adams
What type of volcano is near Seattle,Washington?
strato
caldera
shield
What caused the mountain range at "c"?
continent collision
subduction zone
continent pulling apart
hot spot
What part of the Mississippi is at "d"?
headwaters
floodplain
delta
What ocean is being formed at the star?
Pacific
Arctic
Indian
Atlantic
What mineral is not in these rocks?
quartz
clay
mica
feldspar
What part of the river is this?
headwaters
floodplain
delta
What is the main process of breaking apart rocks seen here?
freeze and thaw
growth of salt crystals
Which is the delta of the Ganges River?
a
b
c
d
e
What do the red dots represent?
shallow earthquakes
strato volcanoes
deep earthquakes
What is the sediment at the star mainly transported by?
rivers
glaciers
wind
What are skeletons made of?
calcite
clay
quartz
feldspar
What mineral makes up most sand?
quartz
mica
feldspar
What does the sediment in the dark blue area consist mainly of?
mud
limestone
boulders and gravel
What are the elements that are common in ocean water?
quartz and clay
iron and silicon
sodium and chlorine
What is mud mainly transported by?
glaciers
the wind
rivers
pyroclastic flows
What are comets important sources of?
chlorine in seawater
water in the oceans
Fe in mica
What does sea grass generate a lot of?
carbon dioxide
oxygen
chlorine
What ocean has the warmest water?
Pacific
Indian
Arctic
Southern
Atlantic
