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Unit C: Treasures From Earth

Chapter 6: Rocks, Soil, and Fossils

Concept

• Rocks, Soil, and Fossils

Reading Skill

• Lesson 1: What Makes Up Rocks and Soils?
• Lesson 2: How Do Rock and Soil Change?
• Lesson 3: What Are Fossils?

Chapter 7: Using and Saving Resources

Concept

• Using and Saving Resources

Reading Skill

• Lesson 1: What Resources Do People Use?
• Lesson 2: How Do People Change the Environment?
• Lesson 3: How Can People Save Resources?