Chapter 1 Plants and Animals
Lesson 1.1 What Do All Plants Need?
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Lesson 1.2 What Do the Parts of a Plant Do?
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Lesson 1.3 Why Are Plants Important?
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Lesson 1.4 What Do All Animals Need?
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Lesson 1.5 How Are Animals Different?
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Chapter 2 Plants and Animals Live Together
Lesson 2.1 Where Do Plants and Animals Live?
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Lesson 2.2 What Are Food Chains and Food Webs?
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Lesson 2.3 How Do People Affect the Environment?
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Chapter 3 Food and Your Body
Lesson 3.1 What is Your Digestive System?
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Lesson 3.2 What Are Some Types of Food?
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Lesson 3.3 What is Good Nutrition?
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Chapter 4 Body and Mind
Lesson 4.1 How Does your Nervous System Work?
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Lesson 4.2 How Do Your Communicate?
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Lesson 4.3 What is Mental Health?
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Chapter 5 Keeping Your Body Safe and Healthy
Lesson 5.1 How Can You Avoid Germs?
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Lesson 5.2 Why is Hygiene Important?
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Lesson 5.3 What Are Common Safety Hazards?
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Chapter 6 Earth's Land, Air, and Water
Lesson 6.1 What Features Are on Earth's Surface?
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Lesson 6.2 What Are Rocks and Minerals?
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Lesson 6.3 How Does Earth's Surface Change?
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Lesson 6.4 What Can We Learn from Fossils?
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Chapter 7 Weather and Seasons
Lesson 7.1 How is the Weather Predicted?
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Lesson 7.2 What is the Water Cycle?
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Lesson 7.3 What Causes the Seasons?
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Chapter 8 Space Science
Lesson 8.1 What Makes Up Our Solar System?
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Lesson 8.2 What Is the Universe?
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Lesson 8.3 How Do We Explore Space?
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Chapter 9 Properties of Matter
Lesson 9.1 What is Matter?
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Lesson 9.2 What Are Solids, Liquids, and Gases?
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Lesson 9.3 How Does Matter Change?
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Chapter 10 Energy and Machines
Lesson 10.1 What is Energy?
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Lesson 10.2 What is Thermal Energy?
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Lesson 10.3 What Are Sound and Lights?
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Lesson 10.4 What Are Simple Machines?
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