Chapter 6 Test 🏔 Flashcards

1
Q

A series of low-frequency shock waves somewhat like sound waves, traveling through the earth

A

Earthquake

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2
Q

A force exerted inside a material

A

Stress

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3
Q

The type of stress that is like crushing a soda can

A

Compression

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4
Q

The type of stress that is like pulling on a rope while someone else is also from the other side

A

Tension

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5
Q

The type of stress when forces are acting in opposite directions on different parts of the same object

A

Shear

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6
Q

When two tectonic plates spread away from each other

A

Divergent Boundary

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7
Q

When two tectonic plates move toward each other and collide

A

Convergent Boundary

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8
Q

When two tectonic plates slide past each other in opposite directions

A

Transform Boundary

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9
Q

The distortion, bending, stretching, or compression of a material under stress

A

Strain

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10
Q

When rocks under stress form cracks when they begin to fail

A

Joint

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11
Q

When a rock moves as it cracks

A

Fault

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12
Q

Geologists define the direction of a fault by its _____

A

Strike

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13
Q

The angle that Geologists measure the fault face downward from the horizontal

A

Dip

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14
Q

If a fault’s motion is parallel to its dip, then it is called a _____

A

Dip-Slip Fault

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15
Q

The type of fault where the block above the fault surface dropped in relation to the block under the fault

A

Normal Fault

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16
Q

The type of fault where the upper block rose in relation to the lower block

A

Reverse Fault

17
Q

The type of fault where the two blocks move horizontally

A

Strike-Slip Fault

18
Q

The instrument that detects seismic waves

A

Seismometer

19
Q

The fastest type of body wave

20
Q

The type of body wave that arrives second

21
Q

The type of body wave that arrives last

A

Surface Waves

22
Q

The center of an earthquake located deep underground

23
Q

The spot on the surface of the earth that is directly above the Focus

24
Q

The type of scale that measures the severity of an earthquake using its energy released

A

Richter Scale

25
The type of scale that measures the intensity of an earthquake using the destruction
MMI Scale
26
The units used to measure an earthquake using the Righter Scale
Magnitude
27
The units used to measure an earthquake using the MMI Scale
Intensity
28
What does MMI stand for?
Modified Mercalli Intensity
29
A huge wave caused by an earthquake
Tsunami