Volcanoes

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The Earth's crust is broken into pieces called

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plates

Front

Melted rock inside the Earth is called

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magma.

Front

When magma flows out of the volcano it is called

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lava

Front

If lots of lava flows out in one spot on the surface of the Earth, it forms a mountain and is called

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a volcano.

Front

Mauna Loa in Hawaii is a flat shield-shaped volcano that was formed by

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runny lava.

Front

What does magma become when it cools after a volcanic eruption?

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ash.

Front

Because the ash was in the air, what could not fly?

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airplanes

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Volcanoes swell when

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magma pushes up inside it.

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How can volcanic ash help the environment?

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Mineral in the ash can help plants grow.

Front

What genre is the story Volcanoes?

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Expository Text