- 1. Exploration: Entering the World of Secondary Sciencepages 1–7
- 2. Cell: The Building Block of Lifepages 8–27
- 3. Tissues in Actionpages 28–47
- 4. Describing Motion Around Uspages 48–71
- 5. Exploring Mixtures and their Separationpages 72–93
- 6. How Forces Affect Motionpages 94–115
- 7. Work, Energy, and Simple Machinespages 116–139
- 8. Journey Inside the Atompages 140–161
- 9. Atomic Foundations of Matterpages 162–183
- 10. Sound Waves: Characteristics and Applicationspages 184–207
- 11. Reproduction: How Life Continuespages 208–227
- 12. Patterns in Life: Diversity and Classificationpages 228–251
- 13. Earth as a System: Energy, Matter, and Lifepages 252–272