Topography Of The Ocean Floor Question Preview (ID: 49852)


Review Of The Topography Of The Ocean Floor. TEACHERS: click here for quick copy question ID numbers.

A gap in the ocean floor that results from two plates pulling apart, generally found in the middle of a mid-ocean ridge
a) trench
b) guyot
c) rift valley
d) continental slope

This is the wide, flat, sediment-covered part of the ocean floor.
a) Mid-ocean ridge
b) Guyot
c) Rift Valley
d) Abyssal Plain

What process(es) recycles the crust of the spreading ocean floor?
a) weathering and erosion
b) uplift and folding
c) volcanism
d) subduction

Mid-ocean ridges form at _____ boundaries.
a) transform
b) convergent
c) divergent
d) subductive

_____ form at subduction zones.
a) mid-ocean ridges
b) trenches
c) abyssal plains
d) guyots

Crust is destroyed at ____.
a) mid-ocean ridges
b) trenches
c) abyssal plains
d) guyots

The older the oceanic crust, the ____ the sediments that sit atop it.
a) thinner
b) thicker
c)
d)

Crust is created at ______.
a) mid-ocean ridges
b) trenches
c) abyssal plains
d) guyots

The seafloor is composed of sediment and
a) hot, flowing lava.
b) conglomerate rock.
c) basaltic rock.
d) alluvial fans.

These are underwater mountains that are volcanic in origin.
a) seamounts
b) rift valleys
c) abyssal plains
d) trenches

This is a seamount that has grown above sea level, then eroded and weathered flat by waves at its top--eventually carried deeper and submerged by plate movement
a) trench
b) volcanic island
c) guyot
d) mid-ocean ridge

This is the gradually sloping area that extends from the shore out to the continental slope.
a) continetnal slope
b) continental shelf
c) abyssal plain
d) shoreline

Where are ocean floor features most likely to occur?
a) along tectonic plate boudaries
b) along continental shelves
c) at the deepest part of the ocean
d) near the coastline

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