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Ocean Shore Zone

Waves, Currents, Tides & Their Effects on the Ocean Shore Zone

QuestionAnswer
What is area where ocean meets land? Ocean Shore Zone
What are waves? The repeated up and down movement of energy through water
What is the highest part of a wave called? Crest
What is the lowest part of a wave called? Trough
What causes waves? Wind
What is one cause of a tsunami? Underwater earthquake
How are waves a destructive force? Weathering and erosion of beach sand
How are waves a constructive force? By depositing sand building up the beach
What are currents? Flowing streams of water that move continually through the ocean
How do longshore currents move? Parallel to the shore
What are 2 types of currents? Surface and Deep
What affects surface currents? movement of Earth & wind direction and force
What affects deep ocean currents? the Earth's rotation & the rise and fall of warm and cool currents
How are currents constructive forces? They deposited sand from one part of the beach or slope to another.
What causes tides the gravitational pull of the moon
Which tide deposits sediments onto beaches? High Tide
Which tide erodes the beaches? Low Tide
What is a shoreline made of sand called? Beach
What causes shorelines to always be changing? Wind and water
What causes the land to wear away at beaches exposing a rocky shore? Waves
What brings in sand, shells, and other sediment and leaves it behind? Tides
What piece. of land is surrounded by water on all sides, forms parallel to the mainland, and protects the mainland from waves and storms? Barrier Islands
What effect do waves have on barrier islands? causes changes in the shape
Why are high tides important for estuaries? They bring in sediment and sea life which feeds and nourishes the estuary.
What is a water filled space between barrier islands? Inlet
What changes the amount of water in an inlet? Tides
How do currents and storms impact inlets? change the shape of the opening of the inlet
Created by: kristine.byrd
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