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CHAPTER 1
Forces and Pressure Unit
CHAPTER 2
Forces in the Earth
CHAPTER 4
Work and Energy
CHAPTER 6
Thermal Energy
CHAPTER 8
Controlling the Body Machine
CHAPTER 9
Discovering Elements
CHAPTER 10
Minerals and Their Uses
CHAPTER 11
The Rock Cycle
CHAPTER 14
Gases, Atoms, and Molecules
CHAPTER 15
The Air Around You
Basic Units of Life, Chemical Reactions, How Cells Do Their Jobs