Unit 1: God's Creation
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1 Chapter 1: Minerals and Rocks
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2 Chapter 2: Fossils
Unit 2: Matter and Energy
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3 Chapter 3: Matter
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4 Chapter 4: Energy and Heat
Unit 3: Environment
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5 Chapter 5: Weather
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6 Chapter 6: Biomes
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7 Chapter 7: Ecosystems
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8 Chapter 8: Cycles
Unit 4: Sound and Light
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9 Chapter 9: Sound
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10 Chapter 10: Light
Unit 5: The Body at Work
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11 Chapter 11: Respiratory System
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12 Chapter 12: Circulatory System
