Return to Unit List Grade 5   Unit C: Earth and Its Resources     Chapter 6: Earth and Its Resources   Lesson 1: Earth and Its Neighbors   Summary   Quiz   Research Report: The Solar System   Lesson 2: Earth's Changing Crust   National Geographic: Waves of Erosion   Summary   Quiz   Lesson 3: Minerals of Earth's Crust   Summary   Quiz   Lesson 4: Earth's Rocks and Soil   National Geographic: Silicon Rules!   Summary   Quiz   Chapter 6: Links Chapter 7: Air, Water, and Energy   Lesson 5: Earth's Atmosphere   National Geographic: Planetary Weather   Summary   Quiz   Research Report: Environmental Protection Agency   Lesson 6: Earth's Fresh Water   National Geographic: To Dam or Not to Dam   Summary   Quiz   Lesson 7: Earth's Oceans   National Geographic: Voyager to the Bottom of the Ocean   Summary   Quiz   Lesson 8: Energy Resources   Summary   Quiz   Chapter 7: Links   People in Science/Careers