Brains On! Why is the Ocean Salty?

If you’ve ever been in the ocean, you’ve tasted that salt. But where does it come from?

And why aren’t lakes and rivers salty too? A sea shanty is probably the best way to explain, right? Plus: we learn about the weird and wonderful world of deep ocean hot springs.

 

Brains On! is an award-winning audio show for kids and families from American Public Media.


Science Topics
Oceanography
K-6, Middle School
4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade

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