No-prep, NGSS-aligned unit on the human digestive system with a labeled/blank diagram, organ functions, cut-and-sort activity, hands-on cracker lab, exit ticket, keys, and a full student packet. Teach the pathway (mouth → anus), functions, and key vocab with a 5E lesson flow.

The-Human-Digestive-System

WHAT’S INSIDE

• Teacher Lesson Plan with 5E structure (Engage → Explore → Explain → Elaborate → Evaluate).
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• Diagrams: Labeled + Blank for student labeling/color-coding by function (ingestion/digestion/absorption/elimination).
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• Guided Notes & Organ Functions (mouth, esophagus, stomach, small/large intestines + liver, gallbladder, pancreas).
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• Organ Sort activity (cut, match function, order the journey) + extension writing task.
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• Worksheets & Keys (label, match, MCQ, short answer).
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• Lab: Mechanical & chemical digestion mini-lab with procedure, discussion, and safety.
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• Exit Ticket and Student Packet pages.
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HOW TO USE

• Day 1: Hook + guided diagram + organ functions mini-lesson.
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• Day 2: Organ sort → cracker lab → exit ticket.
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• Assess: Worksheet + optional quiz or “food journey” writing.
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SKILLS & STANDARDS

• NGSS LS1.A: Structure & Function; CCSS ELA RI.4.3, RI.5.2 (explanatory text & key ideas).
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• Content: pathway of digestion, organ roles, vocabulary (peristalsis, enzymes, bile, absorption).
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GRADES
4–6 (scaffold with labeled diagram; extend with enzyme/microbiome research).

The-Human-Digestive-System

SUBJECTS
Science • Human Body Systems • Life Science.

The-Human-Digestive-System

RESOURCE TYPE / FORMAT
Lesson Plans • Worksheets • Activities/Lab • Student Packet • Answer Keys • Printable + Digital.

The-Human-Digestive-System

TAGS
digestive system, human body systems, organs and functions, labeled diagram, mechanical vs chemical digestion, peristalsis, enzymes, bile, NGSS LS1, lab activity, elementary science