About This Chapter
Below is a sample breakdown of the Igneous Rocks chapter into a 5-day school week. Based on the pace of your course, you may need to adapt the lesson plan to fit your needs.
|Day||Topics||Key Terms and Concepts Covered|
|Monday||Characteristics of magma||Magma composition and temperature, the geothermal gradient, melting zones and mantle plumes|
|Tuesday||Types of igneous rock||Plutonic rocks, plutons, batholiths, sills, dikes, volcanic rocks and lava|
|Wednesday||Bowen's reaction series||Continuous and discontinuous series, magmatic differentiation and stages of mineral formation|
|Thursday||Igneous rock classifications||Phaneritic and aphanitic rock textures, mafic and ultramafic rocks, felsic rocks and intermediate rocks|
|Friday||Locations of igneous rock||Diverging and converging tectonic plates, subduction zones|
1. Magma: Definition & Formation
Magma is molten rock found below the earth's surface. The temperature at which a rock melts is affected by its composition, pressure and water. Learn how magma forms and how it either feeds volcanoes or cools and crystallizes into igneous rock.
2. Volcanic vs Plutonic Igneous Rocks: Definition and Differences
Volcanic and plutonic rocks are types of igneous rock. Volcanic rocks form when lava cools and solidifies on Earth, and plutonic rocks form when magma cools and solidifies below Earth. Learn about different characteristics of these igneous rocks.
3. Bowen's Reaction Series: Crystallization Process & Magmatic Differentiation
Bowen's reaction series and magmatic differentiation are two ways of explaining how igneous rocks form. Learn about the continuous and discontinuous series of the Bowen's reaction series and how magmatic differentiation works in this video lesson.
4. Classification of Igneous Rocks: Textures and Composition
Igneous rocks can be classified by their texture and composition. Learn how texture is influenced by the cooling rate of magma and how different mineral compositions lead to different igneous rock classifications in this video lesson.
5. Locating Igneous Rocks: The Relationship Between Igneous Rocks & Tectonic Plates
Igneous rock can form where tectonic plates diverge or converge. Learn how the movement of tectonic plates can create the right conditions of the solidification of magma and the formation of igneous rocks.
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Other chapters within the Physical Geology Syllabus Resource & Lesson Plans course
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- Earth Materials Lesson Plans
- Mineral Types & Uses Lesson Plans
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