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This quiz consists of 5 multiple choice and 5 short answer questions through Cooling the Lava.

Multiple Choice Questions

1. What is a weir?
(a) Small tugboat.
(b) Large gate.
(c) Large lock.
(d) Small dam.

2. From the time that the U.S. Army Corps takes control of the Atchafalaya, what word does the author associate with the river and the region?
(a) Cooperation.
(b) Collision.
(c) Control.
(d) Confusion.

3. Every thousand years or so, the Mississippi River goes through a major shift that leaves behind what?
(a) Stranded bird colonies.
(b) Large, deep saltwater lakes.
(c) Bayous and natural levees.
(d) Dry mudflats.

4. During the 1973 volcanic eruptions, many farmers and fishermen leave Heimaey:
(a) Never to return.
(b) For the first time.
(c) For a day only.
(d) Against their will.

5. Congress mandates that the U.S. Army Corps of Engineers survey the Mississippi and tributaries in order to assure and improve what?
(a) Water rights.
(b) Inland navigation.
(c) Farmland irrigation.
(d) Aquatic recreation.

Short Answer Questions

1. Sigurdur Jonsson is an Iceland resident who works on what?

2. During the fifty years between New Orleans' floods of 1735 and 1785, what does the author say brings a false sense of security against flooding?

3. With "City Flow" moving towards them in Heimaey, what do pumping crews do?

4. Over a number of centuries, how does the Mississippi River form the state of Louisiana?

5. What does the U.S. Army Air Corps do to an insulating vent on Mauna Loa volcano in 1935?

(see the answer key)

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