
In Light Bulbs, early fluent readers learn about the science, engineering, and technology behind light bulbs. Vibrant, full-color photos and carefully leveled text engage young readers as they learn about this important technology. A diagram illustrates parts of a light bulb,...

A firefly is an insect that can make light by mixing chemicals inside its body! This book introduces children to light sources, light rays, and the scientific concept of reflection.

A firefly is an insect that can make light by mixing chemicals inside its body This book introduces children to light sources, light rays, and the scientific concept of reflection.

