Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4328
Points per Word
0.000231
Page Count
32
Points per Page
0.03125
Series
Earth's Resources
Description
This book discusses why oil is one of the world's most valuable resources. It is used both as a source of energy and as a raw material for making many other things. It is also called petroleum, which comes from the Latin words for "rock oil."