WorksheetsDante's Peak
Total questions: 22
Worksheet time: 11mins
While watching/monitoring Mt. Pinatubo in the Philippines. Harry's friend was killed by
a lava flow.
falling off the side of the volcano.
a volcanic bomb.
a mudslide.
Paul, Harry's boss called him in from vacation because
their had been an increase in earthquakes at Dante's Peak.
steam vents started to form at Dante's Peak.
the mayor asked if someone from the USGS would come and check on the mountain.
there was fish dying in the lake by the mountain.
The couple at the hot springs died as a result of
poisonings from gases.
the water becoming to hot and boiling.
Once Harry and team decided to monitor the mountain, they did all of the following except?
Monitored for earthquakes and mountain swelling
Monitored for sulfur and carbon dioxide gases emissions
checked the temperature of mountain.
checked for how acidic the lake was.
Paul did not want to put the town on alert at the beginning because it could affect the towns economics.
True
False
Due to little activity for a week Paul was ready to
pack up and leave.
hire the helicopter pilot to fly more runs around the mountain.
send the team up to the high lake.
Paul decided to eventually put the town on alert after
the mountain erupted.
more earthquakes occurred.
the towns water supply became full of sulfuric acid.
Once the mountain began to erupt, earthquakes increased, ash filled the air and
the heat melted the surrounding snow and ice causing a lahar to form.
caused the animals to move towards the mountain.
caused the team to leave right away.
A Lahar is a mudflow produced when a volcano's heat melts the snow and ice and it mixes with the ash and debris from the volcano.
True
False
During the evacuation process, several people tried to fly out by helicopter and was unsuccessful, why?
Earthquakes caused vibrations on the helicopter and damaged the motor.
The helicopter was caught in a mudflow known as a Lahar.
Due to so much ash being in the air it choked out the engine and it crashed.
What caused the fish to die in the lake?
Sulfuric acid leaked into the lake.
Lava
Pyroclastic cloud
Steam vents
When Harry first got to Dante's Peak he looked and the rocks and trees in the area of the mountain and also tested the
for gasses in the crater.
water in the lake to see what its acidity levels were.
temperature of the water in the hot springs.
Harry told Rachel that when the mountain erupts a pyroclastic cloud would engulf the town in a matter of about 60 seconds.
True
False
Dante's Peak is a fictional movie made to somewhat reenact what occurred during the May 1980 eruption of Mt. St. Helens.
True
False
The steam, ash and hot gases produced from a volcano can melt the snow and ice causing it to mix with the ash and other debris. This is called a Lahar (mudflow). What did it so in the movie?
It caused the dam and the bridge to break.
It caused the lake to fill up to flood stage.
It flowed out into a flat area and nothing was damaged.
A Pyroclastic Cloud (ash and steam flow), Lahar (mudflow), earthquakes, steam vents, and
lava flows all can occurred at Dante's peak.
snow occurred.
severe storms can occur during a eruption.
This fast moving hot cloud of ash, hot gases and steam and volcanic bombs can move down the mountain at speeds of 200 km/h.
Lahar
Pyroclastic Flow
Steam cloud
Lapilli
Can you drive a truck over lava like in the movie?
yes, if lava has cooled and hardened enough to support weight.
no, because lava had not cooled enough, tires will melt and gas tank explode.
In 1980, Mt. St. Helens erupted and people died because they would not evacuate. Who played this part in the Dante's Peak.
Rachel
Paul
Ruth
Harry
At the end of the movie, how did Harry, Rachel and the kids survive the eruption?
Drove across the river in Harrys truck to safety..
Drove a truck into a mine.
Drove truck across the mountain to a safe distance away.
How did Paul, Harry's boss, die?
Paul suffocated from the hot ash in the air
Paul was hit by a pyroclastic bomb, like Harry's friend, at the beginning of the movie.
Paul, his van, and the bridge was washed down river by a lahar..
NASA supplied Harry with a device that was a geo-tracker, called E.L.F., it was attached to spider legs. What did it end up being used for?
To show the location of the volcano.
To show the location of the robotic spider legs.
To show where Harry was.
