WorksheetsEarthquakes
Total questions: 15
Worksheet time: 28mins
Name
Class
Date
1.
What characteristics of the crust and mantle allow Earth to be tectonically active?
a)
Earth's solid surface layer rotates faster than the layers under it
b)
Areas of Earth's solid surface layer are under great pressure from ocean water
c)
Earth's solid surface layer sits on a moving, semiliquid layer
d)
Areas of Earth's solid surface layer are thicker and heavier than others
2.
Tectonic motion caused tension between plates in Earth’s crust. A sudden release of this energy occurred. Based on this information, which event happened?
a)
subsidence
b)
earthquake
c)
volcanic eruption
d)
meteoroid impact
3.
The distribution of earthquakes on Earth’s surface is evidence that Earth’s crust is divided into ____.
a)
dishes
b)
oceans
c)
plates
d)
mantle
4.
The crack along which rocks break and an earthquake occurs is a _____.
a)
focus
b)
fault
c)
epicenter
d)
hypocenter
5.
Which scale is used to report the intensity of an earthquake?
a)
Mercalli
b)
Richter
c)
Fujita
d)
Morimoto
6.
What causes the buildup of energy that is released at a later time when an earthquake occurs?
a)
Heat from earth's core slowly melts the rocks found in the Earth's crust
b)
Nuclear reactions in Earth's lower crust release electromagnetic waves
c)
Jagged edges along a fault generate friction (heat) between two moving plates
d)
According to the elastic rebound theory, rocks bend until their strength is exceeded.
7.
A ____ may form when a body of water is forced inland by an earthquake or a volcanic eruption.
a)
Volcanoe
b)
Earthquake
c)
Tsunami
d)
Hurricane
8.
In creating these architectural designs, Japanese engineers developed new technology to construct buildings able to escape damage from what?
a)
Volcanoe
b)
Flood
c)
Earthquake
d)
Fires
9.
Seismic waves occur as a result of an earthquake. What wave property makes it possible for scientists to locate the source of an earthquake?
a)
The wavelength of a wave is measured from crest to crest
b)
Waves travel uniformly outward from the wave source
c)
The frequency of waves varies in different mediums
d)
Waves move at the same speed in different materials
10.
The focus is a point in the interior of Earth where energy is released causing an earthquake. How do the waves generated at the focus move?
a)
they stop when they reach the surface
b)
they die out before reaching the fault
c)
they become stronger in the atmosphere
d)
they move out in all directions
11.
Earth is composed of layers of material with different properties. Which layer is most likely to be in constant motion?
a)
core
b)
mantle
c)
outer core
d)
crust
12.
In an earthquake, primary waves move through what material?
a)
air
b)
water
c)
soil
d)
rock
13.
What happens to an earthquake wave when it passes from the crust to the mantle?
a)
it reverses directions
b)
it changes speed
c)
it increases energy
d)
it stops moving
14.
Which event most likely takes place as the result of crustal movement along transform boundaries?
a)
earthquakes
b)
volcanic activity
c)
mountain building
d)
trenches
15.
A student uses clay to construct a model of Earth. Which layer of the model should be the thinnest layer?
a)
crust
b)
mantle
c)
inner core
d)
outer core
100 %
