K1L20 Big and Small
Lesson Duration: 45 minutes
Grade: K1
Preparation Time: 15 minutes
Learning Objectives:
1. Compare shadow sizes
2. Understand basic distance concepts
3. Practice spatial awareness
Materials Needed:
- Flashlight (1 for teacher, 2-3 for activities)
- White projection screen or blank wall
- Shadow cards:
• Frog card (2-3 cards)
• Fly card (2-3 cards)
- Card holders or stands
- Collection of toys:
• Small toys (cars, animals, blocks)
• Medium toys (dolls, larger animals)
• Large toys (stuffed animals)
- Distance markers on floor (tape lines)
- Safety note: All materials should be child-safe, no sharp edges
Lesson Procedure
3 mins - Welcome Time
• Lead "Hello Song"
• Dim room lights slightly
• Show flashlight beam on wall
• Create small and large hand shadows
5 mins - Discovery Chat
• Display frog shadow card close to wall
• Move card back to show size change
• Point to big and small shadows
• Create simple movement with shadows
7 mins - Hands-On Challenge 1: Frog and Fly Story
• Position screen or white wall
• Place frog card near wall (small shadow)
• Move frog card back (big shadow)
• Add fly card to create story
• Demonstrate distance changes
• Invite children to observe size changes
• Help children create their own shadows
12 mins - Hands-On Challenge 2: Dancing Shadows
Part 1 (6 mins):
• Select various toys
• Create toy shadows
• Move flashlight closer and farther
• Show shadow size changes
• Guide children to watch movement
Part 2 (6 mins):
• Hold toys at different distances
• Create moving shadows
• Invite children to make predictions
• Support children in shadow exploration
15 mins - Hands-On Challenge 3: Size Investigation
Part 1 (7 mins):
• Place toys on distance markers
• Create shadows of each toy
• Compare shadow sizes
• Show how distance affects size
Part 2 (8 mins):
• Guide children to different markers
• Help position toys
• Support shadow creation
• Lead size comparison activities
3 mins - Wrap-Up
• Create one final big shadow together
• Turn lights back on gradually
• Lead goodbye song
Safety Notes:
- Maintain partial lighting
- Secure all equipment
- Keep movement areas clear
- Ensure constant supervision
Reference
For better understanding of forest animal homes and to enrich your teaching preparation, please watch these reference videos:
https://www.youtube.com/watch?v=c21xZqGtjXI
https://www.youtube.com/watch?v=eeqHVvg1Qig
https://www.youtube.com/watch?v=nwzshqLCRPI
https://www.youtube.com/watch?v=z-3KQvceLGA&t=68s
https://www.youtube.com/watch?v=YuUJCNzfoBw
https://www.youtube.com/watch?v=lOIGOT88Aqc
https://www.youtube.com/watch?v=fy7eoMef3e8
Important:
• These videos are for teacher reference only and should not be shown directly to students
• Instead, extract key concepts and adapt them to K1 level using:
- Simple vocabulary
- Clear, brief explanations
- Age-appropriate examples
• Use the provided lesson PowerPoint images to support your teaching
• Focus on interactive demonstration and hands-on activities rather than passive viewing
• Keep explanations concrete and relatable to young learners' experiences
Big and Small Shadows PowerPoint Content
Slide 1: Title
Title (font size 60): "Big and Small Shadow Magic!"
Visuals:
• Animated shadows growing and shrinking
Teacher Talk: "Hello friends! Today we'll make shadows change size!"
Safety Note: "Remember to be careful with lights"
Slide 2: Meet Size-Change Sam
Title (font size 48): "Meet Sam!"
Visuals:
• Friendly shadow character in two sizes
• Distance markers showing near and far
Text:
• "This is Size-Change Sam!"
• "Watch Sam grow big and small!"
• "Can you say 'Big' and 'Small'?"
Safety Note: "Keep space between friends"
Slide 3: Shadow Sizes
Title (font size 48): "Growing Shadows"
Content text (font size 36): "Shadows can change!"
Visuals:
• Same object creating different shadow sizes
• Distance markers
Text:
• "Look! The shadow grows!"
• "Watch what happens when we move!"
• "Let's try making shadows change!"
Safety Note: "Walk carefully in dim light"
Slide 4: Magic Words
Title (font size 48): "Shadow Size Words"
Content text (font size 36):
• "NEAR = SMALL! ????"
• "FAR = BIG! ????"
Visuals:
• Object near light source (small shadow)
• Object far from light source (big shadow)
Text:
• "Near makes small shadows"
• "Far makes big shadows"
• "Let's say together: NEAR! FAR!"
Slide 5: Frog and Fly Story
Title (font size 48): "Shadow Story Time"
Visuals:
• Frog and fly shadow cards
• Different shadow sizes
Text:
• "Watch the frog catch the fly!"
• "The shadows will help tell our story!"
Safety Note: "Handle cards gently"
Slide 6: Dancing Shadow Time
Title (font size 48): "Shadow Dance!"
Visuals:
• Toy shadows at different distances
• Movement arrows showing direction
Text:
• "Let's make shadows dance!"
• "Watch them grow and shrink!"
• "Can you make your shadow dance?"
Safety Note: "Move slowly and carefully"
Slide 7: Shadow Investigation
Title (font size 48): "Shadow Scientists!"
Visuals:
• Distance markers on floor
• Objects at different positions
Text:
• "Where will the shadow be biggest?"
• "Let's test different spots!"
• "Can you predict the size?"
Safety Note: "Stay on your marker"
Slide 8: Size Matching Game
Title (font size 48): "Match the Sizes!"
Visuals:
• Objects and their shadows
• Size comparison examples
Text:
• "Can you match the sizes?"
• "Which shadow belongs to which toy?"
• "Let's solve the shadow puzzle!"
Safety Note: "Take turns with friends"
Slide 9: Well Done!
Title (font size 48): "Shadow Size Masters!"
Visuals:
• Happy Size-Change Sam
• Big and small celebration effects
Text:
• "Amazing shadow work today!"
• "What makes shadows change size?"
• "Shadows can be fun!"
• "Goodbye, friends!"
Safety Note: "Always be careful with lights"