Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5459
Points per Word
0.000183
Page Count
32
Points per Page
0.03125
Description
Photographs and illustrations introduce readers to how fossil fuels are formed, how the Sun, water, and wind are used as energy sources, and the steps humans must take in order to protect Earth's natural resources.