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

Multiple Choice Questions

1. In the spring of 1973, what does the U.S. Army Corps of Engineers do to try to alleviate the tremendous force of water against the control structure?
(a) Open up all eleven gates.
(b) Dam up water north of the structure.
(c) Dig a ditch to re-route the water.
(d) Purposely flood the entire region.

2. The Civil Defense Council in the Reykjavik National Emergency Center is established in 1962 as what?
(a) Volcano eruption monitoring station.
(b) Command-post bomb shelter.
(c) Natural disaster preparedness center.
(d) Storm-monitoring communication headquarters.

3. What does James B. Eads invent to explore the Mississippi River?
(a) Glass-bottom boat.
(b) Water telescope.
(c) Underwater camera.
(d) Submarine.

4. What do doctors dispense to workers who are cooling down the lava in Iceland to soothe their hoarse throats?
(a) Swedish chest lozenges.
(b) Norwegian chest drops.
(c) Finnish cough drops.
(d) Icelandic throat lozenges.

5. The author tells stories of the following people in conflict with forces of nature:
(a) Engineers.
(b) Residents.
(c) Government officials.
(d) All of the them.

Short Answer Questions

1. In 1973, the eruptions in Heimaey begin on January 23 and continue vigorously before diminishing in strength through when?

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

3. During high spring waters, what danger forms unseen beneath turbulent waters at the outflow to the Atchafalaya?

4. How much water is pumped onto a lava field directly in the path of the moving mountain headed towards Heimaey's town and harbor?

5. When does hot lava stop glowing red?

(see the answer key)

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