Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7008
Points per Word
0.000143
Page Count
32
Points per Page
0.03125
Series
Breakthrough Inventions
Description
This book chronicles the development of the electric light, detailing the science of the electrical current and a light bulb and following the improvements and technology that have changed history.