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You are reading an older version of this FlexBook® textbook: CK-12 Earth Science Concepts For Middle School Go to the latest version.

3.8: Intrusive and Extrusive Igneous Rocks

Difficulty Level: Basic Created by: CK-12
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Vocabulary

extrusive

extrusive

Igneous rocks that form at Earth's surface from rapidly cooling lava.
intrusive

intrusive

Igneous rocks that form inside the Earth from slowly cooling magma.
pluton

pluton

Igneous intrusive rock body that has cooled in the crust.
volcanic rock

volcanic rock

Rock that originates in a volcano or volcanic feature.

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Description

Difficulty Level:

Basic

Grades:

6 , 7

Date Created:

Jan 04, 2013

Last Modified:

Jan 30, 2016
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SCI.ESC.232.2.L.2

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