Page 1 - INVESTIGATING SHADOW LENGTH
P. 1
SAI International School
CLASS-3
LN INVESTIGATING SHADOW LENGTH
Learning Objectives
Students should be able to relate the change in shadow length to the position
the sky.
Shadow
A shadow is a dark area formed when an object blocks
light.
Sun’s Position and Time of Day
In the morning, the sun is low in the sky → long
shadows.
At noon, the sun is overhead → short shadows.
In the evening, the sun is low again → long shadows.
Shadows are longest in the morning and evening.
Shadows are shortest at noon when the sun is directly
overhead.
The sun’s position in the sky changes throughout the day. When the sun is low
(morning/evening), it casts long shadows. When it is high (noon), shadows
become shorter.
Importance
Shadow length changes depending on the sun's position. This concept is
important for understanding time, sun dials, and how sunlight affects objects
on Earth.
