Lightbulbs (Rookie Read-About Science: How Things Work)

How does a lightbulb work?

Press a button. Flip a switch. And - like magic - light fills a room. It''s all thanks to the humble lightbulb. This book introduces readers (Ages 6-7) to the simple science of the lightbulb. And it explains how science has continued to improve upon the little glass bulb that so brightens our world.