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Worksheets8th Grade - Chapter 15 - 5th Edition
Total questions: 43
Worksheet time: 14mins
Name
Class
Date
1.
Which of the following would an oceanographer likely not be employed to do?
a)
to study the changing patterns of ocean currents
b)
to design a recreational car that can go both on roads and in the water
c)
to design a deep sea vehicle to explore a mid-ocean ridge for many days at a time
d)
to investigate the animals living near black smokers located along a mid-ocean ridge
2.
The oldest known remains are of a boat that was likely built
a)
around AD 2
b)
around 0 BC
c)
some years after the Flood
d)
long before the Flood
3.
According to your textbook, what was a significant motivator for the Age of Exploration?
a)
crowded conditions on land
b)
military expansion
c)
trade and accumulation of wealth
d)
all of these
4.
Which of the following types of data would best be collected by a wide-area sampling method?
a)
the water temperature at five depths between the surface and bottom
b)
the sea surface temperature of the entire Atlantic Ocean
c)
a sediment core from the English Channel
d)
the wave height at the entrance to New York Harbor
5.
A sounding will reveal the ___ of a body of water.
a)
depth
b)
motion
c)
salinity
d)
temperature
6.
Water clarity can be measured at night using
a)
a Secchi disk
b)
a photocell
c)
either A or B
d)
neither A nor B
7.
Which sampling device could best provide a history of sediment deposition at a given location in the ocean?
a)
a grab sampler
b)
a sediment corer
c)
a bottom profiling sonar device
d)
a satellite radar
8.
The best device for determining the shape of a seamount would be a
a)
grab sampler
b)
sediment corer
c)
bottom profiling sonar device
d)
satellite radar
9.
Which of the following has been measured using satellite technology?
a)
sea temperature profiles
b)
sea surface salinity
c)
both A and B
d)
neither A nor B
10.
The greatest challenge to deep-sea diving is
a)
providing sufficient air to breathe
b)
keeping warm
c)
protecting from predatory marine life
d)
withstanding immense pressures
11.
The one hazard of deep diving that cannot be corrected by a special mixture of gases is ___
a)
nitrogen narcosis
b)
oxygen poisoning
c)
decompression sickness
d)
lack of oxygen
12.
If divers enter and exit an underwater habitat through a “moon pool,” which of the following describes the air pressure in the habitat?
a)
Air pressure is equal to the outside water pressure
b)
Air pressure is lower than the outside water pressure
c)
Air pressure is greater than the outside water pressure
d)
It is impossible to know on the basis of this information alone
13.
Beebe and Barton constructed and crewed the Bathysphere
a)
to develop deep-sea submersible technology
b)
because no one else had done it before
c)
to observe living deep-sea organisms in their natural habitat
d)
to determine at what depth the ocean absorbed all the light from the sun
14.
Which of the following was the first vessel to descend into Challenger Deep, the deepest point known in the oceans?
a)
the first bathyscaphe
b)
Bathysphere
c)
Trieste
d)
None of these ever went this deep
15.
Which of the following types of vessels can cover the most territory in a given amount of time?
a)
AUVs
b)
DSVs
c)
HMSs
d)
ROVs
16.
A greater amount of life is found in the earth’s oceans than is found on land.
a)
true
b)
false
17.
Very little ocean exploration probably happened before the Age of Exploration.
a)
true
b)
false
18.
The HMS Challenger expedition covered three oceans and lasted four years.
a)
true
b)
false
19.
Nansen bottles collect more data more quickly than Niskin bottles do.
a)
true
b)
false
20.
Photocells are more accurate and more widely used than Secchi disks today.
a)
true
b)
false
21.
Satellite radars can detect only large changes in sea level.
a)
true
b)
false
22.
Modern underwater habitats are simple in design and easy to use.
a)
true
b)
false
23.
A bathyscaphe works on principles that are similar to those of a hot air balloon.
a)
true
b)
false
24.
Due to the dangers involved, no one would ever consider diving to Challenger Deep alone.
a)
true
b)
false
25.
UUVs were developed to balance the desire to explore the ocean with the need to protect human life from the hazards of deep sea exploration.
a)
true
b)
false
26.
collects water at various depths
a)
Niskin bottle
b)
Secchi disk
c)
sediment corer
d)
buoy
e)
scuba
27.
measures water clarity
a)
Secchi disk
b)
sediment corer
c)
buoy
d)
scuba
e)
diving bell
28.
collects layers of sediment from the ocean floor
a)
sediment corer
b)
buoy
c)
scuba
d)
diving bell
e)
Niskin bottle
29.
collects and transmits a variety of weather and sea data
a)
buoy
b)
scuba
c)
diving bell
d)
Niskin bottle
e)
Secchi disk
30.
allowed divers to carry their own air supply
a)
scuba
b)
diving bell
c)
Niskin bottle
d)
Secchi disk
e)
sediment corer
31.
air-filled structure, lowered from a ship and from which divers could explore the oceans
a)
diving bell
b)
Niskin bottle
c)
Secchi disk
d)
sediment corer
e)
buoy
32.
Oceanographers often face bad ____ as they work on the oceans.
a)
seas
b)
Artificial
c)
ROV's
d)
the Trieste
e)
mon pools
33.
As people explored the oceans and lands, they developed more accurate ___.
a)
maps
b)
seas
c)
Artificial
d)
ROV's
e)
the Trieste
34.
The HMS Challenger expedition was the first-ever ocean voyage intended to study the ocean for ___ purposes.
a)
scientific
b)
maps
c)
seas
d)
Artificial
e)
ROV's
35.
Nansen bottles were designed both to take a seawater ___ and record the water temperatrue when the bottles flipped, shutting the isolation valves.
a)
sample
b)
scientific
c)
maps
d)
seas
e)
Artificial
36.
Small pelagic organisms can be sampled from a moving ship using a(n) ___.
a)
plankton net
b)
sample
c)
scientific
d)
maps
e)
seas
37.
Samples of small benthic organisms and uppermost sediments on the ocean bottom can be obtained with a(n) ___.
a)
grab sampler
b)
plankton net
c)
sample
d)
scientific
e)
maps
38.
The use of lead lines to determine water depth was eventually replaced by ____ technology.
a)
sonar
b)
grab sampler
c)
plankton net
d)
sample
e)
scientific
39.
The earliest known diving technology involved the use of ___.
a)
diving bells
b)
sonar
c)
grab sampler
d)
plankton net
e)
sample
40.
A feature of an underwater habitat that allows direct access to and from the sea without decompression is called a(n) ___.
a)
mon pools
b)
diving bells
c)
sonar
d)
grab sampler
e)
plankton net
41.
The first manned submersible to reach the deepest point in the ocean was the US Navy bathyscaphe named ___.
a)
the Trieste
b)
mon pools
c)
diving bells
d)
sonar
e)
grab sampler
42.
Tethered submersibles used for underwater monitoring are called ___.
a)
ROV's
b)
the Trieste
c)
mon pools
d)
diving bells
e)
sonar
43.
Autonomous undersea vehicles rely on ___ intelligence to guide them during their data collection missions.
a)
Artificial
b)
ROV's
c)
the Trieste
d)
mon pools
e)
diving bells
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