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

Multiple Choice Questions

1. During Thorbjorn Sigurgeirsson's test run to cool lava by the coastline, what happens?
(a) Lava cools slightly, but it doesn't solidify.
(b) Water solidifies lava, but it doesn't cool completely.
(c) Water evaporates before it can solidify lava.
(d) Lava cools completely and stops flowing.

2. What gives Thorbjorn Sigurgeirsson the idea to cool the oncoming flow of lava?
(a) His post-graduate studies.
(b) Stories he'd heard of ancestors doing the same.
(c) Watching lava cool by the sea.
(d) Watching children play by the water.

3. What does Major General Thomas Sands do each year on the Mississippi in late summer or early fall?
(a) Hosts the Water Recreation Festival.
(b) Trains new U.S. Army Corps of Engineers recruits.
(c) Takes a Low Water Inspection Trip.
(d) Conducts Homeland Security military exercises.

4. What does Magnus Magnusson tell Thorbjorn Sigurgeirsson to protect first during the eruptions of 1973?
(a) Canneries.
(b) Harbor.
(c) Fisheries.
(d) City.

5. The Hawaiian Research Association forms for what purpose?
(a) Studying the nature of lava flows.
(b) Revisiting Hawaiian legends to learn more about lava.
(c) Relocating residents directly in the path of flowing lava.
(d) Preventing lava from burying cities.

Short Answer Questions

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

2. Every thousand years or so, the Mississippi River goes through a major shift that leaves behind what?

3. What are residents of French Acadia called?

4. Vestmannaeyjar holds how much of Iceland's total population?

5. From St. Louis down to the Atchafalaya, General Sands takes note of what?

(see the answer key)

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