Help your 4th graders understand animal anatomy and physiology with this NGSS-aligned reading passage packet! This comprehensive resource includes differentiated nonfiction texts covering how food is broken down and turned into energy.

What's Included:

• 2 Differentiated Reading Passages: Two original nonfiction reading passages written at the 4th-grade level, provided in both "Simplified" (Level 1) and "Detailed" (Level 2) versions.
• Spanish Translations: Both reading levels are available in Spanish to support ESL/ELL students.
• Comprehension Quiz: An 8-question multiple-choice quiz with an included answer key.
• Vocabulary Glossary: A dedicated key vocabulary page with definitions for essential terms.
• Writing Activity: Open-ended prompts that encourage critical thinking about digestive functions and real-world connections.
• Graphic Organizers: Two structured tables to help students chart the "Digestive System Journey" and compare different animal structures.
• Key Vocabulary: digestion, stomach, intestines, nutrients, acids, gizzard.

Topics Covered:

• What is Digestion?
• The Role of Teeth and Saliva
• The Stomach and Digestive Acids
• The Function of Intestines and Nutrients
• Waste Removal
• Comparing Digestive Systems (Cows and Birds)

Learning Objectives:

• Define digestion as the process of breaking down food into usable nutrients.
• Identify the major organs of the human digestive system, including the mouth, esophagus, stomach, and intestines.
• Explain how nutrients travel through the blood to support body growth and movement.
• Compare the unique digestive structures of different animals, such as a cow's four-chambered stomach and a bird's gizzard.
• Describe how the body separates useful nutrients from waste material.

How to Use This Resource:

• Whole-group science instruction
• Science literacy centers or stations
• STEM integration (Understanding biological systems)
• Homework or independent practice
• Sub plans (No prep needed!)
• Phygital Learning: Use the included QR code for instant access to digital versions, read-aloud audio, and auto-graded activities.

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