Earth's Atmosphere Quiz
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Questions and Answers

What is the primary gas that makes up Earth's atmosphere?

  • Nitrogen (correct)
  • Oxygen
  • Argon
  • Carbon Dioxide
  • Which process describes how solar radiation warms the atmosphere?

  • Scattering
  • Evaporation
  • Condensation
  • Absorption (correct)
  • Which of the following factors does NOT affect solar radiation received on Earth?

  • Altitude of the observer
  • Distance from the Sun (correct)
  • Season
  • Local atmospheric conditions
  • What percentage of the Earth's atmosphere is made up of water vapor?

    <p>0-4%</p> Signup and view all the answers

    What is the main effect of solar radiation on Earth's atmosphere?

    <p>Drives weather patterns</p> Signup and view all the answers

    What is the primary ingredient of smog found in the Earth's atmosphere?

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

    Which atmospheric layer does most weather occur in?

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

    What happens to half of the solar radiation that enters Earth's atmosphere?

    <p>It is reflected back into space</p> Signup and view all the answers

    What characterizes the stratosphere in terms of temperature changes with altitude?

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

    Which atmospheric layer is known for being the coldest?

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

    What is the stratopause?

    <p>The boundary between the stratosphere and mesosphere.</p> Signup and view all the answers

    What happens to most meteors in the mesosphere?

    <p>They burn up.</p> Signup and view all the answers

    Which layer of the atmosphere is directly above the mesosphere?

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

    What defines the exosphere?

    <p>It is the outermost layer where the density is extremely low.</p> Signup and view all the answers

    What role does ozone play in the stratosphere?

    <p>Heating the air.</p> Signup and view all the answers

    At what altitude does the tropopause typically occur?

    <p>About 11 km.</p> Signup and view all the answers

    What primarily causes the vertical pressure variation in the atmosphere?

    <p>The pull of gravity on the fluid</p> Signup and view all the answers

    At what altitude is atmospheric pressure approximately 500 mb?

    <p>5.5 km</p> Signup and view all the answers

    Which phenomenon involves cold air being trapped under warm air?

    <p>Temperature inversion</p> Signup and view all the answers

    What percentage of the atmosphere's mass is contained within the troposphere?

    <p>75%</p> Signup and view all the answers

    Which layer of the atmosphere is situated directly above the troposphere?

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

    What is a radiosonde primarily used for?

    <p>Measuring the vertical profile of air temperature</p> Signup and view all the answers

    Which atmospheric layer marks the boundary between the troposphere and the stratosphere?

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

    What is the primary characteristic of the exosphere?

    <p>It's the outermost layer with very thin gas</p> Signup and view all the answers

    Which atmospheric layer is characterized as the 'hot layer' where oxygen molecules absorb energy from solar rays?

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

    What is the primary function of radar in communication systems?

    <p>To determine distance, direction, and velocity of objects</p> Signup and view all the answers

    Which of the following best describes humidity?

    <p>The amount of water vapor in the air</p> Signup and view all the answers

    What term refers to the specific atmospheric condition at a particular time, such as wind or temperature?

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

    Which of the following is NOT an element of weather?

    <p>Speed of sound</p> Signup and view all the answers

    What is the measure of air pressure defined as?

    <p>The force per unit area exerted by the weight of air</p> Signup and view all the answers

    What does precipitation refer to in meteorological terms?

    <p>Any liquid water that falls from the atmosphere to the earth</p> Signup and view all the answers

    Which statement about weather visibility is accurate?

    <p>It measures the distance at which objects can be clearly seen.</p> Signup and view all the answers

    How does sunshine duration primarily affect the weather?

    <p>It affects ambient temperature and indirectly impacts humidity.</p> Signup and view all the answers

    What is a key function of satellite instruments in meteorology?

    <p>To measure the Earth's surface temperature for weather forecasting.</p> Signup and view all the answers

    Which type of climate characterized by low temperatures is commonly referred to as a snow forest?

    <p>Cold (snow forest)</p> Signup and view all the answers

    Which atmospheric phenomenon is considered the most violent disturbance?

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

    What is a primary output of meteorologists when generating a weather map?

    <p>Observed weather information from ground-based instruments.</p> Signup and view all the answers

    What geographic lines are key in determining the location of climate zones?

    <p>Latitude and longitude.</p> Signup and view all the answers

    Under which condition do flash floods lead to the most fatalities each year in the US?

    <p>Rapid increases in rainfall.</p> Signup and view all the answers

    Which of the following is not typically measured by ground-based weather stations?

    <p>Sea surface temperature</p> Signup and view all the answers

    Which gases are primarily responsible for the Earth's greenhouse effect?

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

    What is the main consequence of increasing carbon dioxide levels in the atmosphere?

    <p>Rising temperatures at Earth's surface</p> Signup and view all the answers

    What are aerosols primarily composed of?

    <p>Solid particles and liquid droplets suspended in air</p> Signup and view all the answers

    Which of the following is a type of air pollution?

    <p>Suspension of nitrogen oxides in the atmosphere</p> Signup and view all the answers

    Noise pollution primarily affects which of the following?

    <p>Human and animal life activities</p> Signup and view all the answers

    What is the definition of water pollution?

    <p>Contamination of water bodies, impacting their uses</p> Signup and view all the answers

    Which factor describes density?

    <p>Mass per volume of a substance</p> Signup and view all the answers

    What primarily causes land pollution?

    <p>Xenobiotic chemicals altering soil conditions</p> Signup and view all the answers

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