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Volcanoes

written by: DieZel
 
About 550 volcanoes have erupted on Earth's surface since recorded history; about 60 are active each year. Learn more about these magma-erupting mountains.

Question 1:


The word 'volcano' comes from the name of the Roman god of fire, Vulcan. Who is the analogue of Vulcan in Greek mythology?
Zeus
Hermes
Hephaestus
Helios

Question 2:


If magma contains more than 65% silica, the lava is called this.
thick
mafic or basic
dense
felsic or acidic

Question 3:

View the provided image.
The eruption of Mount Tambora (a volcano on the Indonesian island of Sumbawa) of April 10, 1815 lasted until April 15 of the same year.
True
False

View Image

Question 4:


Phreatic eruptions occur when the temperature of magma is relatively low and it solidifies very quickly, sometimes blocking the vent of the volcano.
True
False

Question 5:


Yellowstone Caldera is considered a supervolcano because within the past two million years it has erupted extremely violently three times . The most recent eruption occurred this long ago, and spread volcanic ash over most of the North American continent.
640,000 years
1,510,000 years
17,000 years
40,000 years

Question 6:

View the provided image.
This biggest volcano on Earth is one of the five volcanic peaks that form the Island of Hawaii.
Mauna Loa
Kohala
Mauna Kea
Mount Vesuvius

View Image

Question 7:

View the provided image.
Mud volcanoes usually involve temperatures much lower than those of igneous volcanoes.
True
False

View Image

Question 8:

View the provided image.
Where is the largest volcano in Europe, Mount Etna located?
Sardinia
Cyprus
Rhodes
Sicily

View Image

Question 9:

View the provided image.
Popocatepetl is an active volcano named after a warrior from this mythology.
Aztec mythology
Greek mythology
Mayan mythology
Norse mythology

View Image

Question 10:

View the provided image.
Mount St. Helens is an active composite volcano situated in this US state.
Colorado
Wisconsin
California
Washington

View Image

 
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