Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3617
Points per Word
0.000276
Page Count
32
Points per Page
0.03125
Series
Science Files: Energy
Description
This book discusses coal, from its origin in ancient forests to its versatility as a fossil-fuel source of heat and electricity.