Why do shadows change size?

Ever noticed your shadow changing size during the day? Let’s uncover the simple science behind this cool mystery!

Morning – The Long Shadow

In the morning, the Sun is low in the sky. Light comes at a slant, so your shadow stretches and looks very long.

Noon – The Shortest Shadow

At noon, the Sun is almost right above your head. Light falls straight down, making your shadow very small or almost invisible.

Evening – Long Again

In the evening, the Sun moves low again. The slanted light makes your shadow grow long once more—just like in the morning!

Try This at Home (Torch Experiment)

Bring your hand close to a torch—see the big shadow? Move it away—and the shadow becomes small. Distance from light matters!

Concept Trap – Clear the Confusion

❌ Wrong idea: Shadows change because objects change size. ✅ Correct idea: Shadows change because the angle and direction of light change.

NCERT Connect

This idea comes from Class 6 Science – Light, Shadows and Reflections. It also helps you understand basic light concepts in Class 7.

Shadows don’t change because you move — they change because light moves.
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