Investigate Records

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Unit C: Earth's Surface

Chapter 6: Earth's Crust

• Lesson 1: Earth's Surface
• Lesson 2: Volcano Blast!
• Lesson 3: Stones and Sand

Chapter 7: Protecting Earth's Resources

• Lesson 1: What It's Made Of
• Lesson 2: Solar Oven
• Lesson 3: Long-Lived Litter