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, and an activity offers kids an opportunity to extend discovery. Children can learn more about light bulbs using our safe search engine that provides relevant, age-appropriate websites. Light Bulbs also features reading tips for teachers and parents, a table of contents, a glossary, and an index. Light Bulbs is part of Jump!'s How Does It Work? series.