LEARNING ZONE BROADBAND

Duration: 00:23

An illustrated explanation of rivers - erosion and hydraulic action.

Duration: 04:16

The cliffs around Old Harry Rocks in Dorset are made of chalk. Hydraulic action causes caves, arches, stacks and stumps to form within the chalk.

Duration: 05:12

The super jumbo wing must flex and twist and undergo stresses and movement in flight. We find out how the industry uses a 100 million pound test rig to torture it to make sure that it is safe for use.

Duration: 03:46

The formation of a wave-cut platform and a stack are illustrated.

Duration: 05:19

A description of the formation of waterfalls and gorges and other erosional and depositional processes along the River Conwy in Wales.

Duration: 03:57

The coastline of West Wales is under constant attack from the prevailing winds travelling over the Atlantic Ocean.