WorksheetsVolcanoes, Earthquakes, and Plate Tectonics Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What technology did scientists use in the mid-1900s to map the mid-ocean ridge?
a)
satellites
b)
deep-sea diving
c)
submarines
d)
sonar
2.
The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called
a)
S waves
b)
P waves
c)
surface waves
d)
Mercalli waves
3.
If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of
a)
an aftershock
b)
liquefication
c)
a tsunami
d)
landslides
4.
What is the minimum number of seismograph stations required in order to determine the exact location of an earthquake's epicenter?
a)
1
b)
2
c)
3
d)
4
5.
The geological theory that states the pieces of Earth's lithosphere are in constant, slow motion is the theory of
a)
subduction
b)
plate tectonics
c)
deep-ocean trenches
d)
sea-floor spreading
6.
According to Wegener's hypothesis of continental drift
a)
Earth's surface is made up of seven major landmasses
b)
the continents do no move
c)
Earth is slowly cooling and shrinking
d)
the continents were once joined together in a single ladmass
7.
A volcano that may erupt again at some time in the distant future is
a)
active.
b)
dormant.
c)
explosive.
d)
extinct.
8.
The rating system that estimates the total energy released by an earthquake is called the
a)
Richter scale
b)
moment magnitude scale
c)
mechanical seismograph scale
d)
Mercalli scale
9.
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
10.
Compared to P waves and S waves, surface waves move
a)
faster
b)
slower
c)
at the same rate
d)
farther from the epicenter
11.
A place where two plates slip past each other, moving in opposite directions, is known as a
a)
transform boundary
b)
divergent boundary
c)
convergent boundary
d)
rift valley
12.
The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as
a)
convection
b)
continental drift
c)
subduction
d)
conduction
13.
Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called
a)
shield volcanoes.
b)
cinder cone volcanoes.
c)
composite volcanoes.
d)
lava plateaus.
14.
What does a seismograph record?
a)
the Mercalli scale rating from an earthquake
b)
the speed of seismic waves
c)
the ground movements caused by seismic waves
d)
the location of the epicenter
15.
Most geologists rejected Alfred Wegener's idea of continental drift because
a)
they were afraid of a new idea
b)
Wegener was interested in what Earth was like millions of years ago
c)
Wegener used several different types of evidence to support his hypothesis
d)
Wegener could not identify a force that could move the continents
16.
Before lava reaches the surface, the molten material is called
a)
rock
b)
magma
c)
volcanic ash
d)
liquid fire
17.
The point beneath earth's surface where rock breaks under stress and triggers an earthquake is called the
a)
syncline
b)
footwall
c)
epicenter
d)
focus
18.
The huge hole left by the collapse of a volcanic mountain is called a
a)
lava plateau
b)
caldera
c)
cinder cone
d)
shield volcano
19.
The transfer of energy through empty space is called
a)
conduction
b)
convection
c)
radiation
d)
subduction
20.
Heat transfer within a fluid takes place by
a)
convection currents
b)
radiation
c)
conduction
d)
density
100 %
