Why do chameleons change color and how does the process work?

Chameleons change color to blend in with their surroundings or show how they feel, just like you might wear a hat when it’s cold or a bright shirt when you’re happy.

Chameleons have special cells in their skin called chromatophores, which are like tiny colored balloons. When the chameleon wants to change color, these balloons pop up or shrink down, changing the way light bounces off its skin, kind of like how a mood ring changes colors when you touch it.

Imagine your skin could change color like a drawing that you can erase and redraw instantly. That’s what happens with chameleon skin! They use chromatophores in different layers of their skin to make all kinds of colors. Some cells are responsible for bright colors, while others help with darker tones, it's like having a crayon box inside your skin.

Chameleons also have special nerve connections that send messages from their brain to these color-changing cells. When they see something new or feel a change in mood, the message goes down like a signal on a toy train track, telling the cells what to do, and poof, the chameleon changes color!