Give Now

A Moment of Science

Posts tagged sediment

November 22, 2012

 

Mississippi River with a sunset

How The Mississippi Changes Its Course

Can the Mississippi River change direction?

May 25, 2012

 

salt_shaker

The Ocean’s Salt Shaker

If salts are constantly washing into rivers, lakes and oceans, why aren't inland lakes salty as well?

November 20, 2008

 

King River Delta

Sinking River Deltas

River deltas are coastal valleys where rivers empty into the sea. Standing on a river delta you don't expect the ground beneath your feet to be disappearing.

November 19, 2004

 

Why Mountains Stop Growing

Why do mountains stop growing? Find out on this Moment of Science.

September 27, 2003

 

Salty Seas

Kimberly Sessions, of Atlanta, Georgia wrote to A Moment of Science with the following question: “I know why the ocean is still salty: evaporated water leaves the salt behind. But how did it get salty in the first place?”

September 27, 2003

 

The Dirt about Desert Soil

In the desert, the absence of water means little or no chemical weathering can take place. Instead, erosion, frost, sedimentation, and the huge temperature fluctuations between day and night break down the rocky surface into sand or gravel.

Stay Connected

What is RSS? RSS makes it possible to subscribe to a website's updates instead of visiting it by delivering new posts to your RSS reader automatically. Choose to receive some or all of the updates from A Moment of Science:

Support for Indiana Public Media Comes From

About A Moment of Science

Search A Moment of Science