Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2101
Points per Word
0.000238
Page Count
32
Points per Page
0.015625
Description
This book explains what an expansion spring is, how springs make riding in a car more comfortable, and how springs help us jump high on a trampoline.