Climate Change Flashcards
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Questions and Answers

Which factors are causes of short-term climate change?

Changes in wind and ocean currents

How does La Niña affect the climate of the Pacific Ocean?

It cools the water to below its normal temperature.

Which of these substances are greenhouse gases? Check all that apply.

  • Oxygen
  • Carbon dioxide (correct)
  • Methane (correct)
  • Nitrous oxide (correct)
  • Which substance is a greenhouse gas that is emitted by human activities, is the most widespread, and remains in the air the longest?

    <p>Carbon dioxide</p> Signup and view all the answers

    How do changes in wind currents affect the short-term climate in a region?

    <p>Prevailing winds can cause heavy rains or a dry climate.</p> Signup and view all the answers

    Which causes an increase in greenhouse gases?

    <p>Burning of wood and coal</p> Signup and view all the answers

    What are global wind patterns called?

    <p>Prevailing winds</p> Signup and view all the answers

    What climate condition occurs during El Niño?

    <p>Warm water moving toward the coast of South America.</p> Signup and view all the answers

    What climate conditions occur during La Niña?

    <p>Stronger prevailing winds and more hurricane activity.</p> Signup and view all the answers

    During El Niño, what do the unusual wind patterns move east?

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

    What effects do wind patterns have on climate?

    <p>They change the amount of precipitation in an area and affect a region's climate.</p> Signup and view all the answers

    Which definition best describes global warming?

    <p>A long-term increase in the Earth's average temperature.</p> Signup and view all the answers

    What major factors play a role in global warming?

    <p>Natural factors and human activity</p> Signup and view all the answers

    Why is it commonly believed that carbon dioxide is responsible for global warming? Select 2 options.

    <p>Carbon dioxide levels in the Earth's atmosphere have been steadily increasing.</p> Signup and view all the answers

    What negative effect occurs when there is a decrease in air quality?

    <p>Increased illnesses that result in a decrease in population.</p> Signup and view all the answers

    According to some scientists, which is a cause of global warming?

    <p>Changes in solar energy</p> Signup and view all the answers

    Which is a possible result of higher air temperatures caused by global warming?

    <p>Rapid evaporation of water in the soil.</p> Signup and view all the answers

    Which greenhouse gas is produced by commercial refrigeration and air conditioning systems?

    <p>Fluorinated gas</p> Signup and view all the answers

    Which greenhouse gas has an average lifetime in the atmosphere of a few weeks to thousands of years and is the largest contributor to climate change?

    <p>Carbon dioxide</p> Signup and view all the answers

    Which statement best describes the greenhouse effect?

    <p>It is a process by which greenhouse gases allow the sun's light to penetrate the atmosphere but stop the heat from escaping.</p> Signup and view all the answers

    Which is a possible result of rising ocean temperatures caused by global warming?

    <p>Increase in strength of hurricanes.</p> Signup and view all the answers

    Which statement explains why many scientists believe that carbon dioxide has likely contributed more to global warming than other greenhouse gases?

    <p>Carbon dioxide has increased as a result of increased human activities.</p> Signup and view all the answers

    What do El Niño and La Niña have in common? Check all that apply.

    <p>Both occur in the Pacific Ocean.</p> Signup and view all the answers

    What effects do ocean currents have on short-term climate change? Check all that apply.

    <p>Ocean currents can carry warm water, which can raise the temperature of the air and land.</p> Signup and view all the answers

    What are the negative effects of rising ocean temperatures? Check all that apply.

    <p>The melting of glaciers and polar ice caps.</p> Signup and view all the answers

    Which are possible consequences of decreasing air quality resulting from global warming? Check all that apply.

    <p>Decrease in population due to health threats.</p> Signup and view all the answers

    Study Notes

    Climate Change Factors

    • Changes in wind and ocean currents are crucial for understanding short-term climate change.
    • Natural and human-induced factors contribute to long-term climate changes globally.

    La Niña

    • La Niña cools Pacific Ocean waters below normal temperatures, impacting regional climates dramatically.
    • Stronger prevailing winds during La Niña can lead to increased hurricane activity.

    Greenhouse Gases

    • Carbon dioxide, methane, and nitrous oxide are all recognized greenhouse gases.
    • Carbon dioxide is the most prevalent greenhouse gas resulting from human activities, remaining in the atmosphere for extended periods.

    El Niño and La Niña

    • El Niño is characterized by warm water moving toward South America, altering weather patterns.
    • Common features of both El Niño and La Niña events include their impact on ocean currents and their roles in short-term climate variation.

    Wind Currents and Climate

    • Changes in prevailing winds can lead to significant alterations in precipitation and overall regional climate.
    • Ocean currents can transport warm or cold water, influencing local temperatures and climate conditions.

    Global Warming

    • Global warming refers to the long-term increase in Earth's average temperature, influenced by both natural processes and human activities.
    • Rising carbon dioxide levels are attributed to human activities and are regarded as the primary driver of climate change.

    Effects on Health and Environment

    • Poor air quality can lead to increased illnesses and decreases in population due to health-related issues.
    • Consequences of global warming and rising ocean temperatures include glacial melting and flooding of coastal areas.

    Greenhouse Effect

    • The greenhouse effect involves greenhouse gases allowing sunlight to enter the atmosphere while trapping heat, which contributes to global warming.

    Ocean Temperatures and Hurricanes

    • Increased ocean temperatures may strengthen hurricanes, indicating a correlation between climate change and extreme weather events.

    Air Quality and Health

    • Decreasing air quality can result in health threats, potentially leading to a rise in illnesses and a decline in population.

    Summary of Impacts

    • Both natural occurrences (like ocean currents and solar energy changes) and human activities prime the climate system for rapid changes, necessitating an understanding of their respective roles.

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    Test your understanding of climate change with these flashcards. Each card covers essential concepts and factors related to short-term climate changes and greenhouse gases. Perfect for students and anyone interested in environmental science.

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