Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2298
Points per Word
0.000218
Page Count
32
Points per Page
0.015625
Series
Bookweb
Description
On Earth, the energy that starts inside the Sun becomes part of an energy chain that can have many parts and last for millions of years.