Sea Word Scramble
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| Question | Answer |
| What is hydraulic action? | power of moving water as it crashes against coast |
| What is abrasion? | waves pick up stones which are thrown against coast |
| What is compressed air? | air in rocks becomes trapped by incoming waves - trapped air puts pressure on rocks - when water retreats, air expands and pressure drops - repeated compression and release shatters rocks |
| What is attrition? | stones carried by waves hit off each other - become smooth and rounded |
| What is solution? | certain minerals are dissolved in water |
| What are the features of sea erosion? | -headlands and bays - sea cliff -sea cave -sea arch -sea stack -sea stump -blowhole |
| What is longshore drift? | -sea transportation -material carried by sea (load) is transported up shore by forces of incoming waves (swash) -carried back down by retreating waves (backwash) -material moved in zigzag pattern along shore |
| What are the features of sea deposition? | -beach -sand dunes -sand spit -sand bar -tombolo |
| What are coastal defense methods? | -groynes -sea walls -gabions -rock armour |
Created by:
katelynodoherty
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