Story of igneous rock

What happens to magma when it reaches the Earth's surface?

• It becomes lava

• It turns into water

• It remains magma

• It becomes gas

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Understanding

Describe the process of how magma becomes an intrusive igneous rock.

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Analyzing

Magma becomes ___ when it erupts from a volcano.

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Remembering

What is the main difference between extrusive and intrusive igneous rocks?

• Cooling rate and crystal size

• Color and texture

• Location of formation

• Chemical composition

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Understanding

Explain why lava cools quickly when it reaches the Earth's surface.

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Analyzing

Lava cools quickly and forms ___ crystals.

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Remembering

How does pressure affect magma beneath the Earth's surface?

• It causes magma to erupt

• It turns magma into rock

• It cools magma

• It makes magma disappear

Tags

Understanding