Sea Salt
NASA
Test your knowledge of ocean salinity and its relationship to climate change and ocean circulation.
Answer questions like ...
- Which ocean is the saltiest?
- The variation in saltiness throughout the ocean is very small.
- Water near the seafloor is saltier than water at the sea surface.
- Climate change is adding salt to the ocean.
- On average, how much salt is there in 1,000 pounds of seawater?
