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Intro To Weather Practice Test for Mid Term

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Test sobre Intro To Weather Practice Test for Mid Term, creado por Christina Warner el 14/03/2017.
Christina Warner
Test por Christina Warner, actualizado hace más de 1 año
Christina Warner
Creado por Christina Warner hace casi 8 años
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Resumen del Recurso

Pregunta 1

Pregunta
Once a parcel of air rises above the lifting condensation level, the rate of cooling slows because
Respuesta
  • A. latent heat is released when water vapor condenses.
  • B. the air surrounding the parcel is cooler.
  • C. water droplets absorb visible light much better than water vapor does.
  • D. The parcel of air continues to cool at the dry adiabatic lapse rate.

Pregunta 2

Pregunta
Adiabatic Processes.....
Respuesta
  • A. Occur with the addition or loss of energy.
  • B. Are relatively uncommon in the atm
  • C. Often involve changes in both temperature and pressure
  • D. Are relatively not reversible

Pregunta 3

Pregunta
What will be the temperature of an unsaturated parcel of air at an altitude of 430 meters if it has a temperature of 10 degrees Celsius at the surface?
Respuesta
  • A. 14 degrees Celsius
  • B. 10 degrees Celsius
  • C. 5.7 degrees Celsius
  • D. 0 degrees Celsius

Pregunta 4

Pregunta
If the Environmental Lapse Rate is 5 degrees Celsius per 1000 meters and the surface temperature is 22 degrees Celsius, which of the following describes the temperature an unsaturated air parcel would have, relative to its surroundings, if it was lifted from the surface to 3000 meters?
Respuesta
  • A.Warmer than its surroundings
  • B. Colder than its surroundings
  • C. The same temperature as its surroundings
  • D. This cannot be determined from the information provided

Pregunta 5

Pregunta
The most common mechanism of cloud formation is
Respuesta
  • A. lowering the air temperature to the dew point by adiabatic cooling of rising air.
  • B. adding water vapor to the air.
  • C. mixing warm moist air with cold air.
  • D. both adding water vapor to the air and mixing warm moist air with cold air.

Pregunta 6

Pregunta
Which of the following best describes the result when a parcel of air is lifted and the Environmental Lapse Rate is greater than the dry adiabatic lapse rate?
Respuesta
  • A. Unconditionally stable air
  • B. Conditionally stable air
  • C. Absolutely stable air
  • D. Absolutely unstable air

Pregunta 7

Pregunta
This type of air will keep rising after an initial upward push.
Respuesta
  • statically stable air
  • statically neutral air
  • statically unstable air
  • air that is colder and denser than surrounding air

Pregunta 8

Pregunta
This type of air neither rises on its own following an initial lift nor sinks back to its original level.
Respuesta
  • A. statically neutral air
  • B. statically unstable air
  • C. statically stable
  • D. none of these types of air rises on its own following an initial lift nor sinks back to its original level

Pregunta 9

Pregunta
Conditionally unstable air
Respuesta
  • A. contains a mixture of absolutely stable air and absolutely unstable air.
  • B. moves through an environmental lapse rate that is between the dry adiabatic lapse rate and the wet adiabatic lapse rate.
  • C. always has a negative buoyancy.
  • D. rarely provides precipitation.

Pregunta 10

Pregunta
This type of air neither rises on its own following an initial lift nor sinks back to its original level.
Respuesta
  • A. statically neutral air
  • B. statically unstable air
  • C. statically stable
  • D. none of these types of air rises on its own following an initial lift nor sinks back to its original level

Pregunta 11

Pregunta
The environmental lapse rate typically decreases at night because
Respuesta
  • A. the surface cools more rapidly than the air aloft.
  • B. the surface absorbs more longwave radiation than the air aloft.
  • C. the surface absorbs less longwave radiation than the air aloft.
  • D. the surface cools more slowly than the air aloft.

Pregunta 12

Pregunta
Ascending parcels of unstable air seldom extend above the tropopause because
Respuesta
  • the stratosphere is extremely stable.
  • the stratosphere is extremely unstable.
  • the troposphere is extremely stable.
  • the troposphere is extremely unstable.

Pregunta 13

Pregunta
An inversion
Respuesta
  • implies that a layer of air is unstable.
  • indicates that a layer of air is stable.
  • has no significance as far as a meteorologist is concerned.
  • means that a layer of air is overturning.

Pregunta 14

Pregunta
In which environment is an air parcel most likely to rise?
Respuesta
  • Absolutely stable
  • Absolutely unstable
  • At the condensation level
  • Conditionally unstable

Pregunta 15

Pregunta
Radiation fog
Respuesta
  • does not form if there is any wind.
  • disappears through "lifting."
  • is the type of fog that envelops San Francisco in the summer.
  • occurs most often on cloudless nights.

Pregunta 16

Pregunta
Advection fog
Respuesta
  • occurs when warm air passes over a cool surface.
  • is the result of adiabatic cooling.
  • rarely travels more than 100 meters from its point of origin.
  • is responsible for the Tule fog of the Central Valley of California.

Pregunta 17

Pregunta
The high incidence of fog in the Pacific northwest is primarily due to (there is a picture)
Image:
c1611487-3d5a-4d4c-a0ab-0bac37dc3b97 (image/png)
Respuesta
  • a. very strong winds
  • b. orographic lifting.
  • c. the advection of moist oceanic air over cold surfaces.
  • d. reduced amounts of daylight at these high northern latitudes.

Pregunta 18

Pregunta
The [blank_start]_____________[blank_end] cloud type can form from air converging and rising vertically (clouds of vertical development), and is associated with heavy downpours of rain.
Respuesta
  • Cumulonimbus
  • Nimbus
  • Stratus
  • Alto
  • High
  • Cirrus

Pregunta 19

Pregunta
The _______ cloud type can form from air converging and rising vertically (clouds of vertical development), and is associated with heavy downpours of rain. The [blank_start]______[blank_end] form of clouds produces the heaviest precipitation. _______ clouds would most commonly be associated with orographic lifting along mountain ranges. A cloud that occupies a range of approximately 8,000 to 10,000 feet would have the prefix _________
Respuesta
  • Nimbus
  • Cumulonimbus
  • Alto
  • High
  • Stratus
  • Cirrus

Pregunta 20

Pregunta
Label the clouds
Image:
12d18a4b-6800-4d39-8f87-89b842ffa57f (image/jpeg)
Respuesta
  • altocumulus
  • stratus
  • altostratus
  • cirrus
  • cumulonimbus

Pregunta 21

Pregunta
Drag the appropriate labels to their respective target on the cold front
Image:
41471052-76f7-4e09-8fb9-a378a9cb56cc (image/jpeg)
Respuesta
  • Cirrus
  • Stratus
  • Cumulonimbus
  • Alto Stratus

Pregunta 22

Pregunta
warm front
Image:
ee6bcc7f-a0c5-484c-98e2-56c88aab4adc (image/jpeg)
Respuesta
  • Stratus
  • Altostratus
  • Cirrus
  • Alto
  • Cumu

Pregunta 23

Pregunta
Hail formation is associated with
Respuesta
  • cumulonimbus.
  • cumulus.
  • stratocumulus.
  • nimbostratus.

Pregunta 24

Pregunta
This is not a form of low cloud.
Respuesta
  • nimbostratus
  • stratus
  • nimbocumulus
  • stratocumulus

Pregunta 25

Pregunta
Cirrostratus clouds
Respuesta
  • contain a mixture of ice crystals and supercooled water droplets.
  • are formed by wind shear.
  • are responsible for the halo effect.
  • are more likely to herald coming precipitation than are cirrocumulus clouds.

Pregunta 26

Pregunta
Which of the following pairs of clouds are the primary precipitation-producing ones?
Respuesta
  • altostratus and nimbostratus
  • stratocumulus and cumulonimbus
  • stratus and nimbostratus
  • nimbostratus and cumulonimbus

Pregunta 27

Pregunta
Stratus clouds
Respuesta
  • have a high-water content.
  • are a most responsible for colorful sunsets.
  • form only from the adiabatic lifting of air.
  • can form sheets up to several hundred miles long.

Pregunta 28

Pregunta
Cumulus congestus
Respuesta
  • have large temperature differences between the bottom and top.
  • do not have temperatures below about -4 degrees Celsius.
  • are formed in stable air, typically in inversion layers.
  • are composed entirely of supercooled water droplets.

Pregunta 29

Pregunta
Which of the following are not in the High Cloud group?
Respuesta
  • cirrus
  • altostratus
  • cirrocumulus
  • cirrostratus

Pregunta 30

Pregunta
Stratocumulus clouds are considered
Respuesta
  • clouds with extensive vertical development.
  • low clouds.
  • middle clouds
  • high clouds

Pregunta 31

Pregunta
High clouds
Respuesta
  • have a typical ceiling around 4500 meters.
  • are composed of ice crystals.
  • include altostratus clouds.
  • have a fairly large water content.

Pregunta 32

Pregunta
Lenticular clouds
Respuesta
  • result in a substantial net accumulation of moisture within the clouds.
  • usually form over gently sloping plains.
  • have linear shapes.
  • are the result of waves in the air flow.

Pregunta 33

Pregunta
have linear shapes.
Respuesta
  • provide smooth flying for commercial airliners.
  • are prevented by the tropopause from entering the stratosphere.
  • are typically composed of ice near the bottoms of the clouds.
  • can span nearly the entire troposphere.

Pregunta 34

Pregunta
Label the Chart with drop downs
Image:
e3b534c3-4566-4994-94c6-4d4b5e7ec75f (image/jpeg)
Respuesta
  • Percipitation
  • Rain Cloud
  • Surface runoff
  • Infiltration
  • Evapotranspiration
  • Evaporation
  • Cloud Formation

Pregunta 35

Pregunta
Label the picture
Image:
ca8deec6-fec6-4425-a910-fad0aaff79bd (image/jpeg)
Respuesta
  • Rain Cloud
  • Infiltration
  • Evapotranspiration
  • Cloud Formation
  • Evaporation
  • surface runoff

Pregunta 36

Pregunta
Place Labels: - Water Table - Zone of Soil Moisture - Unsaturated Zone - Saturated Zone - Material of high porosity & permeability - Material of low porosity & permeability
Image:
ca00120c-555b-454a-b8e2-0dd3c3676467 (image/jpeg)
Respuesta
  • Unsaturated Zone
  • Zone of Soil Moisture
  • Saturated Zone
  • Water Table
  • Material of high porosity & permeability

Pregunta 37

Pregunta
The residence time of water in the atmosphere is about
Respuesta
  • 12 hours
  • 100 days
  • 10 days
  • 1 day

Pregunta 38

Pregunta
Liquid water at the ground does not always flow along the land surface, but instead penetrates into the ground in the process called
Respuesta
  • transpiration
  • interception
  • infiltration
  • both interception and infiltration

Pregunta 39

Pregunta
Water is unique because
Respuesta
  • its coefficient of expansion as it freezes is linear.
  • it exists in all three states naturally at the same time.
  • it vaporizes at a very low temperature.
  • it can be forced through pipes at considerable pressure.

Pregunta 40

Pregunta
Saturation
Respuesta
  • occurs when the condensation rate equals the evaporation rate.
  • is a state of disequilibrium.
  • occurs even when there are still substantial fluctuations in the concentration of water vapor above the surface.
  • requires the presence of other gases besides water vapor.

Pregunta 41

Pregunta
Saturation vapor pressure is dependent upon this variable.
Respuesta
  • air pressure
  • temperature
  • air composition
  • time of day

Pregunta 42

Pregunta
Specific humidity
Respuesta
  • is a ratio of one mass to another mass.
  • is temperature dependent.
  • typically has values of 10 percent or greater.
  • has little use for scientific studies.

Pregunta 43

Pregunta
Humidity
Respuesta
  • is measured only one way.
  • is unrelated to the vapor pressure of water.
  • is a measure of only the water vapor in the air.
  • applies to water, whether solid, liquid, or vapor.

Pregunta 44

Pregunta
When the relative humidity is 100 percent
Respuesta
  • the specific humidity is greater than the saturation specific humidity
  • water will condense out of the air.
  • evaporation ceases.
  • the saturation specific humidity is greater than the specific humidity.

Pregunta 45

Pregunta
Relative humidity
Respuesta
  • is independent of air temperature.
  • depends on the actual amount of water vapor.
  • can change substantially during the course of a day.
  • allows easy comparison of water vapor at different locations.

Pregunta 46

Pregunta
As the temperature increases, generally, the relative humidity
Respuesta
  • is unaffected
  • is erratic
  • increases
  • decreases

Pregunta 47

Pregunta
The relative humidity can increase or decrease even though the water vapor content doesn't change because
Respuesta
  • relative humidity is temperature dependent.
  • relative humidity is tied to the amount of dry air present in the sample considered.
  • relative humidity is directly dependent on cloud cover.
  • water vapor is a locally conservative property of the atmosphere

Pregunta 48

Pregunta
Water vapor amounts are generally lower during winter because
Image:
1db62022-f260-48af-9df9-e92a8824da79 (image/png)
Respuesta
  • weaker winds reduce the atmosphere's ability to contain water vapor.
  • colder temperatures increase the atmosphere's ability to contain water vapor.
  • stronger winds reduce the atmosphere's ability to contain water vapor.
  • colder temperatures reduce the atmosphere's ability to contain water vapor.

Pregunta 49

Pregunta
Higher amounts of water vapor are found near the Gulf of Mexico because
Image:
9d56869e-d6ef-42cd-81a6-ed9f9d38b7f9 (image/png)
Respuesta
  • the Gulf's low water temperature promotes condensation.
  • the Gulf's high water temperature promotes condensation.
  • the Gulf's high water temperature promotes evaporation.
  • the Gulf's low water temperature promotes evaporation.

Pregunta 50

Pregunta
Which of the following does NOT describe a way in which air can become saturated?
Respuesta
  • Lowering the temperature down to the dew point
  • Moist Air
  • Decreasing the relative humidity to 0 percent
  • Mixing cold air with warm air

Pregunta 51

Pregunta
The effect of humidity and high temperature on human comfort is given by the
Respuesta
  • heat index.
  • moisture index.
  • cooling degree-days.
  • heating degree-days.

Pregunta 52

Pregunta
Which of the following pairs of change-of-state processes bypass the liquid state of water?
Respuesta
  • evaporation and condensation
  • sublimation and deposition
  • freezing and melting
  • freezing and condensation

Pregunta 53

Pregunta
What would be the best time of day to water a lawn to minimize the evaporation of water from the surface of the grass, assuming the dew point temperature remained constant?
Image:
6c672135-d660-4546-b8ee-4016bf971256 (image/png)
Respuesta
  • 9am
  • 3pm
  • 6am
  • 9pm

Pregunta 54

Pregunta
What is the most effective index of water vapor content?
Respuesta
  • precipitation
  • dew point
  • absolute humidity
  • relative humidity

Pregunta 55

Pregunta
The dew point
Respuesta
  • is not a very effective indicator of water vapor content.
  • is high when there is little water vapor in the air.
  • can be used with air temperature to indicate the value of relative humidity.
  • can be higher than the current air temperature.

Pregunta 56

Pregunta
Why is the sky blue?
Respuesta
  • Mie scattering by particles in the atmosphere
  • Rayleigh scattering of solar radiation by air molecules
  • Absorption by air molecules
  • Solar reflection off of the oceans

Pregunta 57

Pregunta
The difference between "Rayleigh" scattering and "Mie" scattering is
Respuesta
  • the wavelengths of the incoming radiation.
  • the size of the scattering particulates.
  • the length of time the Sun shines.
  • the wavelength of the incoming radiation and the size of the scattering particulates.

Pregunta 58

Pregunta
Albedo
Respuesta
  • is the same for all geographic features.
  • is high for sand and dirt.
  • is high for ice, snow and thick clouds.
  • varies with latitude and not the various surfaces.
  • is high for water.

Pregunta 59

Pregunta
The planetary albedo of the earth is
Respuesta
  • 50%
  • 7%
  • 30%
  • 15%

Pregunta 60

Pregunta
The radiation emitted by Earth
Respuesta
  • is in the form of radio waves.
  • had its origin in radioactive elements in the earth's interior.
  • has little effect on the earth's energy budget.
  • is primarily absorbed by the atmosphere.

Pregunta 61

Pregunta
Water vapor is the primary carrier of
Respuesta
  • radiative heat transfer.
  • latent heat.
  • small pox.
  • conductive heat transfer.

Pregunta 62

Pregunta
Sweating cools people because
Respuesta
  • it involves a transfer of sensible heat.
  • it utilizes evaporative cooling.
  • colder molecules in a passing wind adhere to the wet skin.
  • it changes the heat capacity of the body.

Pregunta 63

Pregunta
Greenhouse gases
Respuesta
  • did not exist in significant concentrations until the coming of the Industrial Age.
  • cause the earth to have much wider swings in daily temperature ranges than if the gases were not present.
  • keep the earth at a comfortable temperature.
  • are good absorbers of shortwave radiation.

Pregunta 64

Pregunta
The region with the greatest difference between summer and winter average temperatures would be
Respuesta
  • eastern Siberia.
  • central Australia.
  • north Africa.
  • northern North America.

Pregunta 65

Pregunta
Compared to land, water bodies
Respuesta
  • are more greatly influenced by continentality
  • have a lower specific heat.
  • cool more slowly.
  • warm more quickly.

Pregunta 66

Pregunta
The range of daily temperatures is ________ during cloudy conditions because ________.
Respuesta
  • enlarged; clouds reduce both the incoming shortwave radiation and the outgoing longwave radiation
  • reduced; clouds reduce both the incoming shortwave radiation and the outgoing longwave radiation
  • reduced; clouds reduce the incoming shortwave radiation and increase the outgoing longwave radiation
  • enlarged; clouds reduce the incoming shortwave radiation and increase the outgoing longwave radiation

Pregunta 67

Pregunta
Solar noon is typically not the warmest time of the day because
Image:
a2ea4cc7-f4ea-468e-991d-5c37b39108cc (image/jpeg)
Respuesta
  • surface temperature increases as long as the energy gained by the surface is less than the energy lost.
  • surface temperature increases as long as the energy gained by the surface is greater than the energy lost.
  • surface temperature decreases as long as the energy gained by the surface is greater than the energy lost.
  • surface temperature decreases as long as the energy lost by the surface is greater than the energy lost.

Pregunta 68

Pregunta
The ________ attempts to tell us what it "feels like" in cold, windy conditions.
Respuesta
  • Heat Index
  • Growing Degree-Days
  • Cooling Degree-Days
  • Wind Chill Index

Pregunta 69

Pregunta
Latent heat released during dew formation is [blank_start]_______[blank_end] the latent heat required for water to freeze from its liquid state.
Respuesta
  • More Than
  • Less Than
  • Same As

Pregunta 70

Pregunta
The latent heat released during rainfall is [blank_start]______[blank_end] the latent heat released during snowfall.
Respuesta
  • More than
  • Less than
  • Same As

Pregunta 71

Pregunta
Latent heat [blank_start]_____[blank_end] during evaporation of lake water is same as the latent heat released during fog formation.
Respuesta
  • More Than
  • Same as
  • Less Than

Pregunta 72

Pregunta
Latent heat is [blank_start]_____[blank_end] during glacial melt.
Respuesta
  • Released
  • Absorbed

Pregunta 73

Pregunta
Latent heat is _[blank_start]____[blank_end] during frost formation.
Respuesta
  • Absorbed
  • Released

Pregunta 74

Pregunta
The atmosphere is a(n)
Respuesta
  • absorber of all radiation equally.
  • inferior absorber of x-rays.
  • selective absorber.
  • blackbody absorber.

Pregunta 75

Pregunta
This method of energy transfer does not involve the net movement of particles or waves in the direction of energy transfer:
Respuesta
  • convection.
  • radiation.
  • conduction.
  • All three of the above involve the movement of particles.

Pregunta 76

Pregunta
Convection
Respuesta
  • involves mixing in a fluid.
  • does not involve an actual transfer of energy.
  • involves potential energy only.
  • is another term for conduction.

Pregunta 77

Pregunta
Energy is traditionally defined as the ability to
Respuesta
  • do work.
  • cause acceleration.
  • create movement.
  • none of the above

Pregunta 78

Pregunta
Ultraviolet, visible, and infrared are all types of radiation with different
Respuesta
  • wavelengths.
  • latent heat.
  • potential energy.
  • gravity

Pregunta 79

Pregunta
This is a form of kinetic energy:
Respuesta
  • electrical power.
  • a charged battery not in use
  • firewood
  • water behind a dam

Pregunta 80

Pregunta
Which of the following statements describes the Stefan-Boltzmann Law?
Respuesta
  • The law demonstrates that a cooler body will radiate with greater intensity than will a hotter body.
  • The law quantifies the intensity of emitted radiation by an object in Watts per square meter.
  • It does not apply to blackbodies.
  • It is derived from Wien's Law.

Pregunta 81

Pregunta
At the speed of light, energy from the sun takes how much time to reach the Earth?
Respuesta
  • 30 seconds
  • 24 minutes
  • 8 minutes
  • 1 second

Pregunta 82

Pregunta
The single factor that determines how much energy a blackbody radiates is its
Respuesta
  • size
  • diameter
  • temperature
  • distance

Pregunta 83

Pregunta
The visible light spectrum is bounded by these two types of radiation:
Respuesta
  • ultraviolet and near infrared.
  • x-ray and radio wave.
  • microwave and gamma ray.
  • x-ray and thermal infrared.

Pregunta 84

Pregunta
Why is summer generally a warmer season than winter?
Respuesta
  • A hemisphere experiencing summer is tilted towards the sun.
  • There is more land in the Northern Hemisphere.
  • Earth's orbit is elliptical.
  • Earth is closer to the Sun during summer.

Pregunta 85

Pregunta
Most areas in the Northern Hemisphere receive the greatest intensity of solar energy during which time of year?
Respuesta
  • The June solstice
  • The vernal equinox
  • The winter solctice
  • The March equinox

Pregunta 86

Pregunta
The Earth is actually the farthest from the sun on
Respuesta
  • January 3rd
  • July 4th
  • April 1st
  • December 25th

Pregunta 87

Pregunta
The Tropic of Capricorn is directly under the Sun during the
Respuesta
  • March equinox.
  • December solstice.
  • June solstice.
  • September equinox.

Pregunta 88

Pregunta
The earth's axis of rotation is tilted roughly this number of degrees away from a line perpendicular to the plane of the earth's orbit:
Respuesta
  • 90
  • 5.3
  • 23.5
  • 11.2

Pregunta 89

Pregunta
At perihelion the earth is ________ closer to the sun than at Aphelion.
Respuesta
  • 30$
  • 3%
  • 0.3%
  • 0.000003%

Pregunta 90

Pregunta
Of the following, which latitude would experience the fewest hours of daylight on the June solstice?
Respuesta
  • 60 degrees South
  • 20 degrees South
  • 0 degrees (the equator)
  • 60 degrees North

Pregunta 91

Pregunta
The peak of the Earth's emission is ________, while the sun's peak is 0.5 microns.
Respuesta
  • 0.1 microns
  • 100 microns
  • 1 micron
  • 10 microns

Pregunta 92

Pregunta
Choose the correct listing of radiation from the longest wavelengths to the shortest wavelengths:
Respuesta
  • x-rays, ultraviolet, infrared, gamma rays, visible, radio.
  • gamma rays, radio, ultraviolet, infrared, visible, x-rays.
  • radio, infrared, visible, ultraviolet, x-rays, gamma rays
  • radio, gamma rays, ultraviolet, visible, infrared, x-rays.

Pregunta 93

Pregunta
The measurement used to specify wavelengths is called the
Respuesta
  • nanometer.
  • micrometer
  • decameter.
  • macrometer.

Pregunta 94

Pregunta
According to the Stefan-Boltzmann Law, if the absolute temperature of an object quadruples, the maximum energy emitted goes up by a factor of how much?
Respuesta
  • 4
  • 16
  • 256
  • 64

Pregunta 95

Pregunta
Which of the following temperature scales is the only one to begin at the zero point?
Respuesta
  • Fahrenheit
  • Celsius
  • Argon
  • Kelvin

Pregunta 96

Pregunta
Calculate the average decrease in temperature per km (lapse rate) from the surface to the top of the troposphere.
Respuesta
  • 3.6 degrees C per km
  • 6.5 degrees C per km
  • 8.3 degrees C per km
  • 11.8 degrees C per km

Pregunta 97

Pregunta
Minus 273.16 degrees Celsius equals how many Kelvins?
Respuesta
  • 0 K
  • 32 K
  • 100 K
  • 212 K

Pregunta 98

Pregunta
Minus 20 degrees Fahrenheit is equal to how many degrees Celsius?
Respuesta
  • -29 degrees C
  • -52 degrees C
  • 52 degrees C
  • 29 degrees C

Pregunta 99

Pregunta
Which of the following has the longest wavelength?
Respuesta
  • GAMMA
  • RADIO
  • ULTRAVIOLET
  • THERMAL INFRARED

Pregunta 100

Pregunta
The atmosphere is a mixture of
Respuesta
  • gas molecules, small particulates, and moisture.
  • precipitation and air.
  • particulate matter and water.
  • moisture and gas molecules only.

Pregunta 101

Pregunta
The most costly average annual weather event is
Respuesta
  • floods.
  • tornadoes.
  • extreme hot or cold episodes.
  • hurricanes.

Pregunta 102

Pregunta
The scientific method may be trusted because
Respuesta
  • it is an extremely strict process.
  • its value has been proven over centuries of use.
  • it has several logical steps.
  • it led to the invention of the computer.

Pregunta 103

Pregunta
The scientific method, a framework for answering scientific questions, is essentially
Respuesta
  • a large collection of facts.
  • a strict procedure for proving the truth of something.
  • a way to verify facts that are already known.
  • a convention regarding what it means to "know" something.

Pregunta 104

Pregunta
According to the scientific method, a hypothesis
Respuesta
  • must have already been tested in previous experiments.
  • must always be understandable to the layperson.
  • must lead to predictions.
  • must be phrased in highly technical jargon.

Pregunta 105

Pregunta
The scientific method can only disprove a hypothesis because
Respuesta
  • the hypothesis must constantly be revised.
  • experiments must be performed several times before a hypothesis is considered proven.
  • if the prediction is correct, other explanations cannot be ruled out.
  • they might be accepted as scientific theory.

Pregunta 106

Pregunta
According to the scientific method, an experiment
Respuesta
  • must always be performed by researchers with good reputations.
  • must produce data that allows the prediction to be evaluated.
  • must always be performed in a laboratory setting.

Pregunta 107

Pregunta
Relatively speaking, the earth's atmosphere is
Respuesta
  • stops when we reach "space."
  • stops at the top of the troposphere.
  • very thin when compared to the earth's diameter.
  • very thick when compared to the earth's diameter.

Pregunta 108

Pregunta
Compared to the size of the earth, the atmosphere is very thin because
Respuesta
  • most of the air molecules float off into space.
  • the sun can't penetrate through the clouds.
  • it is highly compressed.
  • the clouds hold the air close to the surface.

Pregunta 109

Pregunta
The depth of the atmosphere is approximately what percentage of Earth's thickness from the center?
Respuesta
  • 0.027 %
  • 2.7 %
  • 27 %
  • 36 %

Pregunta 110

Pregunta
Of the following atmospheric layers, which is the most effective at shielding the Earth's surface from harmful ultraviolet radiation?
Respuesta
  • Mesosphere
  • Tropopause
  • Troposphere
  • Stratosphere

Pregunta 111

Pregunta
Identify the four atmospheric layers (from lowest to highest) that are distinguished by their temperature profiles.
Respuesta
  • Troposphere, tropopause, mesopause, ionosphere
  • Troposphere, stratosphere, mesosphere, ionosphere
  • Troposphere, mesosphere, thermosphere, stratopause
  • Troposphere, stratosphere, mesosphere, thermosphere

Pregunta 112

Pregunta
This is the most abundant gas in the atmosphere.
Respuesta
  • water vapor
  • oxygen
  • nitrogen
  • carbon dioxide

Pregunta 113

Pregunta
Water vapor
Respuesta
  • can comprise up to five percent of the total mass of the atmosphere.
  • has evaporation as its primary source.
  • does not absorb infrared radiation.
  • typically increases in concentration at higher altitudes within the troposphere.

Pregunta 114

Pregunta
Carbon dioxide
Respuesta
  • comprises up to two percent of the atmospheric gases.
  • is removed from the atmosphere by photosynthesis.
  • is not present in significant amounts in the atmosphere of Venus.
  • is being removed from the atmosphere faster than it is being inputted.

Pregunta 115

Pregunta
The mass of a given substance contained in a unit of volume is referred to as which of the following?
Respuesta
  • Density
  • Escape velocity
  • Weight
  • Pressure

Pregunta 116

Pregunta
The highest temperatures are typically found in the
Respuesta
  • stratosphere.
  • troposphere.
  • thermosphere.
  • mesosphere

Pregunta 117

Pregunta
The "stratosphere" warms because of
Respuesta
  • the injection of moisture by meteors.
  • the injection of moisture by high-flying jet aircraft.
  • dust and dirt deposited by volcanoes
  • the interaction of ozone and ultraviolet light.

Pregunta 118

Pregunta
An inversion
Respuesta
  • never occurs in the atmosphere.
  • refers to a temperature increase with height.
  • promotes upward motion in the atmosphere
  • refers to a temperature increase with height and inhibits upward motion in the atmosphere.

Pregunta 119

Pregunta
The difference between the atmosphere's "permanent" gasses and "variable" gasses is that
Respuesta
  • permanent gasses exhibit a constant proportion from the earth's surface to higher reaches of the atmosphere.
  • variable gasses are dependent on storms for world-wide dispersion.
  • permanent gasses exchange rapidly between the atmosphere and the biosphere.
  • variable gasses are so called because of their horizontal displacement.

Pregunta 120

Pregunta
Temperatures generally decrease with height in which layers of the atmosphere?
Respuesta
  • Stratosphere and troposphere
  • Troposphere and mesosphere
  • Stratosphere and thermospherE
  • Mesosphere and stratosphere

Pregunta 121

Pregunta
This is NOT a variable gas.
Respuesta
  • argon
  • ozone
  • water vapor
  • carbon dioxide

Pregunta 122

Pregunta
Which of the following gases are crucial to the existence of all forms of life?
Respuesta
  • oxygen
  • carbon dioxide
  • argon
  • nitrogen

Pregunta 123

Pregunta
Which of the following will increase given an increase in pressure?
Respuesta
  • volume
  • density
  • mass
  • both mass and volume

Pregunta 124

Pregunta
Which of the following is the primary difference between weather and climate?
Respuesta
  • Weather deals with long-term changes, and climate does not.
  • They are both the same.
  • Weather deals with the instantaneous effects on Earth, whereas climate is over a period of 30 years.
  • Climate deals with only temperature patterns over the span of a week.
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