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Ripple marks

earth science Maturity 11-13

Water or wind makes small bumps in sand.

Ripple marks.jpg
Ripple marks.jpg
These bumps are called ripples. They show us where water once moved. They can even be on Mars! Do you see the bumps in the sand?
Windrippel b76 b.jpg
Windrippel b76 b.jpg

39 words
🖼️ Images & Media (9)
File:Ripple marks in Moenkopi Formation rock off of Capitol Reef Scenic Drive.jpeg
Ripple marks in Moenkopi Formation rock...
File:Windrippel b76 b.jpg
Windrippel b76 b.jpg
File:Rippelbildungen am Strand von Spiekeroog.JPG
Rippelbildungen am Strand von Spiekeroog.JPG
File:Ebbe.jpg
Ebbe.jpg
File:Oszillationsrippel.JPG
Oszillationsrippel.JPG
File:Ripple marks.jpg
Ripple marks.jpg
File:Random Formation tidal megaripples.jpg
Random Formation tidal megaripples.jpg
1969 Afghanistan (Sistan) wind ripples.tiff
File:Crest_trough.svg
Crest_trough.svg
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📚 Content adapted from Wikipedia | Readability: FK 11.1 | Vital Level 5