In this book, early readers will learn why the sky looks blue. Vibrant, full-color photos and carefully leveled text will engage beginning readers as they learn about the visible light spectrum and how sunlight reacts with particles in the air to affect the sky's color. A picture...
In this book, early readers will learn why the sky looks blue. Vibrant, full-color photos and carefully leveled text will engage beginning readers as they learn about the visible light spectrum and how sunlight reacts with particles in the air to affect the sky's color. A picture...