NEW
Font size
S
M
L
XL
WorksheetsPlate Tectonics, Earthquakes, and Volcanoes
Total questions: 54
Worksheet time: 57mins
Name
Class
Date
1.
A high silica volcano makes what type of an explosive?
a)
quiet eruption
b)
explosive eruption
2.
A low silica volcano makes what type of explosion
a)
quiet eruption
b)
explosive eruption
3.
What do earthquakes, volcanoes, and mountain building have in common?
a)
They occur suddenly.
b)
They are measured by seismographs.
c)
They result from plate motion.
d)
They cause major disasters.
4.
Which of these is NOT a type of volcano?
a)
Shield
b)
Super
c)
Composite
d)
Cinder
5.
What type of volcano is built almost entirely from ejected lava fragments?
a)
cinder cone
b)
composite cone
c)
shield volcano
d)
pahoehoe volcano
6.
What are fast moving clouds of gas, ash, and rock bombs that are products from an explosive eruption?
a)
ash fall
b)
effusive debris
c)
magma
d)
pyroclastic flows
7.
What famous volcano exploded in 1980 in Washington state?
a)
Kilaauea
b)
Krakatoa
c)
Mt. Ranier
d)
Mt. St. Helens
8.
A shield volcano is the tallest and most explosive volcano.
a)
True
b)
False
9.
What type of volcano is this..
a)
Shield
b)
Cinder Cone
c)
Composite or Stratovolcano
10.
What type of volcano is this..
a)
Shield
b)
Cinder Cone
c)
Composite or Stratovolcano
11.
A dense mud flow that results when snow and ice melts during an eruption and combines with volcanic ash and debris is a(n)
a)
Pyroclastic flow
b)
Slumping
c)
Lahar
d)
Dirt Current
12.
The ____________ is a belt of volcanoes around the rim of the Pacific Ocean.
a)
island arc
b)
Ring of Fire
c)
caldera
d)
hot spot
13.
As magma rises towards the surface it collects in a 'room' called a _____ _____ .
a)
magma chamber
b)
side vent
c)
main vent
d)
lava chamber
14.
An area where magma melts through the crust in the middle of a plate is called a ________.
a)
island arc
b)
hot spot
c)
geyser
d)
pipe
15.
How thick something is or the ability of a fluid or liquid to flow is its
a)
viscosity
b)
density
c)
velocity
d)
flowability
16.
At one time millions of years ago there was a supercontinent called this
a)
Pangaea
b)
Mrtweetonville
c)
Mrjohnsonville
d)
mrslauerville
17.
The sudden movement of Earth's crust
a)
Focus
b)
Tsunamis
c)
Epicenter
d)
Earthquake
18.
Measures the magnitude at the epicenter of an earthquake
a)
Focus
b)
Epicenter
c)
Tsunamis
d)
Richter Scale
19.
A huge wave formed from an earthquake deep in the ocean
a)
Tidal Wave
b)
Tsunamis
c)
Typhoon
d)
Whitecaps
20.
The place where slipping begins
a)
Steps
b)
Focus
c)
Epicenter
d)
Earthquake
21.
The point directly above the focus where people/animals feel the ground shaking
a)
Epicenter
b)
Focus
c)
Earthquake
d)
Tsunamis
22.
What kind of volcano is made of alternating layers of lava and tephra? (also called a composite volcano)
a)
composing
b)
stratovolcano
c)
cinder
d)
shield
23.
The car-sized material being shot out of a volcano are called what?
a)
volcanic ash
b)
volcanic cinders
c)
volcanic bombs
d)
lapilli
24.
Earthquakes can have aftershocks or another smaller earthquake after the big one.
a)
True
b)
False
25.
These seismic waves compress and expand the ground like an accordion:
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
26.
These seismic waves can travel through both liquids and solids:
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
27.
These seismic waves arrive first to signal an earthquake and can damage buildings.
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
28.
These seismic waves arrive second and can shake the ground violently.
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
29.
These seismic waves are slower and arrive last but causes severe damage:
a)
p-waves
b)
s-waves
c)
surface waves
d)
z-waves
30.
P-waves and S-waves are consider this type of wave:
a)
surface
b)
sonic
c)
body
d)
infrared
31.
This word describes the size of the earthquake:
a)
seismograph
b)
magnitude
c)
focus
d)
epicenter
32.
This famous transform fault is located in the western United States creates significant earthquake activity for California
a)
New Madrid
b)
Denali Fault
c)
Ramapo Seismic Zone
d)
San Andreas
33.
A foreshock is
a)
a major earthquake
b)
a small earthquake
c)
another name for seismic gap
d)
a precusor to a tsunami
34.
Which wave is the most destructive?
a)
P - Primary
b)
S - Secondary
c)
Surface Wave
d)
Normal
35.
Wegener's evidence supports his theory of a super continent that he named?
a)
Ultima
b)
Pangaea
c)
Plate Tectonics
d)
Continental Drift
36.
Other scientists rejected Wegener's Continental Drift Theory because...
a)
He did not have evidence
b)
He couldn't explain how the continents moved
c)
He wasn't a scientist
d)
He was a bad communicator
37.
Large pieces of Earth's lithosphere that move around are called?
a)
Sections
b)
Plates
c)
Land Masses
d)
Faults
38.
Which layer does the lithosphere (the outer most layer plus the crust) float on top of?
a)
the crust
b)
lithosphere
c)
asthenosphere
d)
outer core
39.
How does sea floor spreading occur?
a)
It is a myth and does not occur.
b)
At mid-ocean ridges, magma is forced upward and slowly spreads the plates
c)
Organic material forms limestone on the ocean
d)
The pressure from the ocean water forces down on the sea floor and moves it
40.
In the early 1900's Alfred Wegener found evidence of identical rock types, identical fossils, and matching mountain ranges on different continents that are on opposite sides of an ocean. What could be the explanation for these observations?
a)
All animals can swim extremely long distances
b)
These observations have no significant meaning.
c)
In the past, continents were not located where they are today but were joined together
d)
mountains are made through the same processes therefore they are very similar in their structure throughout the entire world.
41.
What forms when two continental plates pull apart (divergent)?
a)
mountain
b)
rift valley
c)
mid-ocean ridge
d)
deep-ocean trench
42.
Which evidence was not used by Wegener to support his continental drift theory?
a)
South America & Africa coastlines
b)
Coal beds in Antarctica & Britain
c)
Plant & reptile fossils
d)
Earthquake patterns
43.
This theory states Earth's plates move on top of the mantle at a slow constant rate
a)
Plate Tectonics
b)
Continental Drift
c)
Superposition
d)
Pangaea
44.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
45.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
46.
Name the boundary
a)
convergent boundary
b)
divergent boundary
c)
transform boundary
d)
sergent boundary
47.
How did scientists discover that rocks farther away from the mid ocean ridge were older than those near it?
a)
by observing eruptions of molten material on the sea floor
b)
by mapping rocks on the sea floor using sonar
c)
by determing the age of rock samples obtained by drilling on the sea floor
d)
by measuring how fast sea floor spreading occurs
48.
Most geologists think that the movement of Earth's plates is caused by
a)
conduction
b)
earthquakes
c)
convection currents in the mantle
d)
Earth's magnetic field.
49.
A collision between two pieces of continental crust at a converging boundary produces a
a)
mid ocean ridge
b)
deep ocean trench
c)
rift valley
d)
mountain range
50.
The average density of one of the continental crusts is 2.8 g/cm3 and the average density of the oceanic crusts is 3.2 g/cm3. If these two plates come together, what could be expected to happen?
a)
Two plates would push apart and form a rift zone.
b)
The oceanic plate would rise up over the continental plate
c)
The oceanic plate would be pushed under the continental plate
d)
The two plates would meet head on and rise up to form mountains.
51.
Why does cooler material sink while warmer material rises?
a)
Cooler material is more dense.
b)
Hot material is more dense.
52.
Assume tht the total surface area of earth is not changing. If new material is being produced at one plate boundary, what would be happening at another plate boundary?
a)
New material would be added again.
b)
Old crust would be destroyed by subduction.
53.
Sea floor spreading is an example of this type of boundary.
a)
Convergent
b)
Divergent
c)
Transform
d)
Rift
54.
what does silicon do to magma
a)
makes it runny
b)
makes it thick and sticky
c)
makes it violent
d)
makes it water proof
Reset
