Lesson 3: Coastal Erosion Online version Today we are goin' coastal! by Sarah Kaufman 1 The breaking of the rocks and material from the side of the cliff is known as which process? Select one or more answers a weathering b erosion c deposition d chippery 2 What is the cause of this damage? Written answer 3 Boulders, rods and concrete were placed along the shore in order to ________________ wave erosion. Written answer 4 What risk are the people who refuse to leave taking? Written answer 5 Erosion is the process of? Select one or more answers a Breaking down material b Moving material c Dropping material d creating new material 6 What changed? Written answer 7 What was different about the skinny strip of land in 2004? Select one or more answers a it disappeared b it looked larger c it detached from the mainland d nothing changed 8 Would you build a hotel or house along the cape-cod coastline you just observed? Why or why not? Written answer Explanation 1 Weathering is the breaking down of rocks and other material. Erosion is the movement of weathered material. Deposition is the dropping off or building up of eroded material. 3 As you will learn about, engineers create barriers to reduce the amount of erosion along coastal cities. 5 A lot of people think erosion is the breaking down of rock and other material, but remember - that is weathering! Weathering occurs before erosion. 6 Over time, changing water levels and wave activity change the coastline. 7 If you noticed, the stip of land detached from the mainland in 2004, but then re-attached. This is due to changing water levels. 8 I would hope not! One year you might have gorgeous views, but then under water the next!
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