Violent Vesuvius

Why do many volcanologists consider Mount Vesuvius one of the world's most dangerous volcanos?

• because it is active and scientists never study it

• because it is active and near an important rainforest

• because it is active and very close to several large cities

• because it is active and erupts monthly

When was the last time Vesuvius erupted?

• 79 CE

• 1991 CE

• 1944 CE

• 1748 CE

Who was Pliny the Younger?

• a Roman teenager who witnessed a huge eruption of Vesuvius

• a Roman general who witnessed a small eruption of Vesuvius

• an Italian scientist who placed the first sensors in Mount Vesuvius

• an Italian politician who led an evacuation to escape a river of lava

Why was it so dark when Pliny the Younger tried to escape with his mother?

• It was midnight when Vesuvius erupted

• Pliny and his mother hid in a cave that had no light.

• Ashes from Vesuvius blocked the sun.

• Lava from Vesuvius blocked the sun.

What happened to Pliny's uncle?

• He died trying to study the lava inside of the volcano.

• He died trying to evacuate people from Pompeii.

• He was injured by the eruption, but he lived to tell others about it

• He escaped from the eruption of Mount Vesuvius unharmed.

What made the towns at the volcano's base disappear?

• They were buried by ashes.

• They were completely melted by lava.

• They were washed away by a sudden flood.

• They were destroyed by a sudden snowstorm.

What is a pyroclastic flow?

• an avalanche of snow and ice

• a slow-moving river of lava that can be easily avoided

• an avalanche of ash, rock, and gas that can bury things in seconds

• a river of lava found deep under the ocean

Why are eruption clouds called Plinian eruptions?

• to honor a teenager who described them in a letter long ago

• to honor a city named Pliny that was buried by volcanic ash

• to honor a modern scientist who collected data on these clouds

• to honor the name of a volcano that creates them daily

How often do scientists analyze sensor data from Mount Vesuvius?

• Once a month

• 24 hours a day

• Once every 24 hours

• Once a week