Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4008
Points per Word
0.00025
Page Count
40
Points per Page
0.025
Series
Mission: Science
Description
Through text and coordinating photographs, the two types of forces that change Earth's surface are examined, as well as the landforms they create.