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Earthquakes & Volcanoes

Total questions: 54

Worksheet time: 28mins

Name
Class
Date
1.

Most volcanoes behave very similarly to each other.

a)

True

b)

False

2.

Most volcanoes are pretty similar in appearance.

a)

True

b)

False

3.

Volcanic eruptions are categorized on a scale from __ to __.

a)

0

b)

1

c)

6

d)

8

4.

The scale that measures volcanoes is called the...

a)

VOE

b)

VEI

c)

VIE

d)
5.

Volcanoes are mainly measured by...

a)

how strong the rumbling is.

b)

how big the ash cloud is.

c)

how much total material leaves the Earth's crust.

d)

what time of year they erupt.

6.

What is the number #1 factor that determines a volcanoes behavior and physical appearence?

a)

The ingeous intrusive rock it produces.

b)

The igneous extrusive rock it produces.

c)

The climate in which the volcano exists.

d)

the distance the volcano is to a major population of people.

7.

How a substance flows in its liquid state is called (a)   .

8.

When a substance flows easily we say it has a ____ viscosity

a)

low

b)

high

c)

medium

d)
9.

When a substance does NOT flow easily in its molten state, we say that substance has a _____ viscosity.

a)
b)

high

c)

low

d)
10.

Composite volcanoes tend to have _____ slopes, and are composed of ________ volcanic rock

a)

steep

b)

shallow

c)

granitic

d)

basaltic

11.

Where there is a composite volcano there is almost always....

a)

a urban arean

b)

a divergent boundary

c)

a subduction zone

12.

Where do shield volcanoes generally occur?

a)

At subduction zones

b)

At hot spots with oceanic crust

c)

At transform boundaries

d)

at divergent plate boundaries

13.

What are the names of the two plates that Iceland is located on?

a)

North American plate

b)

Eurasian plate

c)

Nazca plate

d)

African plate

e)

Antarctic plate

14.

What type of volcano is wide and flat, created by layers of lava flow?

a)

Shield

b)

Cinder Cone

c)

Composite

15.

What type of volcano is Kilauea, which is located above a hot spot where layers of lava continuously flow?

a)

Shield

b)

Cinder Cone

c)

Composite

16.

What type of volcano is Mount St. Helens, a tall volcano composed of layers of lava and cinders?

a)

Shield

b)

Cinder Cone

c)

Composite

17.

Which type of volcano forms due to alternating quiet and explosive eruptions which form layers?

a)

Shield

b)

Cinder Cone

c)

Composite

18.

What type of volcano is this?

a)

Shield

b)

Cinder Cone

c)

Composite

19.

What type of volcano is this?

a)

Shield

b)

Cinder Cone

c)

Composite

20.

Which word describes molten rock that is above the crust?

a)

Lava

b)

Magma

21.

Which word describes molten rock that is below the crust?

a)

Lava

b)

Magma

22.
A volcano belt that rims the Pacific Ocean
a)
Belt of Fire
b)
Ring of Fire
c)
Hat of Fire
d)
Earthquake of Fire
23.

The composite volcanoes that occur in the Pacific NW, including Saint Helens, Hood, Ranier, Crater Lake, Shasta, & Lassen are called the ___(8)___.

(a)  

24.
The epicenter of an earthquake is
a)
The point below the surface where rock begins to break and the first motion occurs
b)
The seismic station closest to the earthquake
c)
The place where the greatest damage occurs
d)
The point on the surface directly above the focus
25.
The epicenter of an earthquake is
a)
The point below the surface where rock begins to break and the first motion occurs
b)
The seismic station closest to the earthquake
c)
The place where the greatest damage occurs
d)
The point on the surface directly above the focus
26.
Which travels fastest, always being the first detected by seismic stations?
a)
P waves
b)
S waves
27.
An instrument that detects and measures earthquakes is a 
a)
seismogram
b)
focus seismic map
c)
focus
d)
seismograph 
28.
Earthquakes under the water can cause _________________________________.
a)
tornadoes
b)
tsunamis
c)
lightening
d)
hailstorms
29.
A tracing of earthquake motion that is created by a seismograph. This can be on a huge sheet of paper, shows P-waves 
a)
Seimogram 
b)
Seismic wave
c)
Carrollton 
d)
Deformed 
30.
Many earthquakes happen along the borders of...
a)
Countries
b)
Tetonic Plates
c)
Climate Zones
d)
None of the above.
31.
The Richter scale measures:
a)
the amount of radon gas released
b)
the movement of plates
c)
the strength of an earthquake
d)
the weight of tectonic plates
32.
The farther a seismic station is from an earthquake, a person will notice that  the time between P and S waves
a)
Increases
b)
Decreases
c)
Same
33.

The place where an earthquake originates inside the Earth's surface is called...

a)

Epicenter

b)

Focus

c)

Underground

d)

Crust

34.

Which city is closest to the epicenter?

a)

A

b)

B

c)

C

35.

Which seismogram represents a city that is far from the epicenter of an earthquake?

a)

New York, NY

b)

Nome, Alaska

c)

Guadalajara, Mexico

36.

Which wave is the most destructive and travels on the surface?

a)

Secondary Waves

b)

Primary Waves

c)

Love & Rayleigh Waves

37.

S-waves can move through which of the following?

a)

Gas

b)

Liquid

c)

Solid

d)

All of these

38.

What is the minimum number of seismograph stations needed to locate an earthquake epicenter?

a)

1

b)

2

c)

3

d)

5

39.

Which wave can travel through all materials?

a)

P - primary

b)

S - secondary

c)

L - Long

40.

What is the measure of the amount of energy released in an earthquake?

a)

Intensity

b)

Epicenter

c)

Magnitude

d)

Seismogram

41.

Most earthquakes are associated with ___(6)___.

(a)  

42.

A fault is a ______ in the Earth's ______.

a)

strength

b)

weakness

c)

mantle

d)

crust

43.

Elastic Rebound explains how the Earth's crust stores (2)...

a)

water

b)

stress

c)

energy

d)

fault

44.

The actual location in the Earth's crust where an earthquake occurs is called the (2)....

a)

epicenter

b)

hypocenter

c)

seismo

d)

focus

45.

The point on the surface above the quakes focus is called the ___(9)____.

(a)  

46.

Body waves travel....

a)

across the Earth's surface

b)

through the Earth's interior

47.

Which two of the following are seimic surface waves

a)

Primary

b)

Secondary

c)

Love

d)

Rayleigh

48.

The arrival times of P,S,L,R waves is always

a)

the same

b)

different

49.

What is a scientist who studies the movement of the earth called?

a)

tsunami

b)

magnitude

c)

seismologist

d)

focus

50.

What are the vibrations of energy flowing from the focus?

a)

epicenter

b)

tsunami

c)

focus

d)

seismic waves

51.

What is the point on Earth's surface directly above the focus?

a)

tsunami

b)

seismic wave

c)

epicenter

d)

focus

52.

The strength of an earthquake's seismic waves...

a)

epicenter

b)

magnitude

c)

tsunami

d)

focus

53.

Giant ocean waves are called?

a)

epicenter

b)

seismic wave

c)

focus

d)

tsunami

54.

Slower destructive waves that occur on the surface of the earth are what type of earthquake waves?

a)

hate wave

b)

surface waves

c)

P wave

d)

body waves

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