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Beneath the Sea
 
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Enter correct quizzes in the FRONTIERS T-shirt drawing see below!


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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

 


2.


List three factors Ballard, his crew and the submersibles must contend with at great depths.

 

 

 

 

 
 
3.


What new material allowed engineers to build smaller submersibles by replacing the need for a huge floatation tank?

 

 

 
4.


What did Ballard discover 8,000 feet down on the Galapagos Rift in 1977?

 

 

 
 
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.

 

 
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.

 
 
7.


What search strategy did Ballard use to locate the Titanic and other wrecks?

 

 

 

 
 
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.

 
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.

 
 
10.


What makes up the "marine snow" Alan notices floating down from the surface?

     


NOTE: Quizzes with 100% correct answers can be entered by teachers only into our T-shirt drawing. FRONTIERS randomly selects 20 names after each program. Send all correct quizzes in one envelope, along with teacher's name, grade and course, school name and address, where the students watched the show (home or school), and the students' favorite segment. Mail to: FRONTIERS Quiz, Chedd-Angier Production Company, 70 Coolidge Hill Rd., Watertown, MA 02472.

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