Lesson 4.4 - A Watery Landscape

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Why are the Hawaiian Islands unusual in terms of how they were formed?

Because they were formed by undersea volcanoes and they are not located at a tectonic plate boundary.

Why does the crust under the oceans allow magma to reach the surface more easily?

Because it is thinner than the crust on land.

What happens to magma when it hits ocean water?

It cools quickly and hardens, forming new rock.

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