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This Igneous Rocks lesson plan also includes:
- Igneous Rocks (Doc)
- Vocabulary
- Worksheet
- Activity
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High schoolers explore igneous rocks by observing rock samples and considering cooling rates and composition. The third installment of a five-part geology series culminates in an activity where learners use igneous rock characteristics and identification charts to pinpoint specimens.
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Concepts
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Instructional Ideas
- Use the resource as an introductory lesson on igneous rocks
Classroom Considerations
- If your state uses a specific igneous rocks classification/composition chart, substitute it for the one given in the resource
- Lesson could be extended over the course of two days as there is a lot of material to cover
Pros
- Analogy of pies cooling connects to the concept of intrusive/extrusive igneous rocks
- Lesson includes a comprehensive overview of igneous rocks
Cons
- Mafic and felsic are not defined in the student worksheets (most of the activity focuses on grain size)