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Intro

Objective 12/07/11. Identify six shoreline features created by wave erosion. Intro. Pick up LAB: Weathering #3 WS from front table; glue/tape into notebook Check Missing Assignments Weekly WS #17: What do we call the area where land and a body of water meet ?

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Intro

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  1. Objective 12/07/11 Identify six shoreline features created by wave erosion. Intro • Pick up LAB: Weathering #3 WS from front table; glue/tape into notebook • Check Missing Assignments • Weekly WS #17: • What do we call the area where land and a body of water meet? • Complete Step 3 on LAB: Weathering #3 WS you just picked up

  2. Shoreline Erosion

  3. Shoreline Erosion What happens to eroded rock? • Rock that is eroded is carried towards the ocean as sediment • Becomes sand • Becomes deltas • Becomes sea-bed

  4. Shoreline Erosion Shoreline Erosional Landforms Headlands Sea Cave Sea Arches Sea Stacks Wave-Cut Terrence Beaches

  5. Shoreline Erosion • Headlands • Finger-shaped projections • Form when sea cliffs erode • Hard rock erodes faster than the soft rock

  6. Shoreline Erosion • Sea Cave • Waves cut large holes into the headlands • Occur more often in cliffs of sedimentary rock

  7. Shoreline Erosion • Sea Arch • Waves continue to erode sea caves until it completely cuts through creating an arch

  8. Shoreline Erosion • Sea stack • Columns of hard rock that were once connected to a headland • Waves erode through a sea arch creating these stacks

  9. Shoreline Erosion • Wave-cut terrace • Created when sea cliffs are worn back • Creating a platform or step at the base of the sea cliff

  10. Shoreline Erosion • Beach • An area of the shoreline made up of material deposited by waves • Created once a sea cliff has been completely eroded

  11. Erosional Landforms • Summary: • What happens to eroded rock? • What are some shoreline erosional landforms?

  12. Objective 12/19/12 Explain how landforms are created through erosional processes. Outro Using a Flow-Map, show how headlands can eventually become beaches.

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