Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
8738
Points per Word
0.000114
Page Count
80
Points per Page
0.0125
Description
From the days of candles, gaslight, and kerosene lamps to today's neon lights and light-emitting diodes, this book explores the history and science of how electricity and the light bulb lit the way for change in daily life.