Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.6
Points
5.0
Fiction/Nonfiction
Nonfiction
Word Count
26559
Points per Word
0.000188
Page Count
143
Points per Page
0.034965
Description
This book suggests projects demonstrating such outer space principles and phenomena as gravity wells, rocket propulsion, and planetary motion.