Geography Chapter 12 Word Scramble
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Question | Answer |
How are waves formed? | Formed when wind moves across the surface of the sea |
What is a fetch? | The distance of open sea over which wind blows |
What is swash? | The water that rushes up a beach when a wave breaks |
What is backwash? | The water that returns back down the beach |
What is a constructive wave? | When the swash is greater than the backwash and material is deposited on the beach |
What is a destructive wave? | When the backwash is greater than the swash and material is eroded and carried away |
What is hydraulic action? | Physical force of the waves breaking material off the coastline |
What is abrasion? | Any loose material (rocks and sand) is thrown by the waves against the coast and breaks off material |
What is compressed air? | When waves crash against a cliff, air gets trapped in the cracks and becomes compressed. When the waves retreat, the pressure is suddenly released and shatters the rock |
What is solution? | Some rocks are dissolved by water |
What is attrition? | Stones that are carried in the water constantly hitting off each other. Over time, they become worn down, smooth and rounded. This eventually forms sand. |
What is a bay? | A curved area where waves have eroded the coastline |
What is a headland? | An area of hard rock jutting out into the sea |
Give an example of a bay and a headland | Dublin Bay and Bray Head |
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stellamcb
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