K2L5 Bone Detectives

Lesson Duration: 45 minutes

Grade: K2

Preparation Time: 15 minutes

Learning Objectives

• Children will be able to identify basic bones in their body
• Children will be able to understand why bones are important
• Children will be able to demonstrate how bones support our body

Materials Needed:

• Skeleton model
• X-ray images
• Playdoh
• Plastic straws
• Clean-up supplies

Lesson Procedure

### 5 mins - Welcome Time
• Sing the "Hello Song"
• Introduce topic: "Today we're bone detectives!"
• Touch different parts of body: "What's inside here?"

### 5 mins - Bone Discovery
• Show skeleton model
• Guide children to feel their own bones:
  - Skull
  - Arms
  - Legs
  - Ribs
• Ask: "Are bones hard or soft?"

### 10 mins - X-ray Exploration
• Show X-ray images
• "Let's find these bones in our body!"
• Activity: Point and name
  - Skull
  - Arm bones
  - Leg bones
  - Spine
• Play "Find the Bone" game

### 20 mins - Strong Bones Investigation
Materials per group:
• Playdoh
• 2 plastic straws
• Paper towels

Instructions:
1. First Try:
   • Make a leg using only playdoh
   • Try to make it stand
   • What happens?

2. Second Try:
   • Make a leg using playdoh and straws
   • Hide straws inside playdoh
   • Try to make it stand
   • What's different?

Discussion Questions:
• Which leg stands better?
• Why do we need bones?
• How do bones help us?

### 5 mins - Wrap-Up
• Review: "What did we learn about bones?"
• Sing "Goodbye Song"

PowerPoint Presentation 

## Slide 1: Title Slide
• Title: "Bone Detectives"
• Picture of detective with magnifying glass looking at bones

## Slide 2: Hello Time
• "Hello Song" lyrics
• "Today we're bone detectives!"
• Question: "What's inside our body?"

## Slide 3: Meet Mr. Skeleton
• Picture of skeleton model
• Labels for main parts:
  - Skull
  - Arms
  - Legs
  - Ribs
• "Let's meet our friend Mr. Skeleton!"

## Slide 4: Find Your Bones
Instructions:
1. Touch your head - feel your skull
2. Touch your arms - feel your arm bones
3. Touch your legs - feel your leg bones
4. Touch your chest - feel your ribs
Question: "Are your bones hard or soft?"

## Slide 5: X-ray Magic
• X-ray images of:
  - Skull
  - Arm
  - Leg
  - Spine
• "This is how doctors see our bones!"

## Slide 6: Find the Bone Game
How to Play:
1. Teacher points to a bone on Mr. Skeleton
2. Find the same bone on your body
3. Say the bone name together
4. Be quick and careful!

## Slide 7: Let's Build a Leg! (Part 1)
Materials:
• Playdoh
• Paper towels

Instructions:
1. Take some playdoh
2. Make a leg shape
3. Try to make it stand
4. What happens?

## Slide 8: Let's Build a Leg! (Part 2)
New Materials:
• Playdoh
• 2 straws
• Paper towels

Instructions:
1. Take new playdoh
2. Put straws inside
3. Make a leg shape
4. Try to make it stand
5. What's different?

## Slide 9: Think About It
Questions:
• Which leg stands better?
• Why do we need bones?
• How do bones help us?
• What would happen without bones?

## Slide 10: What We Learned
Today we learned:
• We have bones inside our body
• Bones are hard and strong
• Bones help us:
  - Stand
  - Move
  - Protect our body

## Slide 11: At Home Fun
Try these at home:
• Feel your bones when you:
  - Walk
  - Jump
  - Sit
  - Stand

## Slide 12: Goodbye
• "Goodbye Song" lyrics
• "Great job, bone detectives!"
• "See you next time!"