Presentation about formation of shadows

1. FORMATION OF SHADOWS
Science Presentation – Class 6

2. Introduction to Shadows
• A shadow is a dark shape formed when light is
blocked.
– Light travels in a straight line.
– Shadows are seen every day.

3. Things Needed to Form a Shadow
• A source of light (Sun, torch, candle)
– An opaque object (book, ball)
– A screen or wall

4. How is a Shadow Formed?
Light
Object
S
c
r
e
e
n
Shad
ow

5. Types of Objects
• Opaque – Forms dark shadow
– Translucent – Forms faint shadow
– Transparent – Does not form shadow

6. Size of Shadow
• Object close to light → Big shadow
– Object far from light → Small shadow
– Shadow changes during the day

7. Fun Activity
• Use a torch and your hand
– Make shadow animals on the wall
– Observe size and shape

8. Conclusion
• Shadows are formed when light is blocked
– Light, object, and screen are needed
– Shadow size depends on position