8+Earth+Science

**8th Grade: Earth Science **


Key Idea 2: Many of the phenomena that we observe on Earth involve interactions among components of air, water and land.** ||~  ||
 * = **Month** || **December/January** ||~  ||
 * = **Duration** || **4 Weeks** ||~  ||
 * = **Content** || **Earth Science: Rocks & Minerals, Weathering, Erosion & Deposition, Plate Tectonics** ||~  ||
 * = **Key Ideas** || **Standard 4: The Physical Setting
 * = **Standards** || * //**Performance Indicator 2.1: Explain how the atmosphere (air), hydrosphere (water), and lithosphere (land) interact, evolve and change.**//
 * **2.1g: The dynamic processes that wear away Earth's surface include weathering and erosion**
 * **2.1h: The process of weathering breaks down rocks to form sediment. Soil consists of sediment, organic material, water and air.**
 * **2.1i: Erosion is the transport of sediment. Gravity is the driving force behind erosion. Gravity can act directly or through agents such as moving water, wind and glaciers.**
 * **2.1j: Water circulates through the atmosphere, lithosphere, and hydrosphere in what is known as the water cycle.**
 * //**Performance Indicator 2.2: Describe volcano and earthquake patterns, the rock cycle, and weather and climate changes.**//
 * **2.2a: The interior of Earth is hot. Heat flow and movement of material within Earth cause sections of Earth's crust to move. This may result in earthquakes, volcanic eruption, and the creation of mountains and ocean basins.**
 * **2.2b: Analysis of earthquake wave data (vibrational disturbances) leads to the conclusion that there are layers within Earth. These layers- the crust, mantle, outer core, and inner core- have distinct properties.**
 * **2.2c: Folded, tilted, faulted, and displaced rock layers suggest past crustal movement.**
 * **2.2d: Continents fitting together like puzzle parts and fossil correlation provided initial evidence that continents were once together.**
 * **2.2e: The Theory of Plate Tectonics explains how the "solid" lithosphere consists of a series of plates that "float" on the partially molten section of the mantle. Convection cells within the mantle may be the driving forces for the movement of the plates.**
 * **2.2f: Plates may collide, move apart, or slide past one another. Most volcanic activity and mountain building occur at the boundaries of these plates, often resulting in earthquakes.** ||  ||
 * = **Relevant Vocabulary** || **crust, mantle, outer core, inner core, rocks, minerals, igneous, sedimentary, metamorphic, weathering, erosion, deposition, 5 agents of erosion, lithospheric plates, plate tectonics, fault, earthquake, volcano, Ring of Fire, convection currents (cells)** ||  ||
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 * **Labs ** ||  || <span style="display: block; color: rgb(222, 18, 18); text-align: center;"> ||
 * **<span style="display: block; color: rgb(222, 18, 18); text-align: center;">Additional Resources ** || ||