Earthquakes Assessment Mcfadden Period 2 2015
- 1.When stress causes rocks to break: vibrations called _____________________ are produced.
- A.
Earthquakes
- B.
Tsunami
- C.
Faults
- D.
Elastic Limit
- 2.When tension forces pull rock apart a ________________ occurs.
- A.
Reverse Fault
- B.
Normal Fault
- C.
Strike-slip Fault
- D.
Transform Fault
- 3._______________________ waves cause particles in rocks to move at right angles to the direction of the waves.
- A.
Surface Waves
- B.
Primary Waves
- C.
Secondary Waves
- D.
Tertiary Waves
- 4.The ___________ of an earthquake is the point of Earth's surface above the focus.
- A.
Focus
- B.
Epicenter
- C.
Foci
- D.
Fault
- 5.The measure of energy released by an earthquake is the earthquake's ________________________
- A.
Magnitude
- B.
Destructive Force
- C.
Focus
- D.
Epicenter
- 6.At a _____________________, the rocks above the fault surface are forced up and over the rocks below the fault surface.
- A.
Reverse Fault
- B.
Normal Fault
- C.
Strike-Slip Fault
- D.
Transform Fault
- 7.By studying seismic wave information, a scientist discovered that boundary between Earth's crust and its upper mantle, which is called the ______________.
- A.
Moho
- B.
Lithosphere
- C.
Asthenosphere
- D.
Crust
- 8.A ___________________ is a seawave that is caused by seismic activity and can cause great devastation.
- A.
P-waves
- B.
S-waves
- C.
Surface Waves
- D.
Tsunami
- 9.Most destruction is caused by __________________ waves
- A.
S-waves
- B.
Surface Waves
- C.
P-waves
- D.
Sound Waves
- 10.An instrument called a _____________________ is used to record seismic waves
- A.
Seismograph
- B.
Seismogram
- C.
Seismometer
- 11.A fault between two plates that are moving sideways past each other is called a _______________ fault
- A.
Normal
- B.
Reverse
- C.
Transform
- D.
Strike-slip
- 12.________________ waves cause particles in the Earth to move back and forth in the same direction (similar to a slinky) as the wave travels
- A.
Secondary
- B.
Light
- C.
Surface
- D.
Primary
- 13.Earthquakes generate energy waves called ____________________.
- A.
Seismic Waves
- B.
Ocean Waves
- C.
Sound Waves
- D.
Light Waves
- 14.When the force on rocks is great enough, they break, producing vibrations called _____________.
- A.
Faults
- B.
Earthquakes
- C.
Strains
- D.
Stresses
- 15.Once the elastic limit of rocks is passed, they break and move along surfaces called _______________.
- A.
Faults
- B.
Earthquakes
- C.
Strains
- D.
Stresses
- 16.Most earthquakes happen ____________.
- A.
Without warning
- B.
In areas where earthquakes have occurred in the past
- C.
Along plate boundaries
- D.
All the answers provided are correct
- 17.A person twice as far from the epicenter of an earthquake as another person will notice that the time between the arrival of the primary and secondary waves will be ________________.
- A.
The same
- B.
Larger
- C.
Reduced
- D.
Unnoticeable
- 18.Scientists discovered the different layers in Earth's interior by studying___________.
- A.
Tsunamis
- B.
Tides
- C.
Changes in seismic waves
- D.
All of the answers provided are correct
- 19.____________ is the force that squeezes rocks together.
- A.
Tension
- B.
Shear
- C.
Elastic Limit
- D.
Compression
- 20.____________ is the force that pulls rocks apart.
- A.
Tension
- B.
Shear
- C.
Elastic Limit
- D.
Compression
- 21.____________ is the force that causes plates to move sideways past each other.
- A.
Tension
- B.
Shear
- C.
Elastic Limit
- D.
Compression
- 22.______________ faults are caused by compressional forces.
- A.
Normal
- B.
Strike-Slip
- C.
Reverse
- D.
Elastic
- 23.______________ faults are caused by shear forces.
- A.
Normal
- B.
Strike-Slip
- C.
Reverse
- D.
Elastic
- 24.Along a(n) ________ fault, rock above the fault surface moves downward in relation to rock below the fault surface
- A.
Normal
- B.
Strike-Slip
- C.
Reverse
- D.
Elastic
- 25.The most destructive seismic waves are ________________.
- A.
Primary
- B.
Surface
- C.
Secondary
- D.
Tsunami
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