Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
8892
Points per Word
0.000112
Page Count
32
Points per Page
0.03125
Description
This introduction to electricity and other invisible forces describes what electricity is, how various people developed a better understanding of this form of energy, and includes how it is generated and used in everyday life.