climate change quiz
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Questions and Answers

What would be the average annual temperature increase if the Earth's temperature rises by 2°C over the next 100 years?

  • 2°C per year
  • 0.002°C per year
  • 0.02°C per year (correct)
  • 0.2°C per year

    • How often does Earth complete a full rotation on its axis?

  • Once every 12 hours
  • Once every 24 hours (correct)
  • Once a year
  • Twice a day

    • What is the Earth's primary source of heat energy?

  • Solar radiation (correct)
  • Radioactive decay
  • The inner core of the Earth
  • Running water

    • Which of the following describes an abundant greenhouse gas in Earth's atmosphere?

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

    What percentage of solar radiation-generated heat escapes into space?

    <p>60-80 percent</p> Signup and view all the answers

    What are the correct proportions for the major gases in Earth's atmosphere?

    <p>78% nitrogen, 21% oxygen, 0.04% carbon dioxide, 0.9% other gases</p> Signup and view all the answers

    How does Earth's axial tilt affect the seasons?

    <p>When Earth is tilted towards the sun, summer will be hotter, resulting in longer days and shorter nights.</p> Signup and view all the answers

    What occurs at the boundary where the troposphere ends and the stratosphere begins?

    <p>The temperature starts to rise.</p> Signup and view all the answers

    Study Notes

    Climate Change Test

    • A 2°C average planet temperature change over the next 100 years would be a rise of 0.02°C per year.
    • The Earth rotates on its axis once every 24 hours.

    Sources of Heat Energy

    • The primary source of heat energy received at Earth's surface is solar radiation.

    Greenhouse Gases

    • Carbon dioxide is the most abundant greenhouse gas in Earth's atmosphere.
    • Methane is another greenhouse gas.

    Atmospheric Composition

    • The atmosphere is composed of 78% nitrogen, 21% oxygen, 0.04% carbon dioxide, and 1% of other gases.

    Seasonal Changes

    • Seasons change due to the tilt of the Earth's axis, resulting in variations in temperature and daylight hours.

    Atmospheric Layers

    • The troposphere ends and the stratosphere begins where the temperature starts to rise.

    Infrared Radiation and CO2

    • Increased infrared radiation is a result of increased infrared heat and a higher amount of CO2.

    Feedback Loops

    • An example of a positive feedback loop is when rising temperatures at the poles cause glaciers to melt, leading to more water evaporation and changing people's behaviors.

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