WorksheetsVolcanoes and Earthquakes
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
What volcano type has lava with a very high viscosity?
a)
Stratovolcano
b)
Dome
c)
Cinder Cone
d)
Shield
2.
What type of rock does a shield volcano create?
a)
Granite
b)
Rhyolite
c)
Scoria
d)
Basalt
3.
Which of the following is an example of a stratovolcano?
a)
Mt. Vesuvius
b)
Mauna Loa
c)
Crater Lake
d)
Pilot Butte
4.
What type of volcano is formed when tephra and ash build up along the sides of a single vent?
a)
Stratovolcano
b)
Cinder Cone
c)
Caldera
d)
Dome
5.
Which volcano type has a wide base and shallow sides?
a)
Caldera
b)
Stratovolcano
c)
Shield
d)
Dome
6.
What is the term that describes a liquid’s resistance to flow?
a)
Velocity
b)
Speed
c)
Viscosity
d)
Momentum
7.
What volcano type is both tall and wide?
a)
Dome
b)
Stratovolcano
c)
Shield
d)
Caldera
8.
What type of rock does a cinder cone create?
a)
Scoria
b)
Rhyolite
c)
Dacite
d)
Granite
9.
Which of the following correctly describes the relationship between silica content and viscosity?
a)
As the amount of silica increases, viscosity decreases.
b)
As the amount of silica increases, viscosity increases.
c)
Silica and viscosity do not influence each other.
10.
Why do scientists study volcanoes?
a)
Miss Sobolak thinks they're awesome.
b)
To understand the affects of wind currents on ecosystems.
c)
To keep people safe from devastating eruptions.
d)
To research how glaciers shape the landscape.
11.
What type of volcano forms from layers of ash, pyroclastic flows, pumice, lava, and lahar?
a)
Stratovolcano
b)
Cinder Cone
c)
Caldera
d)
Dome
12.
What volcano type has lava with moderate silica content?
a)
Caldera
b)
Shield
c)
Cinder Cone
d)
Dome
13.
Which of the following is not one of the 4 types of lava?
a)
Pahoehoe
b)
Lapilli
c)
Pillow Lava
d)
A'a
14.
What term describes the body of molten rock that feeds a volcano?
a)
Magma Chamber
b)
Vent
c)
Volcano
d)
Pyroclast
15.
What factors influence how explosive an eruption is?
a)
Silica Content
b)
Water Content
c)
Viscosity
d)
All of the above
16.
Which of the following is an opening through which lava or pyroclastic material passes?
a)
magma chamber
b)
pyroclast
c)
lava
d)
vent
17.
Which type of pyroclast is lava that is ejected from the volcano into the air and hardens. Often has a “teardrop” shape.
a)
lapilli
b)
volcanic bomb
c)
volcanic ash
18.
What is this a picture of?
a)
Lapilli
b)
Volcanic Ash
c)
Baked Mud
d)
Volcanic Bomb
19.
What is this a picture of?
a)
Lapilli
b)
Sedimentary Rock
c)
Volcanic Ash
d)
Volcanic Bombs
20.
What is covering the car?
a)
Snow
b)
Volcanic Ash
c)
Lapilli
d)
Dust
21.
What percentage of active volcanoes form on land where plates collide?
a)
10%
b)
50%
c)
80%
d)
95%
22.
True or False: Most volcanoes are found at divergent plate boundaries.
a)
True
b)
False
23.
What forms when tectonic plates separate?
a)
Rift zone
b)
Coral Reef
c)
Subduction zone
d)
Mountain
24.
What forms from lava flows at undersea rift zones?
a)
Coral Reefs
b)
Subduction Zones
c)
Mid Ocean Ridges
d)
Islands
25.
What is the process called when an oceanic plate and a continental plate collide, the oceanic plate usually slides underneath the continental plate due to its lower density?
a)
Rifting
b)
Subduction
c)
Friction
d)
Eruption
26.
What causes a chain of volcanic islands to form away from plate boundaries?
a)
Subduction Zone
b)
Rift Zone
c)
Hot Spots
d)
Earthquakes
27.
What 2 plates were subducting under Mt. Vesuvius to create its catastrophic eruption?
a)
North American, Eurasian
b)
Juan de Fuca, Australian
c)
Scotia, South America
d)
African, Eurasian
28.
What was the most dangerous hazard to human life in the eruption of Mt. Vesuvius in 79 AD?
a)
Lapilli
b)
Lava Flows
c)
Lahar
d)
Volcanic Bombs
29.
What preserved the artifacts at Pompeii?
a)
lack of air and moisture
b)
building falling on top of them
c)
lava
d)
ash and dust
30.
True of False: The people of Pompeii were unprepared for the eruption in 79 AD.
a)
True
b)
False
31.
What is the study of earthquakes referred to?
a)
Earthquakology
b)
Seismos
c)
Seismology
d)
Epicentology
32.
What does the Modified Mercalli Scale measure?
a)
Magnitude
b)
Intensity
c)
Amplitude
d)
Magnitude and Amplitude
33.
What does the Richter Scale measure?
a)
Magnitude
b)
Intensity
c)
Amplitude
d)
Amplitude and Magnitude
34.
Which seismic waves travel through the interior of the earth?
a)
Love
b)
Rayleigh
c)
Compressional
d)
Rayleigh-Love
35.
Which seismic waves move along Earth's surface?
a)
Rayleigh-Love
b)
Compressional
c)
Shear
d)
Sobolak
36.
Which state had the most earthquakes in the USA from 1974-2003?
a)
California
b)
Hawaii
c)
Washington
d)
Alaska
37.
What phase of matter can S-waves travel through?
a)
liquid
b)
gas
c)
solid
d)
solid, liquid, and gas
38.
Which of the following is not an effect of earthquakes?
a)
Landslide
b)
Fire
c)
Liquefaction
d)
Increase in sea level
39.
What is the name for a weight placed in the top of a building that counteracts a building's movement from seismic waves?
a)
flexible pipes
b)
mass dampers
c)
base isolators
d)
cross braces
40.
What are placed between floors to counteract the pressure that pushes and pulls at the side of a building during an earthquake?
a)
Cross braces
b)
Active tendon systems
c)
Base isolators
d)
Mass dampers
100 %
