Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1368
Points per Word
0.000365
Page Count
32
Points per Page
0.015625
Series
Science Alliance
Description
Readers learn about different kinds of energy that power our world and how we can make sure we never run out.