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1. |
What is the name of the Woods Hole-based submersible
that's made more deep ocean discoveries than any other
submersible?
a)
the Turtle
b) the Alvin
c) the Titanic
d) the Ballard
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2. |
List three factors Ballard, his crew and the submersibles
must contend with at great depths.
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3. |
What new material allowed engineers to build smaller
submersibles by replacing the need for a huge floatation
tank?
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4. |
What did Ballard discover 8,000 feet down on the Galapagos
Rift in 1977?
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5. |
Some of the bacteria around hydrothermal vents are "chemosynthetic."
What do these bacteria use for energy?
a)
The tiny amount of sunlight that reaches them.
b) Particles of food that filter down from the surface.
c) Chemicals produced by the heat of the Earth.
d) All of these.
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6. |
Water at the bottom of the ocean seeps into cracks in
the Earth's crust, where it is heated in magma chambers,
then expelled from hydrothermal vents. The entire volume
of the Earth's oceans is processed this way every ______
years.
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7. |
What search strategy did Ballard use to locate the Titanic
and other wrecks?
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8. |
What did the discovery of shipwrecks from 2- 3,000 years
ago reveal?
a)
That ancient people were better sailors than we once
thought.
b) That the trade routes were different than we once
thought.
c) What their cargo might have been.
d) Why ancient people went to sea.
e) All of these.
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9. |
Bruce Robison uses a remotely operated vehicle equipped
with a camera to explore the Monterey Canyon. This process
is called
a)
Telecommuting.
b) Telemarketing.
c) Television.
d) Telepresence.
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10. |
What makes up the "marine snow" Alan notices floating
down from the surface?
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