Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1301
Points per Word
0.000384
Page Count
24
Points per Page
0.020833
Description
This book discusses forces that change Earth's surface, including the movement of plates, volcanoes, and earthquakes, and the effects of those forces.