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

Multiple Choice Questions

1. This book is a:
(a) Science fiction novel.
(b) Traditional history textbook.
(c) Historical nonfiction novel.
(d) Traditional science textbook.

2. On General Sand's floating conference boat, Oliver Houck is the only board member who is active in what?
(a) Taking the census.
(b) Local political life.
(c) Environmental movement.
(d) Cancelling the Old River project.

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

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

5. In gallons, how much water is pumped onto the lava flows of Heimaey each day?
(a) Thirteen hundred.
(b) Thirteen thousand.
(c) Thirty thousand.
(d) Thirty million.

Short Answer Questions

1. During the 1973 volcanic eruptions, many farmers and fishermen leave Heimaey:

2. A navigation lock on the bank of the Mississippi River lowers ships down to where?

3. Valdimar Jonsson is a professor of what?

4. When does the author visit Vestmannaeyjar?

5. Why do residents of Heimaey hose down oncoming lava?

(see the answer key)

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