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

2. When floodwaters cover twenty-six thousand square miles in 1927, how is New Orleans saved?
(a) Blowing up a downstream levee.
(b) Layering sandbags along the riverbanks.
(c) Quickly digging a diversion channel.
(d) Building concrete walls around the city.

3. What is Thorbjorn Sigurgeirsson's vocation?
(a) Environmentalist.
(b) Biologist.
(c) Chemist.
(d) Physicist.

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

5. During high spring waters, what danger forms unseen beneath turbulent waters at the outflow to the Atchafalaya?
(a) An enormous hole larger and deeper than a football stadium.
(b) The partial collapse of one of the pylons.
(c) A crack in a gate of the control structure.
(d) Treacherous new rip currents.

Short Answer Questions

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

2. In gallons, how much water is pumped onto the lava flows of Heimaey each day?

3. For the most part, residents of Heimaey are what during the 1973 eruptions?

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

5. Sympathetically, who does McPhee blame for destructive actions against the natural order of the environment?

(see the answer key)

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