6 Sea StacksOffshore isolated columns of rock that were once attached to a headland
7 Shoreline Erosion- large waves during storms hit the shore so hard that it pulls the rock off and into the ocean.Sea Cliffs- a steep structure of rock located where waves strike directly against rock.Sea Caves, Arches, and Stacks-large holes along the base of a sea cliff, offshore isolated columns of rock.Terraces- a level platform underneath the water at the base of a sea cliff.- Wave-cut terraceWave-built terrace-an extension of a wave-cut terrace.
9 TerracesWave-cut- when sea cliffs retreat, terraces are built due to erosion by waveswave-built- due to material being eroded away from retreating terraces, those deposits may accumulate to build terraces
12 Coastline and sea level changes-the sea level rises and falls depending on the amount of ocean water.Coastline and Land Changes- Coastlines can be flooded if land sinks, and can be exposed if the land rises.Submergent Coastlines- formed when the sea level rises or land sinks. Inlets between land.Emergent Coastlines- formed when land rises or sea level falls.
14 Beaches- depositions of sand along an ocean shore. -composition depends on the source rock.Berm- the raised section on most beaches.Sand Bar- underwater ridges.Longshore-Currents are created by waves moving at an angle to the shoreline push water along the shore.Spit- a long narrow deposit do sand at one end of the shore.Tombolos-connections from offshore islands to main lands.
19 Barrier Island- long narrow offshore ridges of sand. Coral Reefs- coastal features that are homes to small marine animals that live in warm shallow sea water.-fringing reef-around the coast of an island.-barrier reef-coral offshore around the remaining of the volcano.-atoll-circular coral reef surrounding a shallow lagoon.