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Understanding Beach Formation and Erosion

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Understanding Beach Formation and Erosion

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Questions and Answers

What is a beach primarily made of?

Rocks

Clay

Seashells

Sand or gravel (correct)

How are beaches formed?

By meteor impacts

By volcanic eruptions

From underground caves collapsing

From sediment supplied by rivers and streams (correct)

What mineral is sand mostly made from?

Emerald and sapphire

Quartz and feldspar (correct)

Gold and silver

Diamond and ruby

What natural process breaks down rock into tiny pieces to create sand?

Weathering Signup and view all the answers

Where do rivers and streams supply sediment from to contribute to beach formation?

Mountains Signup and view all the answers

What is the primary process responsible for shaping beaches?

Longshore drift Signup and view all the answers

What happens to the sand during winter at most United States coastlines?

It gets pulled farther out into the ocean Signup and view all the answers

How do waves contribute to shaping beaches?

By eroding sand away from some areas and depositing it back in others Signup and view all the answers

Why does the beach look different in the winter compared to the summer?

Due to bigger and more powerful waves in the winter Signup and view all the answers

What direction does sand typically move along most United States coastlines?

From north to south Signup and view all the answers