Name: ________________________ Date: ______________________ Class: ______________
Beaches and Coastlines In-Class Video Activity
Instructions: Watch the video link provided and answer the following questions that follow the video in chronological order. Then answer the “expanding your knowledge” section below based on what you’ve learned in this chapter. Edit your answers in RED INK, then download your completed document as a PDF for upload/submission.
1. There is an endless battle going on between _____________ and ____________________ along every coastline in the world.
2. What is the process called that carries rock and sediment out to sea?
3. What is the biggest component of coastal erosion?
4. Why are waves destructive?
5. When seawater dissolves the rocks themselves, this process is called _____________________________________.
6. All these processes are amplifying when?
7. High winds lead to ________________________.
8. What is an engineering solution listed that we discussed in class used to protect coastlines? (Hint: one out of the three he lists)
9. What protective structures protrude into the sea to reduce currents directly along the shore and retain the soil and sand?
10. What is the name of the structure built parallel to the shoreline to break up waves before they make it to shore?
11. What is the first alternative/softer solution he gives?
12. That is the solution that simply replaces the lost material called?
13. In 50 years, the global mean sea level will be at least how much higher and potentially to what extent?
14. A higher sea level ultimately leads to what?
EXPANDING YOUR KNOWLEDGE:
1. The seaward tip of a headland may be the most rapidly eroding locality on a coast yet also the most expensive building site on a coast. Why is this so?
2. Is a beach a good place to mine sand for construction? Explain your answer.
3. What did you learn?