Unit A- Life Science: Living Things Grow and Change Chapter 1: Plants Grow and Change Lesson 1: What are living and Nonliving things? Lesson 2: How do plants grow and change? Lesson 3: How are plants alike and different? Chapter 2: Animals Grow and Change Lesson 1: How are animals alike and different? Lesson 2: What are some animal life cycles? Chapter 3: People Grow and Change Lesson 1: How will I grow? Lesson 2: What do my bones and muscles do? Lesson 3: How do my heart and lungs work? Lesson 4: How do I digest food? Unit B- Earth Science: Exploring Earth’s Surface Chapter 1: Earth’s Resources Lesson 1: How do people use rocks and soil? Lesson 2: How do people use water? Lesson 3: What other natural resources do people use? Chapter 2: Earth Long Ago Lesson 1: What is a fossil? Lesson 2: How do scientists get fossils? Lesson 3: What have scientists learned about dinosaurs? Unit C- Physical Science: Matter and Motion Chapter 1: Observing and Measuring Matter Lesson 1: What is Matter? Lesson 2: What can we find out about solids? Lesson 3: What can we find out about liquids? Lesson 4: What can we find out about gasses? Chapter 2: Changes in Matter Lesson 1: What happens when you mix matter? Lesson 2: How can water change? Lesson 3: What other ways does matter change? Chapter 3: Forces and Motion Lesson 1: What are forces? Lesson 2: How can we measure motion? Chapter 4: Sound Lesson 1: What is sound? Lesson 2: How do sounds vary? Lesson 3: How does sound travel? Lesson 4: How can we make different sounds?