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WorksheetsMarine Science I- Chapter 2 Quiz
Total questions: 30
Worksheet time: 25mins
What percentage of Earth's surface is covered by oceans?
71%
80%
60%
50%
Which ocean basin is the largest?
Atlantic
Indian
Arctic
Pacific
What type of rock primarily makes up the oceanic crust?
Limestone
Sandstone
Basalt
Granite
Who proposed the first detailed hypothesis of continental drift?
Alfred Wegener
Marie Tharp
Isaac Newton
Sir Francis Bacon
What is the name of the continuous chain of submarine volcanic mountains discovered by SONAR surveys?
Mid-Ocean Ridge System
Mid-Atlantic Ridge
Himalayas
Andes
What is the process called when new oceanic crust is formed at mid-ocean ridges?
Sedimentation
Seafloor spreading
Erosion
Subduction
What is the term for the downward movement of a plate into the mantle?
Convection
Spreading
Rifting
Subduction
What type of sediment is derived from the physical and chemical breakdown of rocks?
Biogenous sediment
Cosmogenous sediment
Lithogenous sediment
Hydrogenous sediment
What is the name of the shallowest part of the continental margin?
Continental shelf
Continental rise
Continental slope
Abyssal plain
What are the chimney-like structures that form around hydrothermal vents called?
Black smokers
White smokers
Fumaroles
Geysers
What is the name of the process where the Earth's magnetic field reverses direction?
Magnetic anomaly
Magnetic reversal
Magnetic inclination
Magnetic declination
What is the term for the rigid layer composed of the crust and the uppermost part of the mantle?
Asthenosphere
Lithosphere
Biosphere
Mesosphere
What is the name of the dense cloud of mineral particles emitted by hydrothermal vents that settle to form a chimney-like structure?
White smoke
Black smokers
Gray smoke
Blue smoke
What is the term for the gently sloping region at the base of the continental slope?
Continental rise
Continental shelf
Abyssal plain
Mid-ocean ridge
What is the name of the process where oceanic crust separates at mid-ocean ridges?
Convection
Subduction
Rifting
Seafloor spreading
Approximately how old is the earth?
2.5 billion
3.5 million
4.5 billion
26 years
Which layer of the Earth is composed mostly of iron?
Crust
Mantle
Outer core
Inner core
What is the name of the deepest part of the world's oceans?
Mariana Trench
Tonga Trench
Java Trench
Puerto Rico Trench
What is the term for the flat, deep-sea floor covered with fine sediment?
Continental shelf
Continental rise
Abyssal plain
Mid-ocean ridge
What is the name of the process where oceanic plates are pulled into the mantle at convergent boundaries?
Subduction
Rifting
Seafloor spreading
Convection
What is the continuous body of water around Antarctica?
northern ocean
Antarctic Ocean
Artic Ocean
Southern Ocean
Who found the evidence that proved the hypothesis of continental drift?
Sir Francis Bacon
Marie Tharp
Alfred Wegener
Mrs. Mann
What technology resulted in the discovery of the Mid-Ocean Ridge System?
SONAR
AUVs
ROVs
the internet
Where is the seafloor the youngest?
trenches
volcanoes
ridges
Subduction zones
True or False: Earthquakes are closely associated with trenches
True
False
True or False: Oceanic crust is denser than Continental crust
True
False
True or False: Lithosphere is subducted at ridges
True
False
True or False: Old lithosphere is destroyed at trenches
True
False
True or False: biogenous sediment is created from rocks
True
False
True or False: Earth is currently in an Interglacial period
true
false
