Deck 2: Energy - Warming the Earth and the Atmosphere

Full screen (f)
exit full mode
Question
The aurora usually occur more frequently above Maine than above Washington State.
Use Space or
up arrow
down arrow
to flip the card.
Question
The atmosphere near Earth's surface is "heated from below" by heat energy from Earth's interior.
Question
In the atmosphere, advection is horizontal, convection is vertical.
Question
​Good absorbers of radiation are usually poor emitters of radiation.
Question
Visible radiation is more successful in dislodging electrons from air atoms and molecules than ultraviolet radiation.
Question
Most of the solar wind emitted by the Sun never reaches Earth due to Earth's tilt.
Question
Occasionally, the aurora can be observed in the United States.
Question
A change of one degree on the Celsius scale is ____ a change of one degree on the Fahrenheit scale.​

A) ​equal to
B) ​larger than
C) ​smaller than
D) ​in the opposite direction of
E) ​insignificant in comparison to
Question
If the temperature of the air is said to be at absolute zero, one might conclude that the​

A) ​motion of the molecules is at a maximum.
B) ​molecules are occupying a large volume.
C) ​molecules contain a minimum amount of energy.
D) ​temperature is 0 °\degree F.
E) ​air temperature is 0 °\degree C.
Question
A temperature of 250 K is considered extremely hot.
Question
​Heat is transferred in Earth's atmosphere by radiation.
Question
The solar wind is not responsible for solar storms. Solar wind and solar storm are simply different names for the same phenomena.
Question
Temperature and heat describe the same characteristic of Earth's atmosphere.
Question
Even though Earth is cooler than the Sun, it emits much more radiation than the Sun.
Question
​Carbon dioxide and water vapor are called selective absorbing greenhouse gases.
Question
The infrared portion of the electromagnetic spectrum carries the most amount of energy.
Question
Without water vapor to absorb Earth's emitted infrared radiation, Earth would lose more heat.
Question
Each year, Earth's surface radiates away more energy than it receives from the Sun.
Question
Both Earth and the Sun can be treated as blackbodies.
Question
At night, low clouds weaken the atmospheric greenhouse effect.
Question
​A vertical exchange of heat is called

A) ​expansion
B) ​evaporation.
C) ​compression
D) ​condensation
E) ​convection
Question
​What is released as sensible heat during the formation of clouds?

A) ​deposition
B) longwave radiation
C) ​latent heat
D) ​shortwave radiation
E) ​sublimation
Question
​The amount of heat energy required to bring about a change in temperature in a substance is called the

A) ​radiative equilibrium.
B) dead heat.
C) ​conduction heat.
D) latent heat.
E) ​heat capacity.
Question
​The heat energy released when water vapor changes to a liquid is called

A) ​specific heat of evaporation.
B) latent heat of fusion.
C) ​latent heat of fission.
D) ​latent heat of condensation.
E) ​specific heat of condensation.
Question
​Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing because the tops of cars are cooling by a loss of

A) ​conduction.
B) ​convection.
C) ​latent heat.
D) ​radiation.
E) ​condensation.
Question
​At which temperature would Earth be radiating energy at the greatest rate or intensity?

A) ​-5 °\degree F
B) ​-40 °\degree F
C) ​60 °\degree F
D) ​32 °\degree F
E) ​105 °\degree F
Question
​Sinking air warms as a result of

A) ​compression
B) ​expansion
C) ​condensation
D) ​friction
E) ​conduction
Question
​Snow will usually melt on the roof of a home that is

A) facing south.
B) ​a good conductor of heat.
C) ​well insulated.
D) ​poorly insulated.
E) ​a poor radiator of heat
Question
​What determines the type (wavelength) and amount of radiation that an object emits?

A) ​temperature
B) thermal conductivity​
C) density​
D) ​latent heat
E) ​specific heat
Question
​Which of the following is the poorest conductor of heat?

A) ​still air
B) ​water
C) ice
D) ​snow
E) ​soil
Question
​When water changes from a liquid to a vapor, we call this process

A) ​freezing
B) condensation
C) ​sublimation
D) ​deposition
E) ​evaporation
Question
​To keep an object cool while exposed to direct sunlight,

A) ​put it inside a brown paper bag.
B) ​wrap it in black paper.
C) ​wrap it in plastic wrap.
D) wrap it in aluminum foil with the shiny side facing outward​
E) ​put it inside a clear container.
Question
​How do red and blue light differ?

A) ​Blue light has a higher speed of propagation.
B) ​The wavelength of red light is longer.
C) ​Red light has a higher intensity.
D) ​Red and blue light have different directions of propagation.
E) ​The wavelength of blue light is longer.
Question
​The processes of condensation and freezing

A) ​both release sensible heat into the environment.
B) both absorb sensible heat from the environment.
C) ​do not affect the temperature of their surroundings.
D) ​do not involve energy transport.
E) are both negative processes.
Question
​What type of energy has a wavelength shorter than that of violet light?

A) ​green visible radiation
B) ​blue visible radiation
C) ​infrared radiation
D) ​red visible radiation
E) ​ultraviolet radiation
Question
​Energy of motion is also known as

A) ​dynamic energy.
B) ​kinetic energy.
C) ​sensible heat energy.
D) ​static energy.
E) ​latent heat energy.
Question
​The temperature of a rising air parcel

A) always cools due to expansion.
B) ​always warms due to expansion.
C) ​always cools due to compression.
D) ​always warms due to compression.
E) ​remains constant.
Question
The proper order from shortest to longest wavelength is

A) ​visible, infrared, and ultraviolet.
B) ​infrared, visible, and ultraviolet.
C) ​ultraviolet, visible, and infrared.
D) ​visible, ultraviolet, and infrared.
Question
​Solar radiation reaches Earth's surface as

A) ​visible radiation only.
B) ​ultraviolet radiation only.
C) infrared radiation only.
D) ​visible and infrared radiation only.
E) ​ultraviolet, visible, and infrared radiation.
Question
Horizontal transport by the wind is called

A) ​advection
B) ​radiation
C) ​conduction
D) ​latent heat.
E) ​reflection
Question
​Without the atmospheric greenhouse effect, the average surface temperature would be

A) ​higher than at present.
B) ​lower than at present.
C) ​the same as it is now.
D) static
E) ​radiative
Question
​Which gases are primarily responsible for the atmospheric greenhouse effect in Earth's atmosphere?

A) ​oxygen and nitrogen
B) ​nitrogen and carbon dioxide
C) ​ozone and oxygen
D) ​water vapor and carbon dioxide
E) ​nitrous oxide and chlorofluorocarbons.
Question
​Most of the radiation emitted by a human body is in the form of

A) ​ultraviolet radiation and is invisible.
B) ​visible radiation but is too weak to be visible.
C) ​infrared radiation and is invisible.
D) ​humans do not emit electromagnetic radiation.
E) ​the whole electromagnetic spectrum.
Question
​Earth emits radiation with greatest intensity at

A) ​infrared wavelengths.
B) ​radio wavelengths.
C) ​visible wavelengths.
D) ​ultraviolet wavelengths.
E) ​X-ray wavelengths.
Question
​Suppose last night was clear and calm. Tonight's forecast indicates that low clouds will be present. From this, you would conclude that tonight's minimum temperature will be

A) ​higher than last night's minimum temperature.
B) ​lower than last night's minimum temperature.
C) ​the same as last night's minimum temperature.
D) ​above freezing.
E) below freezing.
Question
​Which principle best describes why melting occurs first in snow around tree trunks?

A) ​Snow is a good absorber of infrared energy.
B) ​Snow is a poor emitter of infrared energy.
C) ​Snow is a poor reflector of visible light.
D) ​Snow is a poor absorber of visible light.
E) ​Snow is a poor absorber of ultraviolet light.
Question
​The atmospheric greenhouse effect is produced mainly by the absorption and re-emission of

A) ​visible light by the atmosphere.
B) ​ultraviolet radiation by the atmosphere.
C) ​infrared radiation by the atmosphere.
D) ​visible light by clouds.
E) ​visible light by the ground.
Question
​If the amount of energy lost by Earth to space each year were not approximately equal to that received,

A) ​the atmosphere's average temperature would change.
B) ​the length of the year would change.
C) ​the Sun's output would change.
D) ​the mass of the atmosphere would change.
E) ​nothing would change.
Question
​Clouds form by the process of

A) ​sublimation
B) ​condensation
C) ​evaporation
D) ​deposition
E) ​both deposition and condensation.
Question
​The albedo of the Moon is 7 percent. This means that

A) the Moon can absorb seven times more energy than Earth.
B) ​7 percent of sunlight striking the Moon is absorbed.
C) ​the Moon emits only 7 percent as much energy as it absorbs from the Sun.
D) ​93 percent of sunlight striking the Moon is reflected.
E) ​7 percent of sunlight striking the moon is reflected.
Question
​Sunlight that bounces off a surface is said to be ____ from the surface.

A) ​radiated
B) ​absorbed
C) ​emitted
D) ​reflected
E) ​conducted
Question
Earth's radiative equilibrium temperature is the

A) ​average temperature at which Earth is absorbing solar radiation and emitting infrared radiation at equal rates.
B) ​average temperature at which Earth is radiating energy at maximum intensity.
C) ​average temperature Earth must maintain to prevent oceans from freezing solid.
D) temperature at which rates of evaporation and condensation on Earth are in balance.
E) ​temperature that humans and animals can survive in on Earth.
Question
​Earth's magnetic field protects Earth from some of the

A) ​pollutants found in the atmosphere.
B) ​dangerous ozone present in the atmosphere.
C) ​dangerous gamma rays emitted by the Sun.
D) ​ultraviolet radiation.
E) ​particles emitted by the Sun in the form of solar winds and storms.
Question
​The main process responsible for warming in the lower atmosphere is

A) the release of latent heat during condensation.
B) the conduction of heat upward from the surface.
C) ​the absorption of infrared radiation.
D) the direct absorption of sunlight by the atmosphere.
E) ​related to Earth's albedo.
Question
​On average, what percentage of solar energy striking the outer atmosphere eventually reaches Earth's surface?

A) ​5 percent
B) ​15 percent
C) ​30 percent
D) ​50 percent
E) 70 percent​
Question
​Auroras are seen

A) ​in the Northern Hemisphere only.
B) in the Southern Hemisphere only.
C) ​in both the Northern and Southern Hemispheres at high latitudes.
D) ​in both the Northern and Southern Hemispheres near the equator.
E) ​everywhere on Earth
Question
​The Sun emits its greatest intensity of radiation in the

A) ​visible portion of the spectrum.
B) ​infrared portion of the spectrum.
C) ​ultraviolet portion of the spectrum.
D) ​x-ray portion of the spectrum.
E) ​gamma ray portion of the spectrum.
Question
​The combined albedo of Earth and the atmosphere is approximately ____ percent.

A) ​4
B) ​10
C) ​30
D) ​50
E) ​90
Question
Solar winds are composed of

A) ​charged particles.
B) ​aerosols and other pollutants.
C) ​water vapor.
D) ​a variety of gases that have no charge.
E) ​eletromagnetic waves.
Question
As ocean temperatures increase, which greenhouse gas increases and enhances the atmospheric greenhouse effect, thereby illustrating a positive feedback process?

A) nitrogen​
B) ​oxygen
C) ​argon
D) ​water vapor
E) hydrogen sulfide
Question
​An increase in cloud cover surrounding Earth would ____________________ Earth's albedo, yet not necessarily lead to a lower Earth surface temperature.
Question
​In the Northern Hemisphere, we call the green-yellow light show observed in the sky the ____________________; its counterpart in the Southern Hemisphere is the ____________________.
Question
In most of the world temperature is recorded in

A) ​Fahrenheit.
B) ​Kelvin
C) ​Celsius
D) ​equal proportions - all three sclaes are used.
E) ​both Kelvin and Celsius.
Question
​What is the lowest possible temperature on any of the three common temperature scales?

A) ​-273 degrees Fahrenheit.
B) ​0 Kelvin.
C) ​-100 degrees Celsius.
D) ​-273 Kelvin.
E) -100 degrees Fahrenheit.
Question
The atmospheric greenhouse effect occurs because the atmosphere allows ____________________ radiation to pass through, but inhibits to some degree the passage of ____________________ radiation leaving Earth's surface.​
Question
​Earth's surface temperature often ____________________ on a calm night as a low cloud moves overhead.
Question
​Airlines sometimes reroute planes away from polar regions during solar storms because

A) ​radio communication can be affected by solar storms.
B) ​solar storms can lead to severe turbulence.
C) ​solar storms increase air temperature, which can present a danger.
D) ​the plane could get hit by particles.
E) ​the sky can become too bright for safe navigation.
Question
If Earth's average surface temperature were to increase, the amount of radiation emitted from Earth's surface would ____________________, and the wavelength of peak emission would shift toward ____________________ wavelengths.​
Question
The lower atmosphere is warmed from the surface upward through longwave radiation from Earth, ____________________, and ____________________.
Question
____________________ can have adverse effects on electrical systems, satellites, and radio communications.
Question
The magnetosphere is​

A) ​composed of greenhouse gases.
B) ​a thin, magnetic layer surrounding the Sun.
C) ​a tear-dropped shaped cavity when it interacts with the solar wind.
D) ​a tiny magnetic field found surrounding the particles in solar winds and storms.
E) ​the Moon's magnetic field.
Question
Temperature is a measure of the average speed of ____________________ and ____________________.​
Question
Because Earth is ____________________ than the Sun, it emits ____________________ radiation than the Sun.​
Question
A small increase in temperature results in a large ____________________ in the amount of radiation emitted because doubling the absolute temperature of an object ____________________ the maximum energy output by a factor of 16, or 24.
Question
​Normally, solar wind approaches Earth at an average speed of ____.

A) ​300 km/sec
B) ​400 km/sec
C) ​500 km/sec
D) ​100 km/sec
E) ​1000 km/sec
Question
_______________ is energy in the process of being transferred from one object to another because of the ____________________ difference between them.
Question
​The total amount of energy stored in an object is called

A) ​potential energy
B) ​kinetic energy.
C) ​heat.
D) ​temperature
E) ​pressure
Question
​Solar wind is composed of ____________________, or ____________________, travelling through space.
Question
​Most climate models predict that Earth's average surface temperature will increase by an additional ____________________ by the end of this century.
Question
​The ability or capacity to do work on some form of matter is called

A) ​temperature
B) ​latent heat.
C) ​specific heat.
D) ​heat
E) ​energy
Unlock Deck
Sign up to unlock the cards in this deck!
Unlock Deck
Unlock Deck
1/100
auto play flashcards
Play
simple tutorial
Full screen (f)
exit full mode
Deck 2: Energy - Warming the Earth and the Atmosphere
1
The aurora usually occur more frequently above Maine than above Washington State.
True
2
The atmosphere near Earth's surface is "heated from below" by heat energy from Earth's interior.
False
3
In the atmosphere, advection is horizontal, convection is vertical.
True
4
​Good absorbers of radiation are usually poor emitters of radiation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
5
Visible radiation is more successful in dislodging electrons from air atoms and molecules than ultraviolet radiation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
6
Most of the solar wind emitted by the Sun never reaches Earth due to Earth's tilt.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
7
Occasionally, the aurora can be observed in the United States.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
8
A change of one degree on the Celsius scale is ____ a change of one degree on the Fahrenheit scale.​

A) ​equal to
B) ​larger than
C) ​smaller than
D) ​in the opposite direction of
E) ​insignificant in comparison to
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
9
If the temperature of the air is said to be at absolute zero, one might conclude that the​

A) ​motion of the molecules is at a maximum.
B) ​molecules are occupying a large volume.
C) ​molecules contain a minimum amount of energy.
D) ​temperature is 0 °\degree F.
E) ​air temperature is 0 °\degree C.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
10
A temperature of 250 K is considered extremely hot.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
11
​Heat is transferred in Earth's atmosphere by radiation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
12
The solar wind is not responsible for solar storms. Solar wind and solar storm are simply different names for the same phenomena.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
13
Temperature and heat describe the same characteristic of Earth's atmosphere.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
14
Even though Earth is cooler than the Sun, it emits much more radiation than the Sun.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
15
​Carbon dioxide and water vapor are called selective absorbing greenhouse gases.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
16
The infrared portion of the electromagnetic spectrum carries the most amount of energy.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
17
Without water vapor to absorb Earth's emitted infrared radiation, Earth would lose more heat.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
18
Each year, Earth's surface radiates away more energy than it receives from the Sun.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
19
Both Earth and the Sun can be treated as blackbodies.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
20
At night, low clouds weaken the atmospheric greenhouse effect.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
21
​A vertical exchange of heat is called

A) ​expansion
B) ​evaporation.
C) ​compression
D) ​condensation
E) ​convection
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
22
​What is released as sensible heat during the formation of clouds?

A) ​deposition
B) longwave radiation
C) ​latent heat
D) ​shortwave radiation
E) ​sublimation
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
23
​The amount of heat energy required to bring about a change in temperature in a substance is called the

A) ​radiative equilibrium.
B) dead heat.
C) ​conduction heat.
D) latent heat.
E) ​heat capacity.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
24
​The heat energy released when water vapor changes to a liquid is called

A) ​specific heat of evaporation.
B) latent heat of fusion.
C) ​latent heat of fission.
D) ​latent heat of condensation.
E) ​specific heat of condensation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
25
​Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing because the tops of cars are cooling by a loss of

A) ​conduction.
B) ​convection.
C) ​latent heat.
D) ​radiation.
E) ​condensation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
26
​At which temperature would Earth be radiating energy at the greatest rate or intensity?

A) ​-5 °\degree F
B) ​-40 °\degree F
C) ​60 °\degree F
D) ​32 °\degree F
E) ​105 °\degree F
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
27
​Sinking air warms as a result of

A) ​compression
B) ​expansion
C) ​condensation
D) ​friction
E) ​conduction
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
28
​Snow will usually melt on the roof of a home that is

A) facing south.
B) ​a good conductor of heat.
C) ​well insulated.
D) ​poorly insulated.
E) ​a poor radiator of heat
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
29
​What determines the type (wavelength) and amount of radiation that an object emits?

A) ​temperature
B) thermal conductivity​
C) density​
D) ​latent heat
E) ​specific heat
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
30
​Which of the following is the poorest conductor of heat?

A) ​still air
B) ​water
C) ice
D) ​snow
E) ​soil
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
31
​When water changes from a liquid to a vapor, we call this process

A) ​freezing
B) condensation
C) ​sublimation
D) ​deposition
E) ​evaporation
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
32
​To keep an object cool while exposed to direct sunlight,

A) ​put it inside a brown paper bag.
B) ​wrap it in black paper.
C) ​wrap it in plastic wrap.
D) wrap it in aluminum foil with the shiny side facing outward​
E) ​put it inside a clear container.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
33
​How do red and blue light differ?

A) ​Blue light has a higher speed of propagation.
B) ​The wavelength of red light is longer.
C) ​Red light has a higher intensity.
D) ​Red and blue light have different directions of propagation.
E) ​The wavelength of blue light is longer.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
34
​The processes of condensation and freezing

A) ​both release sensible heat into the environment.
B) both absorb sensible heat from the environment.
C) ​do not affect the temperature of their surroundings.
D) ​do not involve energy transport.
E) are both negative processes.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
35
​What type of energy has a wavelength shorter than that of violet light?

A) ​green visible radiation
B) ​blue visible radiation
C) ​infrared radiation
D) ​red visible radiation
E) ​ultraviolet radiation
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
36
​Energy of motion is also known as

A) ​dynamic energy.
B) ​kinetic energy.
C) ​sensible heat energy.
D) ​static energy.
E) ​latent heat energy.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
37
​The temperature of a rising air parcel

A) always cools due to expansion.
B) ​always warms due to expansion.
C) ​always cools due to compression.
D) ​always warms due to compression.
E) ​remains constant.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
38
The proper order from shortest to longest wavelength is

A) ​visible, infrared, and ultraviolet.
B) ​infrared, visible, and ultraviolet.
C) ​ultraviolet, visible, and infrared.
D) ​visible, ultraviolet, and infrared.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
39
​Solar radiation reaches Earth's surface as

A) ​visible radiation only.
B) ​ultraviolet radiation only.
C) infrared radiation only.
D) ​visible and infrared radiation only.
E) ​ultraviolet, visible, and infrared radiation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
40
Horizontal transport by the wind is called

A) ​advection
B) ​radiation
C) ​conduction
D) ​latent heat.
E) ​reflection
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
41
​Without the atmospheric greenhouse effect, the average surface temperature would be

A) ​higher than at present.
B) ​lower than at present.
C) ​the same as it is now.
D) static
E) ​radiative
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
42
​Which gases are primarily responsible for the atmospheric greenhouse effect in Earth's atmosphere?

A) ​oxygen and nitrogen
B) ​nitrogen and carbon dioxide
C) ​ozone and oxygen
D) ​water vapor and carbon dioxide
E) ​nitrous oxide and chlorofluorocarbons.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
43
​Most of the radiation emitted by a human body is in the form of

A) ​ultraviolet radiation and is invisible.
B) ​visible radiation but is too weak to be visible.
C) ​infrared radiation and is invisible.
D) ​humans do not emit electromagnetic radiation.
E) ​the whole electromagnetic spectrum.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
44
​Earth emits radiation with greatest intensity at

A) ​infrared wavelengths.
B) ​radio wavelengths.
C) ​visible wavelengths.
D) ​ultraviolet wavelengths.
E) ​X-ray wavelengths.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
45
​Suppose last night was clear and calm. Tonight's forecast indicates that low clouds will be present. From this, you would conclude that tonight's minimum temperature will be

A) ​higher than last night's minimum temperature.
B) ​lower than last night's minimum temperature.
C) ​the same as last night's minimum temperature.
D) ​above freezing.
E) below freezing.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
46
​Which principle best describes why melting occurs first in snow around tree trunks?

A) ​Snow is a good absorber of infrared energy.
B) ​Snow is a poor emitter of infrared energy.
C) ​Snow is a poor reflector of visible light.
D) ​Snow is a poor absorber of visible light.
E) ​Snow is a poor absorber of ultraviolet light.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
47
​The atmospheric greenhouse effect is produced mainly by the absorption and re-emission of

A) ​visible light by the atmosphere.
B) ​ultraviolet radiation by the atmosphere.
C) ​infrared radiation by the atmosphere.
D) ​visible light by clouds.
E) ​visible light by the ground.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
48
​If the amount of energy lost by Earth to space each year were not approximately equal to that received,

A) ​the atmosphere's average temperature would change.
B) ​the length of the year would change.
C) ​the Sun's output would change.
D) ​the mass of the atmosphere would change.
E) ​nothing would change.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
49
​Clouds form by the process of

A) ​sublimation
B) ​condensation
C) ​evaporation
D) ​deposition
E) ​both deposition and condensation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
50
​The albedo of the Moon is 7 percent. This means that

A) the Moon can absorb seven times more energy than Earth.
B) ​7 percent of sunlight striking the Moon is absorbed.
C) ​the Moon emits only 7 percent as much energy as it absorbs from the Sun.
D) ​93 percent of sunlight striking the Moon is reflected.
E) ​7 percent of sunlight striking the moon is reflected.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
51
​Sunlight that bounces off a surface is said to be ____ from the surface.

A) ​radiated
B) ​absorbed
C) ​emitted
D) ​reflected
E) ​conducted
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
52
Earth's radiative equilibrium temperature is the

A) ​average temperature at which Earth is absorbing solar radiation and emitting infrared radiation at equal rates.
B) ​average temperature at which Earth is radiating energy at maximum intensity.
C) ​average temperature Earth must maintain to prevent oceans from freezing solid.
D) temperature at which rates of evaporation and condensation on Earth are in balance.
E) ​temperature that humans and animals can survive in on Earth.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
53
​Earth's magnetic field protects Earth from some of the

A) ​pollutants found in the atmosphere.
B) ​dangerous ozone present in the atmosphere.
C) ​dangerous gamma rays emitted by the Sun.
D) ​ultraviolet radiation.
E) ​particles emitted by the Sun in the form of solar winds and storms.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
54
​The main process responsible for warming in the lower atmosphere is

A) the release of latent heat during condensation.
B) the conduction of heat upward from the surface.
C) ​the absorption of infrared radiation.
D) the direct absorption of sunlight by the atmosphere.
E) ​related to Earth's albedo.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
55
​On average, what percentage of solar energy striking the outer atmosphere eventually reaches Earth's surface?

A) ​5 percent
B) ​15 percent
C) ​30 percent
D) ​50 percent
E) 70 percent​
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
56
​Auroras are seen

A) ​in the Northern Hemisphere only.
B) in the Southern Hemisphere only.
C) ​in both the Northern and Southern Hemispheres at high latitudes.
D) ​in both the Northern and Southern Hemispheres near the equator.
E) ​everywhere on Earth
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
57
​The Sun emits its greatest intensity of radiation in the

A) ​visible portion of the spectrum.
B) ​infrared portion of the spectrum.
C) ​ultraviolet portion of the spectrum.
D) ​x-ray portion of the spectrum.
E) ​gamma ray portion of the spectrum.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
58
​The combined albedo of Earth and the atmosphere is approximately ____ percent.

A) ​4
B) ​10
C) ​30
D) ​50
E) ​90
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
59
Solar winds are composed of

A) ​charged particles.
B) ​aerosols and other pollutants.
C) ​water vapor.
D) ​a variety of gases that have no charge.
E) ​eletromagnetic waves.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
60
As ocean temperatures increase, which greenhouse gas increases and enhances the atmospheric greenhouse effect, thereby illustrating a positive feedback process?

A) nitrogen​
B) ​oxygen
C) ​argon
D) ​water vapor
E) hydrogen sulfide
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
61
​An increase in cloud cover surrounding Earth would ____________________ Earth's albedo, yet not necessarily lead to a lower Earth surface temperature.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
62
​In the Northern Hemisphere, we call the green-yellow light show observed in the sky the ____________________; its counterpart in the Southern Hemisphere is the ____________________.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
63
In most of the world temperature is recorded in

A) ​Fahrenheit.
B) ​Kelvin
C) ​Celsius
D) ​equal proportions - all three sclaes are used.
E) ​both Kelvin and Celsius.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
64
​What is the lowest possible temperature on any of the three common temperature scales?

A) ​-273 degrees Fahrenheit.
B) ​0 Kelvin.
C) ​-100 degrees Celsius.
D) ​-273 Kelvin.
E) -100 degrees Fahrenheit.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
65
The atmospheric greenhouse effect occurs because the atmosphere allows ____________________ radiation to pass through, but inhibits to some degree the passage of ____________________ radiation leaving Earth's surface.​
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
66
​Earth's surface temperature often ____________________ on a calm night as a low cloud moves overhead.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
67
​Airlines sometimes reroute planes away from polar regions during solar storms because

A) ​radio communication can be affected by solar storms.
B) ​solar storms can lead to severe turbulence.
C) ​solar storms increase air temperature, which can present a danger.
D) ​the plane could get hit by particles.
E) ​the sky can become too bright for safe navigation.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
68
If Earth's average surface temperature were to increase, the amount of radiation emitted from Earth's surface would ____________________, and the wavelength of peak emission would shift toward ____________________ wavelengths.​
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
69
The lower atmosphere is warmed from the surface upward through longwave radiation from Earth, ____________________, and ____________________.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
70
____________________ can have adverse effects on electrical systems, satellites, and radio communications.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
71
The magnetosphere is​

A) ​composed of greenhouse gases.
B) ​a thin, magnetic layer surrounding the Sun.
C) ​a tear-dropped shaped cavity when it interacts with the solar wind.
D) ​a tiny magnetic field found surrounding the particles in solar winds and storms.
E) ​the Moon's magnetic field.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
72
Temperature is a measure of the average speed of ____________________ and ____________________.​
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
73
Because Earth is ____________________ than the Sun, it emits ____________________ radiation than the Sun.​
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
74
A small increase in temperature results in a large ____________________ in the amount of radiation emitted because doubling the absolute temperature of an object ____________________ the maximum energy output by a factor of 16, or 24.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
75
​Normally, solar wind approaches Earth at an average speed of ____.

A) ​300 km/sec
B) ​400 km/sec
C) ​500 km/sec
D) ​100 km/sec
E) ​1000 km/sec
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
76
_______________ is energy in the process of being transferred from one object to another because of the ____________________ difference between them.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
77
​The total amount of energy stored in an object is called

A) ​potential energy
B) ​kinetic energy.
C) ​heat.
D) ​temperature
E) ​pressure
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
78
​Solar wind is composed of ____________________, or ____________________, travelling through space.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
79
​Most climate models predict that Earth's average surface temperature will increase by an additional ____________________ by the end of this century.
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
80
​The ability or capacity to do work on some form of matter is called

A) ​temperature
B) ​latent heat.
C) ​specific heat.
D) ​heat
E) ​energy
Unlock Deck
Unlock for access to all 100 flashcards in this deck.
Unlock Deck
k this deck
locked card icon
Unlock Deck
Unlock for access to all 100 flashcards in this deck.