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EARTHQUAKE > QUIZ 4.3 > Flashcards

QUIZ 4.3 Flashcards

1
Q

In _____, the oldest and thickest ice in the _____started to break due to

_____-change driven heat wave.

A

2018
ARCTIC
CLIMATE

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2
Q

a _____ wave that is capable of
producing an auditory sensation

A

SOUND

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3
Q

sound propagates through _____, liquid, or gas

A

SOLID

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4
Q

velocity of sound waves varies with
the medium’s _____and _____

A

ELASTICITY
DENSITY

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5
Q

ability of a material to undergo temporary
change in its size, shape, or volume when a
force is applied to it

A

ELASTICITY

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6
Q

the ratio of the force applied per unit
area of the material to a fractional change in its size, shape, or volume

A

ELASTIC MODULUS

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7
Q

high elastic modulus means _____
force is needed to deform the material

A

GREATER

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8
Q

sound waves travel _____through
a mediums with high elastic modulus

A

FASTER

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9
Q
  • mass of a material per unit
    volume
A

DENSITY

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10
Q

unlike elasticity, the density of a
material has an _____effect
on the speed of sound waves
through it

A

OPPOSITE

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11
Q

the denser the material, the
_____the sound waves
propagate

A

SLOWER

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12
Q

sound travels _____in solids and _____in gases

A

FASTEST
SLOWEST

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13
Q

molecules in a solid are _____together, allowing them to collide
quickly with one another as sound moves through them

A

CLOSER

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14
Q

_____ of solids are greater than that of liquids and gases

A

ELASTIC MODULI

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15
Q

Fluids refer to _____and _____

A

LIQUID OR GASES

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16
Q

Liquids and gases do not have _____

A

YOUNGS MODULUS

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17
Q

in liquids and gases instead of young’s modulus it is

A

BULK MODULUS

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18
Q

For gases, bulk modulus is _____to pressure multiplied by the ratio of
specific heat of the gas at constant pressure to the specific heat of the gas
at constant volume.

A

EQUAL

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19
Q

does temperature affect speed of sound

A

YES

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20
Q

Increasing the temperature _____density in as much as the
material expands

A

DECREASES

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21
Q

Sound travels faster at _____temperatures

A

HIGHER

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22
Q

change of speed=

A

CHANGE IN MEDIUM

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23
Q

geologists have detected an abrupt
increase in the wave at a depth of __
km

A

35

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24
Q

sound waves travel more slowly in
_____than in _____,

A

LIQUID
SOLID

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25
geologists have theorized that the outer core must be _____ or _____
LIQUID SEMILIQUID
26
geologists believe that the inner core is _____
SOLID
27
an underwater system for detecting and locating objects by means of echo, a reflected sound
SONAR
28
if the speed of source is less than the speed of sound in the medium, the speed of the source is
SUBSONIC
29
if the speed of source is greater than the speed of sound in the medium, the speed of the source is
SUPERSONIC
30
who made mach number
ERNST MACH
31
When the speed of the source exceeds the speed of sound, it is said to _____
BREAK SOUND BARRIER
32
_____ waves are waves that can travel in any medium and in a vacuum
ELECTRO MAGNETIC
33
frequency is measured
HERTZ /HZ
34
wavelength is measured in _____
NANOMETERS/ NM
35
arranged in order of decreasing wavelength that is called _____
ELECTROMAGNETIC SPECTRUM
36
_____has the least energy
RED LIGHT
37
_____ has the greatest energy
VIOLET LIGHT
38
happens when particles of a medium interact with light, causing the latter to be in many directions
SCATERRING OF LIGHT
39
is the turning back of light into the same medium after striking a surface.
REFLECTION
40
reflected light is deflected in only _____ direction
ONE
41
is the bending of light when it passes from one medium to another at different speeds.
REFRACTED
42
the amount of bending depends on the _____of refraction of the two media.
INDEX
43
greater index of refraction means _____
GREATER BENDING OF LIGHT
44
_____ is the ratio of the speed of light in air or a vacuum to the speed of light in a material
INDEX OF REFRACTION
45
takes place when light transfers some or all of its energy to the medium
ABSORPTION OF LIGHT
46
transmission of light occurs when light passes through a material where ______ or ______of its energy is being absorbed
SOME OR NONE
47
the splitting of white light into its constituent colors
DISPERSION
48
the more energy the less _____
WAVELENGTH
49
mnemonic for remembering the order of colors in the spectrum (band of colors)
ROYGBIV
50
First discovered that white light is a combination of all colors
ISAAC NEWTON
51
formed when sunlight passes through water droplets suspended in air
RAINBOW
52
first gave a detailed explanation of the formation of a rainbow by mathematically tracing the path of light in a spherical drop of water
RENE DESCARTE
53
most commonly seen rainbow and appears as a single, bright band of colors
PRIMARY RAINBOW
54
angle __ ° for red and __° for violet
42 40
55
a fainter and less commonly seen rainbow that appears as a second opposite color order
SECONDARY RAINBOW
56
secondary rainbow red= violet=
50 54
57
is there end of rainbow
NO
58
_____is the bending of light around an obstacle and the subsequent spreading of light waves into the region behind the obstacle
DIFFRACTION
59
In 1650, he was the first to report diffraction of light by an obstacle
FRANCESCO GRIMALDI
60
In 1821, he developed the diffraction grating
JOSEPH FRAUNHOFER
61
_____wavelengths are diffracted more than _____ wavelengths
LONGER SHORTER
62
atoms making up an object are connected by springs that can vibrate at a specific frequency called _____
NATURAL FREQUENCY
63
Based on the_____, molecules making up a body are always moving
KINETIC THEORY OF MATTER
64
the most common type of thermometer
LIQUID-IN-GLASS-THERMOMETER
65
consists of two different wires, usually copper and iron
THERMOCOUPLE
66
measures the temperature by changes in electrical resistance
RESISTANCE THERMOMETER
67
makes use of pressure changes with temperature
CONSTANT VOLUME GAS THERMOMETER
68
makes use of a sensor to measure temperature
ELECTRONIC THERMOMETER
69
measures temperature by the amount of radiation emitted
PYROMETER
70
an early theory on heat was called _____
CALORIC THEORY
71
a form of energy that is transferred from one body to another due to temperature difference
HEAT
72
in solids, cohesion is _____ * in liquids, cohesion is _____ * in gases, cohesion is_____
VERY STRONG LESS THAN IN SOLID VERY WEAK
73
the heat needed to change the state of a body is called
LATENT HEAT
74
A
A

EARTHQUAKE (24 decks)

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