WorksheetsChapter 13 & 14
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Which one of the following is NOT part of the continental margin?
a)
continental shelf
b)
continental trench
c)
continental slope
d)
continental rise
2.
Which one of the following would most likely be covered with thick turbidite layers?
a)
deep-sea fan at the base of a continental slope
b)
axial rift zone of an active mid-ocean spreading center
c)
upper part of a steep, narrow, submarine canyon
d)
ocean floor around a conical-shaped seamount
3.
Seamounts ________.
a)
are a special type of oceanic trench
b)
are volcanoes that form on the ocean floor
c)
form only in the Pacific Ocean basin
d)
are submarine canyons found near Australia
4.
Minerals that crystallize directly from seawater are examples of ________.
a)
terrigenous sediment
b)
biogenous sediment
c)
hydrogenous sediment
d)
both terrigenous and biogenous sediment
5.
________ develop where oceanic lithosphere bends downward and sinks into the mantle.
a)
Submarine canyons
b)
Abyssal seamounts
c)
Deep ocean trenches
d)
Rift valleys on mid-ocean ridges
6.
The ________ Ocean is largest.
a)
Atlantic
b)
Pacific
c)
Indian
d)
Arctic
7.
"Black smokers" are associated with ________.
a)
oceanic ridges
b)
mineral-rich waters
c)
hot water
d)
all of these
8.
The crests of mid-oceanic ridges ________.
a)
are heavily mantled with sediment
b)
lie at depths exceeding 6 kilometers
c)
contain active rift zones
d)
are geologically old features
9.
The total amount of solid material dissolved in water is known as ________.
a)
load
b)
salinity
c)
solute
d)
insoluble residue
10.
The proportion of dissolved substances in seawater is expressed as 0/00, which is the same as ________.
a)
parts per hundred
b)
parts per thousand
c)
parts per million
d)
molarity
11.
The dissolved materials in seawater are thought to originate from chemical weathering of rocks on the continents and also from ________.
a)
organisms
b)
evaporation of fresh water
c)
erosion
d)
outgassing of elements from Earth's interior
12.
Thermoclines in the ocean are best developed at ________.
a)
lower latitudes
b)
higher latitudes
c)
both high and low latitudes
d)
regions close to continents
13.
A rapid change in density with depth in the ocean is called the ________.
a)
homocline
b)
thermocline
c)
pycnocline
d)
isocline
14.
Organisms, such as algae and bacteria, that drift with ocean currents are known as ________.
a)
nekton
b)
plankton
c)
benthos organisms
d)
biomass
15.
The upper part of the ocean into which sunlight penetrates is called the ________ zone.
a)
thermal
b)
photic
c)
life
d)
mixing
16.
Productivity in temperate oceans is determined by ________.
a)
latitude
b)
seasons
c)
ocean currents
d)
all of these
17.
What is this?
a)
Oarfish
b)
Mola Mola
c)
Fringed eel
d)
Fake
100 %
