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Vital Signs of the Planet
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Quizzes


  • The ocean

    Looking at our Earth from space, it is obvious that we live on a water planet. Ocean covers over 70 percent of the Earth's surface and contains about 97 percent of the Earth's surface water. How much do you know about our ocean?

    › Take the quiz

  • Clouds and aerosols

    Clouds and aerosols are two of the most important, but least understood, aspects of climate change. How much do you know about them?

    › Take the quiz

  • The air we breathe

    Our atmosphere is vital to all living things on our planet. How much do you know about the air we breathe?

    › Take the quiz

  • Carbon

    Earth has many processes that regulate carbon, atmospheric carbon dioxide and its role in the carbon cycle and climate. How much do you know?

    › Take the quiz

  • Our home planet

    Earth is an ever-changing place. How much do you know about your home planet?

    › Take the quiz

  • Frozen poles

    How much do you know about the frozen poles of our home planet?

    › Take the quiz

  • Precipitation and the water cycle

    How much do you know about how water is cycled around our planet and the crucial role it plays in our climate?

    › Take the quiz

  • Warm up

    Test your knowledge about global temperature change and its impact on Earth's climate.

    › Take the quiz

  • Freeze frames

    How much do you know about glaciers and ice caps?

    › Take the quiz

  • Sea change

    Test your knowledge of sea level rise and its effect on global populations.

    › Take the quiz

  • How's your energy level?

    Test your knowledge of energy, both in our society and in Earth's climate system.

    › Take the quiz

  • It's a gas

    Test your knowledge of carbon dioxide and its role in global warming.

    › Take the quiz

  • Soil moisture

    Soil moisture is the amount of water contained in the soil. From agriculture productivity to flood and drought prediction, soil moisture on Earth plays a key role in understanding our planet. How much do you know about Earth’s soil moisture?

    › Take the quiz

  • Our world, other worlds

    Test your knowledge of how Earth is different from other planets, both within our solar system and beyond.

    › Take the quiz

› Back to top › Embed code for these quizzes is available in Climate Resources

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Interactives, galleries and apps

Images of Change

Images of Change

Explore a stunning gallery of before-and-after images of Earth from land and space that reveal our home planet in a state of flux.
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Climate Time Machine

Climate Time Machine

Travel through Earth's recent climate history and see how increasing carbon dioxide, global temperature and sea ice have changed over time.
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Eyes on the Earth

Eyes on the Earth

Track Earth's vital signs from space and fly along with NASA's Earth-observing satellites in an interactive 3D visualization.
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Global Ice Viewer

Global Ice Viewer

Earth's ice cover is shrinking. See how climate change has affected glaciers, sea ice, and continental ice sheets.
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This website is produced by the Earth Science Communications Team at

NASA's Jet Propulsion Laboratory | California Institute of Technology

Site Editor: Holly Shaftel
Managing Editor: Susan Callery
Senior Producer: Randal Jackson
Senior Science Editor: Daniel Bailey
Science Editor: Susan Callery

Site last updated: May 25, 2022