Lesson 4 - Observing Shadow Patterns - What's going on in Mr. Solarz' Class?
Shadow of the Sun
diffused light The Prairie Ecologist
Shadow of the Sun – Matt Lakeman
Uncovering Secrets of Earth's Shadow - Sky & Telescope - Sky & Telescope
The Shadow Stick – Woodland Ways Blog – Bushcraft and Survival
The Seasons and Shadows - Riding the Winds with Kalani - University of Illinois Extension
First grade Lesson Observing the Sun
How does diffraction make a tree's shadow blurry?
Kindergarten Activity No. 57 : Shadow Drawing: Fun under the sun at home
The Science Of Sunlight And Shadows
How do direction and shadow change with directions of the Sun? - Quora
Shadow angles