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||Magma||Definition and origins of magmas; study of heat, volatiles, pressure, geothermal gradient, composition of partially melted rock, gases, viscosity and temperature|
|Tuesday||Volcanic vs. plutonic igneous rocks||Definition and comparison of terms, along with the study of sills, plutons, dikes and batholiths|
|Wednesday||Norman Bowen||Discussion of the continuous and discontinuous series of Bowen's reaction series regarding magmatic differentiation, igneous rocks and the crystallization process|
|Thursday||Igneous rock classification||Identification of different rock textures, explanation of how they're produced and discussion of rock compositions, such as granitic, basaltic, ultrabasic and andesitic.|
|Friday||Location of igneous rocks||Relationship between tectonic plates and igneous rocks|
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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