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

Multiple Choice Questions

1. Thorbjorn Sigurgeirsson is a native of which country?
(a) Sweden.
(b) Iceland.
(c) Greenland.
(d) Finland.

2. The Old River Control began its operations in what year?
(a) 1917.
(b) 1931.
(c) 1988.
(d) 1963.

3. In the 1800s, swamps in Louisiana are drained and used as what?
(a) Hideouts.
(b) Military camps.
(c) Farmland.
(d) Storage pits.

4. In 1973, what happens to the Old River Control structure despite engineers drilling it and filling it with cement?
(a) The foundation is eroded and undermined.
(b) The structure is knocked down and rebuilt.
(c) Funding to strengthen the structure is cut.
(d) The entire project is cancelled.

5. The author retells the time when Raphael G. Kazmann walks out onto the five hundred and sixty-six foot structure over the Old River but leaves quickly because:
(a) A freak tidal wave is coming towards the structure.
(b) The two-hundred thousand ton structure is vibrating.
(c) A hurricane is headed his way.
(d) An intense lightning storm develops over the area.

Short Answer Questions

1. To cool the lava flows of 1973, what does Valdimar Jonsson suggest?

2. What does "City Flow" do in Heimaey?

3. The U.S. Army Corps of Engineers distributes Atchafalaya river water to swamps, bayous, towns, and cities in:

4. What ultimately happens to the moving piece of mountain on Vestmannaeyjar?

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

(see the answer key)

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