EARTH SCIENCEVOCABULARY 25th GradeMs. Shiver

A long, narrow island that forms along the coast

Barrier Island

The plowing of crop rows across hillsides to prevent erosion

Contour plowing

A barrier constructed to contain the flow of water or to keep out the sea

levee

A current that moves parallel to the shore

Longshore current

System of drains that prevents flooding during heavy rainstorms

Storm drain management

A ridge of sediment and rock left behind when a glacier melts

moraine

The study of vibrations caused by rocks moving and breaking along faults

seismology

The placement of additional sand on beaches to protect them from erosion

Beach nourishment

A structure built across a river to control its flow

dam

The planting of crops on terraces built into steep hillsides to prevent erosion

terracing

A structure built at right angles to the beach to control beach erosion

groin

A huge sheet of slowly moving ice

glacier

A long, oval shaped mound of soil and rock formed from glacial deposits

drumlin