Chapter 1 Living and Nonliving Chapter 2 Habitats Chapter 3 How Plants and Animals Live Chapter 4 Life Cycles Chapter 5 Food Chains Unit B Earth Science Chapter 6 Land, Water, and Air Chapter 7 Weather Chapter C Physical Science Chapter 8 Observing Matter Chapter 9 Movement and Sound Chapter 10 Learning About Energy Unit D Space and Technology Chapter 11 Day and Night Sky Chapter 12 Science in Our World |