4. Determine where beach building material comes from. Select all answers from the options provided. a. Rivers b. Lakes c. Eroding cliffs d. Offshore e. Wind 5. Select the correct terms in the following sentences: Longshore drift moves material along the beach in a circular / zigzag pattern that follows the direction of the prevailing wind. Longshore drift moves sand along the beach and creates spits and bars / bays / inlets . If the prevailing wind changes direction, then so does the direction of longshore drift. 6. The formation of sand dunes cannot occur unless there is plenty of sand in the swash to allow the dunes to grow. State whether you agree or disagree. Use the information in FIGURE6 to provide the evidence for your response. ANALYSE AND APPLY 7. If it were a windy day, identify where on the beach or dune would be the best place to take shelter. Explain your answer. 8. Suggest what might be some of the impacts on Cape Peron if a marina was constructed in the areas marked ‘sandy beaches’ in FIGURE8 . EVALUATE AND COMMUNICATE 9. Identify the construction materials that might be deposited on a beach and the potential sources of this material. 10. Describe how coastal landforms are the result of the interconnection between the sea and the atmosphere. Answers and sample responses for this topic are available online.
LESSON 13.5 How do rivers shape landscapes?
LEARNING INTENTION By the end of this lesson you should be able to: • identify the different phases of a river • describe the landform features that form from a river’s source to its mouth.
Tune in Major cities are built near rivers, such as the Yarra River in Melbourne. Using the evidence provided in FIGURE1 , create a mind-map of the ways the people in Melbourne might use the Yarra River. Consider different groups within the population. Share your list with the class.
FIGURE1 The Yarra River winding towards Melbourne.
TOPIC13 Landforms and landscapes – diversity, significance and management 299
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