Unit C Earth Science

Chapter C-1 The Changing Earth
    Lesson 1 What Are the Earth's Layers?
    Lesson 2 How Does the Earth's Crust Move?
    Lesson 3 What Changes the Earth's Surface?
    Lesson 4 How Do Rocks Reveal Changes on the Earth?

Unit A Life Science

Chapter A-1 Comparing Living Things
    Lesson 1 Is It Living or Nonliving?
    Lesson 2 How Are Living Things Classified?
    Lesson 3 How Are Animals Classified?
    Lesson 4 How Are Plants Classified?

Chapter A-2 Reproduction and Change
    Lesson 1 How Do Organisms Grow and Reproduce?
    Lesson 2 How Are Traits Passed Along?
    Lesson 3 How Did Scientists Learn About Inheritance?

Chapter A-4 Ecology
    Lesson 1 What Makes Up an Ecosystem?
    Lesson 2 How Do Living Things Get Energy?
    Lesson 3 How Does Energy Move Through and Ecosystem?
    Lesson 4 What Are Some Natural Cycles in an Ecosystem?

Unit C Earth Science

Chapter C-2 The Earth's Resources
    Lesson 1 What Is a Resource?
    Lesson 2 How Can Water Resources Be Protected?
    Lesson 3 How Can Land Resources Be Protected?
    Lesson 4 How Can Clean Air Be Protected?

Unit B Physical Science

Chapter B-1 Classifying Matter
    Lesson 1 What Are Elements?
    Lesson 2 What Are Compounds?
    Lesson 3 What Are Mixtures and Solutions?
    Lesson 4 How Can Substances Be Described?
    Lesson 5 How Do Substances Interact?

Chapter B-2 Investigating Motion
    Lesson 1 How is Motion Measured?
    Lesson 2 What Affects Motion?
    Lesson 3 How Does Gravity Affect Motion?
    Lesson 4 How Does Friction Affect Motion?

Unit C Earth Science

Chapter C-4 Astronomy
    Lesson 1 What Makes Up the Solar System?
    Lesson 2 What is Known About Stars?
    Lesson 3 How Do Scientists Study Planets and Stars?

Chapter C-3 Climate
    Lesson 1 What is the Water Cycle?
    Lesson 2 How Does the Sun Affect Climate?
    Lesson 3 How Do Land and Water Affect Climate?
    Lesson 4 What Makes Climate Change?

Unit B Physical Science

Chapter B-3 Forms of Energy (Skip this Chapter)
    Lesson 1 How Are Kinetic and Potential Energy Related?
    Lesson 2 What Forms of Energy Do You Use?
    Lesson 3 What Is Radiant Energy?
    Lesson 4 What is Sound Energy?

Chapter B-4 Electrical Energy (Skip this Chapter)
    Lesson 1 How Does Electricity Move?
    Lesson 2 How Is Electricity Use in the Home?
    Lesson 3 What Produces the Electricity Used in the Home?

Unit A Life Science

Chapter A-3 Adaptations (Skip this Chapter)
    Lesson 1 What Are Adaptations?
    Lesson 2 What Are Some Adaptations for Living in Water and on Land?
    Lesson 3 What Are Some Adaptations for Climate?
    Lesson 4 How Do Organisms Become Adapted to Their  Environment?