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An explanation of the process of beach formation, from rocks into sand. When the sea erodes the cliffs, large rocks fall away and into the sea. These rocks are tossed about by the action of the sea and they are eroded into smaller and smaller pebbles. The pebbles are eventually ground down into the tiny gains of sand that form a beach.
This clip is from:
First broadcast:
22 November 2007

Classroom Ideas

When pupils are learning about beach formation, this clip may be consolidated by asking the pupils to draw flow diagrams to show each stage of the process. For a more practical demonstration, digestive biscuits may be used to model how the cliff breaks down into small crumbs and eventually a fine powder (the sand). It may also be useful to make models or draw pictures of the coastline, labelling the stages of beach formation.