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Charlotte's Stack

Science Chapter 9-Oceans

QuestionAnswer
Which one of the following is NOT part of the continental margin? continental trench
How do calcareous oozes form? The particles are precipitated in warm surface waters and sink to the bottom
Submarine canyons are found on the continental slope and are believed to have been created___ none of these
Chesapeake Bay and Delaware Bay are All of these
Manganese nodules are an example of____ Hydrogenous sediment
When waves reach shallow water they are often bent and tend to become parallel to the shore. This process is termed___ refraction
______develop where oceanic lithosphere bends downward and sinks into the mantle. Deep ocean trenches.
Seamounts________ are volcanoes that form on the ocean floor.
Waves begin to feel bottom when the depth of water is equal to half its wave base.
A poleward-moving ocean current is considered a warm current
Because of the Coriolis effect, surface ocean currents are deflected to the ____of their path of motion in the Northern Hemisphere Right
The ____ocean is the largest. Pacific
The daily tidal range is LEAST during neap tide
The movement of sand parallel to the shore all of these
Which one of the following is a landform created by wave erosion? sea arch
A ridge of sand projecting into a bay and often having a hooked end is a spit
The movement of sand parallel to the shore all of these
The energy that drives surface ocean currents such as the Gulf Stream comes from wind
Because of the Coriolis effect, surface ocean currents are deflectd to the ___of their path of motion in the S. Hemisphere. Left
An echo sounder operated by measuring the time required for a sound pulse travels from a ship to the seafloor and back
Which one of the following structures is built to protect boats from large breaking waves? breakwater
The daily tidal range is GREATEST during spring tide
Large estuaries are more common on a ____coastline. submergent
Which one of the following would you NOT associate with turbidity currents? formation of seamounts
One result of wave refraction is that wave energy is concentrated on headlands projecting into the water
Which of the following is not true of deep ocean trenches they are geologically very stable
Which of the following salts is most abundant in seawater? sodium chloride
Fetch refers to a large expanse of open water over which the wind blows and generates waves
The movement of water within the surf zone that parallels the shore is termed longshore current
Which of the following is designed to prevent or retard shoreline erosion? all of these
The gently sloping submerged surface extending from the shoreline toward the deep ocean is termed the continental shelf
A flat bench-like surface cut in rock along a coast is a wave-cut platform
A sand ridge connecting an island to the mainland or to another island is a tombolo
Which one of the following concerning mid-ocean ridges is false? sediments include thick siliceous ooze deposits and sandy turbidite beds
Which of the following is associated with ocean ridges all of these
The continental rise is located between an abyssal plain and continental slope
Which ocean has the greatest average depth? Pacific
Sediments derived primarily from the products of weathering on the continents are called terrigenous sediment
Turbites and siliceous oozes are both biogenous sediments False
Fetch is none of these
The presence of which one of the following would indicate that the land had been uplifted or that sea level had fallen? Elevated marine terrace
Concerning the distribution of land and water, which of the following is true? The Southern Hemisphere has much more water surface than the Northern Hemisphere
The zigzag movement of sand grains along a beach is both caused by obliquely breaking waves and called beach drift. Both a & b
A sand bar that completely crosses a bay, sealing it off from the open ocean is a none of these
The crests of mid-oceanic ridges contain active rift zones
It is thought that submarine canyons on the continental slope have been generated by turbidity currents
The oceans cover approximately ____percent of Earth's surface. 70
Which one of the following would most likely be covered with thick turbidite layers? Deep sea fan at the base of a continental slope.
Minerals that crystalize directly from seawater are examples of hydrogenous sediment
An isolated remnant of wave erosion is a sea stack
Which of the following is a tidal current? Both flood and ebb tide
The ___ ocean has more extensive abyssal plains than the Pacific ocean because it has fewer trenches to trap sediments moving down the continental slope Atlantic
The continental rise lies at the bottom of the continental slope. True
A sand bar that completely crosses a bay, sealing it off from the open ocean is a ____ none of these
The ____marks the transition between the warm surface layer and the deep zone of cold water in the oceans thermocline
Black smokers are associated with all of these
The continental rise is located between an abyssal plain and continental slope
How can crashing, collapsing, storm waves generate explosive forces and stresses on rocky outcrops and manmade structures? pressurized water and compressed air are driven into cracks and fissures
The height, length, and period of a wave depends upon these all of these
Which of the following is correct regarding a wave in the open ocean? None of these
Erosional retreat of a ____________leads to enlargement and extension of a wave-cut platform in the inland direction. A wave cut cliff
The BEST definition of the outer edge of the continental shelf is that point where __________. a rapid steepening of the gradient occurs
Created by: creed21
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