K3L23 Rain Protection
Lesson Duration: 45 minutes
Grade: K3
Preparation Time: 15 minutes
Learning Objectives:
- Test different materials for water resistance
- Design effective shelter structures
- Evaluate and improve shelter designs
Materials Needed:
- Testing materials (1 set per group):
• Paper sheets
• Cardboard pieces
• Cloth squares
• Plastic sheets
• Aluminum foil
- Building materials:
• Popsicle sticks
• Straws
• Clay/playdough for base
• Tape
• Scissors (teacher supervised)
- Small toy figures
- Spray bottles with water
- Testing trays
- Paper towels
- Recording sheets with pictures
- Picture cards showing:
• Different materials
• Shelter designs
• Rain protection
- Safety note: All materials child-safe
Lesson Procedure
3 mins - Welcome Time
• Sing "Hello Song"
• Show typhoon pictures
• Introduce wind measurement concept
7 mins - Discovery Chat
• Discuss rain protection needs
• Show different materials
• Make predictions
• Introduce vocabulary: waterproof, leak, protect, dry
• Talk about material properties
12 mins - Hands-On Challenge 1: Material Testing
• Part 1 (7 mins):
- Demonstrate testing method
- Feel different materials
- Make predictions
- Use phrases: "Will water go through?"
• Part 2 (8 mins):
- Test each material
- Spray water carefully
- Record results
- Use phrases: "This keeps water out!" "This gets wet!"
12 mins - Hands-On Challenge 2: Shelter Building
• Part 1 (6 mins):
- Show sample structure
- Build basic frame
- Choose best materials
- Use phrases: "Make it strong!" "Which material?"
• Part 2 (6 mins):
- Cover structure top
- Secure materials
- Place figure inside
- Use phrases: "Cover carefully!" "Is it covered?"
10 mins - Hands-On Challenge 3: Rain Testing
• Part 1 (5 mins):
- Set up testing area
- Review spray bottle use
- Make final predictions
- Use phrases: "Ready to test!" "Will it work?"
• Part 2 (5 mins):
- Test each shelter
- Check figure dryness
- Compare results
- Use phrases: "Is it dry?" "Did it work?"
3 mins - Wrap-Up
• Review wind strength order
• Share discoveries
• Sing "Goodbye Song"
Safety Notes:
- Controlled water use
- Proper scissors handling
- Clean workspace
- Careful material handling