CH 1-4 test prep

Question 1

“The present is the key to the past” is known as the Principle of ____________

Answer 1

Uniformitarianism

Question 2

What hazard is Utah most at risk for?

Answer 2

earthquakes

Question 3

“A natural process or event that is a potential threat to human life or property” is the definition for: catastrophe, disaster, or hazard?

Answer 3

a hazard

Question 4

What is the age of the Earth?

Answer 4

4.6 billion years

Question 5

During the past 50 years, natural disasters have been increasing with flooding and storms being the major cause of fatalities.
True or False?

Answer 5

True

Question 6

The Hawaiian islands formation is attributed to their location near a____?

a) Divergent boundary
b) Hot Spot
c) Transform boundary
d) Convergent boundary

Answer 6

B) Hot Spot

Question 7

What is the name of the man who first proposed that the continents are drifting?

Answer 7

Alfred Wegner

Question 8

What kind of plate boundary is found at the Mid-Ocean Ridge?
Transform
Divergent
Convergent
Strike-Slip

Answer 8

B) Divergent

Question 9

When did the landmass of Pangea begin to break apart?

a) 100 million years ago
b) 200 million years ago
c) 2 billion years ago
d) 100,000 years ago

Answer 9

200 million years ago

Question 10

Explain how paleomagnetic reversals support the plate tectonics model. (Yikes, sorry, hard question!)

Answer 10

Hint: symmetry

Question 11

What type of seismic wave will be detected by a seismograph first?

Answer 11

P wave

Question 12

What type of scale measures the degree of earthquake shaking at a given locale based on the amount of damage?
Modified Mercalli Intensity Scale
Richter Magnitude Scale

Answer 12

Modified Mercalli Intensity Scale

Question 13

What type of Earth material is most susceptible to liquefaction?

Answer 13

Water saturated sediments, such as sand

Question 14

Can earthquakes be predicted?

Answer 14

No

Question 15

What type of fault is responsible for producing earthquakes along the Intermountain Seismic Zone and is responsible for the Basin and Range topography?

Answer 15

Normal Fault

Question 16

A tsunami consists of one gigantic wave.

True or False

Answer 16

False

Question 17

What is the difference between a distant tsunami and a local tsunami?

Answer 17

Distant tsunami travels out to sea; local travels directly to land

Question 18

What type of plate boundary will most often produce a tsunami?
Divergent
Transform
Convergent

Answer 18

Convergent

Question 19

What does a run-up map show?

Answer 19

Shows area that is likely to be inundated with water if a tsunami were to occur

Question 20

What/Where is an example of a megathrust fault?

Answer 20

Chile’s west coast; Cascadia zone; Sumatra

where subduction is occurring

Question 21

What is the age of the Earth?

Answer 21

4.6 billion years

Question 22

Give an example of a catastrophe

Answer 22

There are many examples of catastrophes (massive disasters); examples include Hurricane Katrina or the Haitian earthquake in 2010

Question 23

What is responsible for the formation of the Cascade Mountains?
Convergence along the mid-ocean ridge
Convergence along a transform boundary
Convergence along a subduction zone

Answer 23

Convergence along a subduction zone

Question 24

Which of the following is found deep within the Earth?
Fault scarp
Epicenter
Focus

Answer 24

Focus

Question 25

Which of the following phenomenon were associated with the Japanese earthquake that occurred in 2011. Note there could be more than one…
Liquefaction
Tsunami
Meltdown of nuclear reactors

Answer 25

All of these occurred during the 2011 Japanese earthquake