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Listed under:  Science  >  Earth and space  >  Earth structure  >  Earth's crust  >  Sediment transport
Video

Why are river pebbles round? Sugar shake: erosion experiment

This short video introduces the concepts of weathering and erosion by investigating why river pebbles are often rounded. Students can undertake an activity which demonstrates the process of erosion using sugar cubes. They are asked to predict what might happen (a hypothesis) and then observe what does happen and relate ...

Video

Foreign Correspondent: Cenotes

The Yucatán Peninsula is located in south-eastern Mexico and covers a vast area of coastline south of the Gulf of Mexico. It is a popular tourist destination for people who travel to cities such as Cancún to enjoy sandy white beaches. Explore the subterranean freshwater caverns of this region and discover why this pristine ...

Video

Foreign Correspondent: Prehistoric evidence

Beneath the Yucatán Peninsula in south-eastern Mexico exists a karst aquifer, the largest underground river system in the world. Discover its deep caverns, which have been perfectly preserved for thousands of years, complete with prehistoric remains.