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L7 The Formation of the Ocean Flashcards | StudBud
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L7 The Formation of the Ocean
Which crust is more dense?
What element is Fe?
L7 The Formation of the Ocean
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Review for Lesson 7 Test
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What element is Fe?
iron
manganese
zinc
copper
2
Which crust is more dense?
continental crust
oceanic crust
3
What type of organism converts chemicals into food (glucose)?
bacteria
virus
phytoplankton
zooplankton
4
What seafloor feature is formed when one plate plunges under another plate?
trench
underwater mountain
tsunami
rift
5
Which layer of Earth is solid and mostly Fe?
crust
outer core
mantle
inner core
6
Pieces of Earth's crust are called
convection
Plate Tectonics
tectonic plates
subduction
7
What feature on the seafloor was discovered first?
trenches
hydrothermal vents
8
What does CH
4
stand for?
methane
hydrogen sulfide
calcium carbonate
carbonate
9
What is the formula for hydrogen sulfide?
H2
CO2
CH4
H2S
10
Wegener thought
continents are the same layer as the ocean floor.
continents and the ocean floor are two different layers.
11
A process in which organisms convert chemicals into food (glucose).
hydrothermal vents
photosynthesis
black smokers
chemosynthesis
12
Evidence Wegener used to support his Theory of Continental Drift was
all of the options
land bridge between continents
shapes of continents fit together
common fossils
13
Another name for a hydrothermal vent is.....
gyser
thermogyser
a black smoker
an underwater volcano
14
What was formed after the formation of the moon?
the Sun
the Earth
a proto-planet
the ocean
15
What is the symbol for magnesium?
Ma
Mo
Mg
Mn
16
What is the name of the fault boundary when plates pull apart?
subduction boundary
transform boundary
divergent boundary
convergent boundary
17
What seafloor feature was the first discovered using SONAR?
Mariana Trench
trenches
Mid-Atlantic Ridge
Great Global Rift
18
Plate tectonics
are made up of both oceanic and continental crust.
are a portion of Earth's mantle.
is the theory of how tectonic plates shift.
are the pieces of Earth's crust.
19
What deep sea feature allows for minerals and gases to create the ocean's deep sea chemistry?
a mid-ocean ridge
a trench
chemosynthesis
a hydrothermal vent
20
Which layer of Earth is liquid?
outer core
inner core
mantle
crust
21
What seafloor feature is created at some convergent fault boundaries?
none of the above
a rift
a volcano
a trench
22
What geographic feature on the seafloor was discovered to demonstrate seafloor spreading?
continental shelf
Mariana Trench
Mid-Ocean Ridge
Great Global Rift
23
Tsunamis are
normal waves
very large waves
high energy waves
Chinese noodles
24
What process of heat transfer is responsible for the movement of tectonic plates?
conduction
evaporation
heat capacity
convection
25
What process takes place on the sea floor at divergent fault boundaries?
creation of tsunamis
creation of trenches
subduction
sea-floor spreading
26
What is the name of the fault boundary when plates move towards each other?
transform boundary
no movement occurs
convergent boundary
divergent boundary
27
Ocean chemistry in the deep sea is due to.....
hydrothermal vents
both
black smokers
28
Which fault boundary causes earthquakes?
transform boundary
all of the boundary
divergent boundary
convergent boundary
29
What does DART stand for?
Deep Assessment of Tsunami Reporting
Deep-ocean Assessment & Reporting of Tsunamis
Deep Atlantic Reporting for Trenches
Deep Assessment & Reporting of Tsunamis
30
What is one main cause of earthquakes?
movement of oceans
shifting of tectonic plates
waves
tsunamis
