Skip Navigation

Explore

Quiz: Ocean salinity

Test your knowledge of ocean salinity and its relationship to climate change.

Test your knowledge of ocean salinity and its relationship to climate change.

You can browse a gallery containing this quiz and others here.

Credit

NASA Climate Change website

PREVIEW

Related

Video: A visualization of the annual Arctic sea ice "minimum" for each year from 1979 through 2018.
More
Annual Arctic sea ice minimum 1979-2018 with area graph
Video: Annual Arctic sea ice minimum 1979-2018 with area graph
Video: total sea level change between 1992 and 2014, based on data collected from the TOPEX/Poseidon, Jason-1 and Jason-2 satellites.
More
Video: 22-year sea level rise
Video: 22-year sea level rise
NASA Earth Right Now promo
More
NASA Earth Right Now promo
Video: NASA Earth Right Now promo
Ice covers 10 percent of Earth's surface and helps moderate the planet's temperature. Glaciers and ice sheets around the world are melting at an alarming rate. By keeping an eye on Earth's ice from space, NASA satellites help us understand the global effects of climate change.
More
Ice covers 10 percent of Earth's surface and helps moderate the planet's temperature. Glaciers and ice sheets around the world are melting at an alarming rate. By keeping an eye on Earth's ice from space, NASA satellites help us understand the global effects of climate change.
Video: Frozen Earth
NASA scientists say 2013 tied for the seventh warmest of any year since 1880, continuing a long-term trend of rising global temperatures.
More
Video: Global Temperature Variation
Video: Global Temperature Variation
By comparing bee data to satellite imagery, NASA research scientist Wayne Esaias uses honey bees as tiny data collectors to understand how climate change is affecting pollination and plants.
More
By comparing bee data to satellite imagery, NASA research scientist Wayne Esaias uses honey bees as tiny data collectors to understand how climate change is affecting pollination and plants.
Video: Sting of Climate Change
Test your knowledge of sea level rise and its effect on global populations.
More
Test your knowledge of sea level rise and its effect on global populations.
Quiz: Sea level rise
Carbon dioxide is the main heat-trapping greenhouse gas that humans emit. How much do you know about it and its impact on global warming and climate change?
More
Carbon dioxide quiz - how much do you know?
Quiz: Carbon dioxide
Land. Water. Fire. Ice. These elements are basic ingredients that make up planet Earth. Take a moment to admire the magnificent spectacle of our stunning home planet from the perspective of space.
More
Land. Water. Fire. Ice. These elements are basic ingredients that make up planet Earth. Take a moment to admire the magnificent spectacle of our stunning home planet from the perspective of space.
Video: Majestic Planet
Captured onboard a NASA Operation IceBridge flight to survey glacier change in a warming world, this photograph shows a beach and stream in Russel Fjord, Alaska, near the terminus of Hubbard Glacier.
More
Beached bergs in Alaska
Beached bergs in Alaska
This image shows a spinning formation of ice, clouds and low-lying fog off the eastern coast of Greenland. This image was acquired by the Landsat 7 satellite on May 14, 2001. This is a false-color composite image made using infrared, red and green wavelengths.
More
Whirlpool
Whirlpool
With autumn's arrival, chlorophyll begins to cede its dominance in the photosynthetic process, revealing yellow and orange tones on land, while in the ocean and lakes, phytoplankton pigments highlight different water masses and current systems.
More
Changing colors across land and ocean are revealed as autumn comes to North America. As chlorophyll begins to cede its dominance to other pigments in the photosynthetic process, yellow and orange tones are revealed. Meanwhile, in the ocean and lakes, phytoplankton pigments highlight different water masses and current systems.
Photosynthetic pigments by land and sea
Rivers of ice - Climate365 graphic
More
Rivers of ice - Climate365 graphic
Graphic: Rivers of ice
Video: The ocean's important role in absorbing heat and carbon dioxide from the atmosphere.
More
Ocean circulation plays an important role in absorbing carbon from the atmosphere
Video: Ocean circulation plays an important role in absorbing carbon from the atmosphere
Warmer Earth, greener north - Climate 365 graphic
More
Warmer Earth, greener north - Climate 365 graphic
Graphic: Warmer Earth, greener North
A super high-definition view of how carbon dioxide in the air moves around the world with the winds.
More
Super HD view of global carbon dioxide
Video: Super HD view of global carbon dioxide
Every summer, phytoplankton spread across the North Atlantic, with blooms spanning hundreds and sometimes thousands of miles. Blooms off Scandinavia seem to be particularly intense in summer 2018.
More
A vortex of lighter green phytoplankton swirls in the North Atlantic.
Summer blooms in the Baltic
Test your knowledge of how Earth is different from other planets, both within our solar system and beyond.
More
Test your knowledge of how Earth is different from other planets, both within our solar system and beyond.
Quiz: Our world, other worlds
Track Earth's vital signs and fly along with NASA's Earth-observing satellites.
More
Eyes on the Earth
Interactive: Eyes on the Earth
Along Greenland's western coast, a small field of glaciers surrounds Baffin Bay. This image was acquired by the Landsat 7 satellite on September 3, 2000. It is a false-color composite image made using near-infrared, red and blue wavelengths. 
More
Baffin Bay, Greenland
Baffin Bay, Greenland
Test your knowledge about global temperature change and its impact on Earth's climate.
More
Test your knowledge about global temperature change and its impact on Earth's climate.
Quiz: Global warming
Global ice viewer interactive
More
Global ice viewer interactive
Interactive: Global ice viewer
Test your knowledge of energy and its role in our climate.
More
Test your knowledge of energy and its role in our climate.
Quiz: Energy
Arctic sea ice - Climate 365 graphic
More
Arctic sea ice - Climate 365 graphic
Graphic: Arctic sea ice loss
Earth discovered - Climate 365 graphic
More
Earth discovered - Climate 365 graphic
Graphic: Earth, discovered

Explore

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.
More
Climate Mobile Apps

Climate Mobile Apps

Keep track of Earth's vital signs, see the planet in a state of flux and slow the pace of global warming with NASA's free mobile apps.
More
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.
More
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.
More
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.
More