observe your shadow during morning afternoon and evening times write a report on your observation

Observation -

1. When the Sun is high in the sky (late spring, summer, early fall, noontime) the shadows are short
2. When the Sun is at an intermediate height in the sky (spring, fall, early or late in the day) the shadows are of intermediate length
3. When the Sun is low in the sky (late fall, winter, early spring, or very early or very late in the day) the shadows are the longest