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Unit: Earth’s Surface To: Course Overview Length: 40 Days State Benchmarks 8.III.A. The student will identify Earth’s composition, structure and processes. 6. The student will classify and identify using characteristics including but not limited to density, hardness, and streak. 3. The student will describe various processes and interactions of the rock cycle. 2. The student will describe how features on the Earth’s surface are created and constantly changing through a combination of slow and rapid processes of weathering, erosion, sediment deposition, landslides, volcanic eruptions and earthquakes. D:\493714453.doc Key Questions / Main Ideas Concepts/Facts/Skills Activities / Resources Earth Science, McDougal Littell, 2006. Unit 1-Chapter 2 Minerals are the building blocks of Earth. Minerals are all around us. A mineral is identified by its properties. Minerals are valuable resources. Rocks change into other rocks over time. Rock cycle shows how rocks change. Igneous rocks form from molten rock. Sedimentary rocks form from earlier rocks. Metamorphic rocks form as existing rocks change. Unit 1-Chapter 3 Natural forces break rocks apart and form soil, which supports life. Water, wind, and ice shape Earth’s surface. Mechanical and chemical forces break down rocks. Weather and organic processes form soil. Human activities affect soil. Forces wear down and build up Earth’s surface. Moving water shapes land. Waves and wind shape land. Glaciers carve land and move sediment. Unit 1-Chapter 4 Unit 1-Chapter 5 revised 6/29/2017