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	258   Directed Inquiry Explore How can you make a model of material found in the Earth? 260   How to Read Science Summarize 261     You Are There! 262      Lesson 1 What is the structure of Earth? 263      Lesson 2 What causes earthquakes and volcanoes? 266      Lesson 3 What is weathering? 272      Lesson 4 What is erosion? 276      Lesson 5 How are minerals identified? 282      Lesson 6 How are rocks classified? 286   Guided Inquiry Investigate What buildings are less damaged by an earthquake? 290      Classifying Solid Figures 292     Chapter Review 9 and Test Prep 294       Florence Bascom 296