Blakeney Point is a spit that extends along the Norfolk coastline. The shape of the spit is constantly changing, shaped by erosion and deposition. Sand and shingle is moved along the spit carried by the action of the waves, in a process known as longshore drift. On land, the wind blows sand into dunes along the ridge of the split. Ordnance Survey mapping © Crown Copyright.

Use maps and images of Blakeney Point to produce annotated diagrams explaining the formation and changes to the spit. Looking at maps across different time periods, try to predict how the spit will change in the future. Look at other spits around the UK or elsewhere where human activity has had an effect on their development. For example, the process of longshore drift that has formed Hurst Spit on the Solent has been altered by sea defences.