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Savvas 8th Grade Chapter 4 Earthquakes Test

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Last updated over 2 years ago
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Question 1
1.

In a normal fault, the part of the fault that lies below the other part is called the

Question 2
2.

Stress that pushes a mass of rock in two opposite directions is called

Question 3
3.

Which type of stress force produces reverse faults?

Question 4
4.

Which of the following can cause damage days or months after a large earthquake?

Question 5
5.

The point beneath Earth’s surface where rock breaks under stress and triggers an earthquake is called the

Question 6
6.

In a strike-slip fault, the rocks on either side of the fault slip past each other sideways with little

Question 7
7.

A fold in rock that bends upward into an arch is called a(n)

Question 8
8.

The type of seismic waves that arrive at the surface first and move by compressing and expanding the ground like an accordion are called

Question 9
9.

The rating system that estimates the total energy released by an earthquake is called the

Question 10
10.

A large area of flat land elevated high above sea level is called a

Question 11
11.

The Ring of Fire, where many earthquakes occur, is located around the rim of which ocean?

Question 12
12.

Which type of seismic wave causes the most destruction to property?

Question 13
13.

Which type of seismic wave can move through solid layers of the earth but not through the liquid outer core?

Question 14
14.

The scale, which is numbered 1-10, that measures the strength or magnitude of an earthquake.

Question 15
15.
A seismograph uses a _______ to record the drum's vibrations.
Question 16
16.
The stress force that pulls on the crust where two plates are moving apart is called
_______ .
Question 17
17.
The seismic waves that travel along Earth’s surface and produce the most severe ground
movements are called_______ .
Question 18
18.
The block of rock that lies above a fault is called the_______ .
Question 19
19.
Shearing creates _______faults, like the San Andreas fault in California.
Question 20
20.
_______ seismic stations are required to determine the epicenter of an earthquake?
Question 21
21.

An upward fold in a rock is called a plateau.

Question 22
22.

With the range of data available, geologists cannot predict exactly where and when earthquakes will occur.

Question 23
23.

The squeezing together of rocks by stress is called shearing.

Question 24
24.

In a strike-slip fault, the rocks on either side of the fault slip past each other sideways.

Question 25
25.

When an earthquake occurs, S waves are the first seismic waves to arrive at a given location.

Question 26
26.

Distinguish between the focus and the epicenter of an earthquake.

Question 27
27.

Explain in your own words what happens during an earthquake? (Include the words plate boundaries, fault, seismic waves, and scale on which it’s measured).

Question 28
28.

Use the illustration to answer questions 28-30.




Describe the rock layers shown in Diagram A and any forces acting on the rock.

Question 29
29.

Using the above diagram, contrast the plate movements that cause the stresses in Diagrams B and C.

Question 30
30.

Using the above diagram, will a normal fault result from the stresses being applied to the rock unit in Diagram D? Explain.

Question 31
31.

Explain how geologists use seismic waves to locate an earthquake's epicenter.

Question 32
32.

Describe how a seismograph works.

Question 33
33.

Describe the Modified Mercalli Scale. Explain why it is useful.