TIL: Why is the Ocean Salty?

National Geographic
Contributed By
National Geographic
Resource Type
Classroom Material
Keywords
Earth Science Geology Oceanography
Subjects
Chemistry Earth and Space Sciences
Grade Levels
Grade 5 Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

TIL: Why is the Ocean Salty?

How is it that we didn't know why the ocean was salty until 1979? National Geographic Explorer-in-Residence Bob Ballard explains why such a basic question remained a mystery for so long—and where his team finally found the answer.
Author

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