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Questions and Answers

An example of an absolute location is

  • anywhere on Earth's surface
  • 400 kilometers (250 mi ) southwest of chicago
  • downstream from the glen Canyon Dam
  • 40 degrees north latitude and 90 degrees west longitude (correct)
  • Earth's first atmosphere ( approximatey 4.6 billion years ago) was most likey composed of _

  • oxygen and carbon dioxide
  • hydrogen and helium (correct)
  • carbon dioxide and nitrogen
  • nitrogen and oxygen
  • Atmospheric concentrations of __ can vary significantly depending on time and location

  • argon
  • helium
  • hydrogen
  • carbon dioxide (correct)
  • The minimum daily temperature typically occurs at__.

    <p>sunrise</p> Signup and view all the answers

    Pike's Peak is located 36 kilometers( 22 mi ) west of Colorado Springs. What is this statement describing?

    <p>relative location</p> Signup and view all the answers

    The point on Earth's orbit around the Sun when the two bodies are farthest apart is called

    <p>aphelion</p> Signup and view all the answers

    Together, the intensity and_ of solar radiation are two major factors that influence the warming and cooling of places on Earth during the days and over the seasons.

    <p>duration</p> Signup and view all the answers

    The most variable of the atmospheric gases is __ which can range from 0.02 % to 4% by volume.

    <p>water vapor</p> Signup and view all the answers

    Lines of latitude on map represent the distance __ from the __.

    <p>north or south; equator</p> Signup and view all the answers

    As the temperature of a body increases, it will radiate energy at __ wavelengths.

    <p>shorter</p> Signup and view all the answers

    The absolute temperature scale that contains np negative numbers is the __ which makes it convenient for scientific computing.

    <p>Kelvin</p> Signup and view all the answers

    When winds blow toward the center of cyclone this is called___.

    <p>convergence</p> Signup and view all the answers

    As the temperature of a parcel air increases, its capacity for water vapor__.

    <p>increases</p> Signup and view all the answers

    The amount of water vapor in the air compared to the greatest amount of water the air could hold at a given temperature is known as the

    <p>relative humidity</p> Signup and view all the answers

    which type of fog occurs when a warm moist air mass moves over a cold land mass ?

    <p>advection fog</p> Signup and view all the answers

    What two characteristics are used to classify clouds?

    <p>Height and shape</p> Signup and view all the answers

    What determines the classification of clouds?

    <p>Height and shape</p> Signup and view all the answers

    What are the two main factors that determine a cloud's classification?

    <p>Height and shape</p> Signup and view all the answers

    What characteristics are used to identify different types of clouds?

    <p>Height and shape</p> Signup and view all the answers

    On what basis are clouds classified?

    <p>Height and shape</p> Signup and view all the answers

    What happens to the air's capacity for water vapor when it is warmed?

    <p>It increases</p> Signup and view all the answers

    Why are midlatitude continental west coasts generally wet?

    <p>Because air is forced to rise when it crosses mountain ranges</p> Signup and view all the answers

    What is unusual about the property of water?

    <p>It expands when it freezes into a solid</p> Signup and view all the answers

    What type of fog occurs when cold ground surfaces lose thermal energy to space?

    <p>Radiation fog</p> Signup and view all the answers

    What is the temperature at which an unsaturated parcel of air becomes saturated?

    <p>The dew point</p> Signup and view all the answers

    What type of cloud is associated with low-layered gray overcast skies?

    <p>Stratus</p> Signup and view all the answers

    What are the three main types of clouds?

    <p>Cirrus, Cumulus, Stratus</p> Signup and view all the answers

    What characteristic do Cumulus and Stratus clouds have in common?

    <p>They are low-level clouds</p> Signup and view all the answers

    What is the main difference between Cirrus and Cumulus clouds?

    <p>Their shape</p> Signup and view all the answers

    Which type of cloud is commonly associated with fair weather?

    <p>Cumulus</p> Signup and view all the answers

    Clouds with nimbo or nimbus in their name are associated with

    <p>precipitation</p> Signup and view all the answers

    What type of cloud is formed by rapidly rising columns of air?

    <p>Cumulonimbus cloud</p> Signup and view all the answers

    Under which condition does frontal precipitation occur?

    <p>When a warm air mass rises over a cold air mass</p> Signup and view all the answers

    What is the state of air when it holds all the water vapor it can?

    <p>Saturated</p> Signup and view all the answers

    Which type of cloud is commonly associated with severe storms?

    <p>Cumulonimbus cloud</p> Signup and view all the answers

    What is the result of a warmer air mass rising over a colder air mass?

    <p>Frontal precipitation</p> Signup and view all the answers

    which of the following would make the atmosphere more stable.

    <p>removing moisture and cooling the surface</p> Signup and view all the answers

    Areas of high atmospheric pressure are also known as__.

    <p>anticyclones</p> Signup and view all the answers

    Where does almost all of the earth's weather occur?

    <p>Troposphere</p> Signup and view all the answers

    The air is extremely thin and the atmospheric pressure is quite low. The percentage of nitrogen and oxygen in this layer is about the same as it is at Earth's surface, but contains far fewer oxygen molecules.

    <p>mesosphere</p> Signup and view all the answers

    In this layer, collisions between gas molecules and atoms are so infrequent that fast-moving lighter molecules can actually escape Earth's gravitational pull, and shoot off into space.

    <p>exosphere</p> Signup and view all the answers

    This layer is well stirred and contains all of the weather that we are familiar with on Earth and where temperature decreases with height.

    <p>troposphere</p> Signup and view all the answers

    In this layer, oxygen molecules (O2) absorb energetic solar rays making it the warmest part of the atmosphere. This is also the location where the bulk of the ionosphere lies.

    <p>Thermosphere</p> Signup and view all the answers

    In this layer, air temperature begins to increase with height producing a temperature inversion, which reduces the amount of vertical motion. This is also the layer in which the ozone layer lies

    <p>stratosphere</p> Signup and view all the answers

    As altitude increases in the atmosphere, air density decreases in a very similar way to:

    <p>the decrease in air pressure</p> Signup and view all the answers

    In the stratosphere, temperature initially _______ and then _______ with height until we reach the stratopause.

    <p>decreases; increases</p> Signup and view all the answers

    What gas in the upper atmosphere shields Earth's surface from the sun's harmful ultraviolet rays?

    <p>ozone</p> Signup and view all the answers

    On a surface weather map, the letters H and L refer to regions of high and low _______.

    <p>atmospheric pressure</p> Signup and view all the answers

    In a temperature inversion, air temperature _______.

    <p>increases with altitude</p> Signup and view all the answers

    Near Earth's surface, _______ occupies about 78% and _______ about 21% of the total volume of dry air.

    <p>nitrogen; oxygen</p> Signup and view all the answers

    What is the primary source of molecular oxygen (O2) in Earth's early atmosphere?

    <p>Splitting of water vapor (H2O)</p> Signup and view all the answers

    Which of the following gases is NOT considered a greenhouse gas?

    <p>Oxygen (O2)</p> Signup and view all the answers

    What is the term for a region in the atmosphere where air temperature remains constant with height?

    <p>Isothermal zone</p> Signup and view all the answers

    What type of storm system is also known as an extratropical cyclone?

    <p>Middle-latitude cyclonic storm</p> Signup and view all the answers

    What is the term for a towering cloud, or cluster of clouds, accompanied by thunder, lightning, strong gusty winds, and heavy rain?

    <p>Thunderstorm</p> Signup and view all the answers

    Which gas is responsible for the temperature inversion in the stratosphere?

    <p>Ozone (O3)</p> Signup and view all the answers

    What is the primary source of water vapor and carbon dioxide for Earth's early atmosphere?

    <p>Outgassing</p> Signup and view all the answers

    What is the layer of the atmosphere where almost all of the earth's weather occurs?

    <p>Troposphere</p> Signup and view all the answers

    What is the gas that absorbs most of the harmful ultraviolet radiation in the stratosphere?

    <p>Ozone</p> Signup and view all the answers

    What is the direction of wind around a surface high pressure?

    <p>Clockwise and outward</p> Signup and view all the answers

    What are tiny solid or liquid particles suspended in the atmosphere called?

    <p>Aerosols</p> Signup and view all the answers

    What is the hottest atmospheric layer?

    <p>Thermosphere</p> Signup and view all the answers

    What is the primary source of oxygen in the atmosphere?

    <p>Photosynthesis</p> Signup and view all the answers

    What is the variable gas in the earth's atmosphere?

    <p>Water vapor</p> Signup and view all the answers

    What is the weather element that involves the horizontal movement of air?

    <p>Wind</p> Signup and view all the answers

    The Mercator projection greatly exaggerates the size of areas in the high latitude regions.

    <p>True</p> Signup and view all the answers

    The hydrologic cycle for the earth system as a whole can be considered a closed system because there is no gain or loss of water

    <p>True</p> Signup and view all the answers

    Ocean currents play a significant role in helping to equalize the heat imbalance between the tropical and polar regions.

    <p>True</p> Signup and view all the answers

    One characteristic of a great circle is that it must pass through both the north and south poles.

    <p>False</p> Signup and view all the answers

    The specific heat of water is greater than that of land.

    <p>True</p> Signup and view all the answers

    A wind is named for the direction toward which it blows.

    <p>False</p> Signup and view all the answers

    A substance can be cooled below absolute zero.

    <p>False</p> Signup and view all the answers

    Systems analysis involves defining a system, breaking the system down into its components, and examining how the components interact with one another.

    <p>True</p> Signup and view all the answers

    The albedo of snow is generally low, while that of an evergreen forest is relatively high.

    <p>False</p> Signup and view all the answers

    A geostrophic wind will flow perpendicular to isobars.

    <p>False</p> Signup and view all the answers

    Closely spaced isobars on a map indicate a strong pressure gradient

    <p>True</p> Signup and view all the answers

    The closer the dew point temperature is to the actual air temperature, the lower the relative humidity.

    <p>False</p> Signup and view all the answers

    The farther apart contour lines are on an isoline map, the steeper the gradient.

    <p>False</p> Signup and view all the answers

    Negative feedback is an "unnatural process" that is generally detrimental to the functioning of an environmental system.

    <p>False</p> Signup and view all the answers

    The distance of earth from the sun plays a major role in the determination of the seasons.

    <p>False</p> Signup and view all the answers

    Frost is dew that forms, but then freezes.

    <p>False</p> Signup and view all the answers

    match with correct definition

    <p>The transfer of heat by the mass movement of a fluid, such as water and ai r = convection the horizontal transfer of any atmosphereic property by wind = advection 1 = 2 the transfer of heat from molecule to molecule within a substance = conduction</p> Signup and view all the answers

    correct meaning

    <p>adiabatic process = if a parcel of air expands and cools, or compresses and warms, and there is no interchange of heat with its outside surroundings dry adiabatic process = the rate of adiabatic cooling or warming that occurs in a parcel of air that is unsaturated moist adiabatic rate = If rising air cools to its dew-point temperature, condensation results forming a cloud. because heat added during condensation offsets some of the cooling due to expansion, the air cools at a lower rate stable atmosphere = A lifted parcel of air will be colder (heavier) that the air surrounding it. Because of this fact, the lifted parcel will tend to sink back to its original position</p> Signup and view all the answers

    which one

    <h1>A lifted parcel of air will be colder (heavier) that the air surrounding it. Because of this fact, the lifted parcel will tend to sink back to its original position = stable atmosphere a lifted parcel of air will be warmer (lighter) than the air surrounding it, and thus will continue to rise upward, away from its original position = unstable atmosphere</h1> <p>=</p> Signup and view all the answers

    Study Notes

    Atmospheric Characteristics

    • The atmosphere is composed of 78% nitrogen and 21% oxygen by volume
    • The atmospheric pressure increases with decreasing altitude
    • Air density decreases with increasing altitude, similar to air pressure

    Cloud Formation

    • Clouds are generally named based on two characteristics: height and shape
    • Cumulus clouds are associated with fair weather, while cumulonimbus clouds are associated with severe storms
    • Stratus clouds are low-lying and often cover the entire sky
    • Fog occurs when a warm, moist air mass moves over a cold land mass (advection fog) or when the ground cools rapidly (radiation fog)

    Atmospheric Layers

    • The troposphere is the lowest layer, where weather occurs
    • The stratosphere is the layer where ozone is found and temperature increases with altitude
    • The mesosphere is the layer where temperature decreases with altitude
    • The thermosphere is the hottest layer, where temperature increases with altitude

    Weather and Climate

    • Weather refers to the condition of the atmosphere at a particular time and place
    • Climate refers to the average conditions of the atmosphere over a long period of time
    • Climate is influenced by greenhouse gases, such as carbon dioxide, methane, and water vapor
    • The greenhouse effect is enhanced by the addition of water vapor to the atmosphere

    Atmospheric Processes

    • Outgassing is the process by which gases are released from the Earth's interior
    • Photosynthesis is a process by which carbon dioxide is removed from the atmosphere
    • Respiration is a process by which oxygen is consumed and carbon dioxide is produced
    • Fuel combustion and volcanic activity also affect the atmosphere

    Atmospheric Gases

    • The most abundant gases in the atmosphere are nitrogen and oxygen
    • Water vapor is a variable gas that shows significant variation in concentration
    • Carbon dioxide is removed from the atmosphere through photosynthesis
    • Oxygen is not a greenhouse gas

    Atmospheric Phenomena

    • The "ozone hole" is observed above Antarctica
    • Aerosols are tiny solid or liquid particles suspended in the atmosphere
    • High pressure regions are associated with clear skies and fair weather
    • Wind direction is described as the direction from which the wind is blowing

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    Test your knowledge on Earth's atmosphere, climate change, and related principles. This quiz covers the composition of the atmosphere, climate change principles, and more.

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