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Circulatory System Model

The Circulatory System: Life-Giving Flow

Day 30of 180
Week 6of 36
40Minutes
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🖨️ Download Worksheet (PDF)
🎯 What You'll Learn

Learning Objectives

1

Understand the four chambers of the human heart

2

Demonstrate blood flow direction using color coding

3

Appreciate God's intricate design of human body systems

📖 Scripture Connection

Psalms 139:14

“I will give thanks to you, for I am fearfully and wonderfully made. Your works are wonderful. My soul knows that very well.”

— Psalms 139:14 (WEB)

Highlights the intricate design of human body systems, especially the circulatory system

📦 Materials Needed

  • Cardboard
  • Red and blue yarn
  • Scissors
  • Glue
  • Markers
  • Science notebook
  • BibleMouse Resource Guide: Grade 5 Science
📚 Step-by-Step

Lesson Plan

1Opening (5 min)

Recap previous day's heart rate investigations, connect to today's heart model project

💭 Review Question: What did we learn about heartbeats yesterday?
2Teaching (10 min)

Explain heart chamber functions and blood flow

📌 Key Talking Points:
  • Four heart chambers: two atria, two ventricles
  • Oxygenated vs deoxygenated blood paths
  • How blood circulates through lungs and body
💬 Discussion Questions:
  • Why do you think God designed the heart with four chambers?
  • How does blood carry oxygen to different body parts?
3Activity: 3D Circulatory System Model (20 min)
project

Create a color-coded heart model showing blood flow

📝 Instructions:
  1. Draw heart outline on cardboard
  2. Use red yarn for oxygenated blood paths
  3. Use blue yarn for deoxygenated blood paths
  4. Label heart chambers
  5. Create arrows showing blood flow direction
🔄 Variations:

Simpler: Use pre-drawn heart template

Challenge: Add detailed blood vessel annotations

4Closing (5 min)

Students present models, discuss observations

📝 Review Questions:
  • What surprised you about the heart's design?
  • How does our model show blood's journey?

Coming up: Tomorrow we'll explore how lungs help our circulatory system

👨‍👩‍👧 For Parents

Teaching Notes

📚 Background:

Heart has four chambers working together to pump blood

💡 Teaching Tips:
  • Encourage curiosity about body design
  • Use BibleMouse Resource Guide for additional visuals
🤔 Common Struggles:

Understanding complex blood flow paths

👀 Signs of Understanding:

Ability to trace blood flow and explain heart chambers

🚀 Want More?

Extension Activities

  • Research famous heart researchers
  • Create digital heart flow animation
  • Write a devotional about God's body design

Ready for Tomorrow?

Great job completing today's lesson!

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