Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2497
Points per Word
0.0002
Page Count
32
Points per Page
0.015625
Series
Understanding Science
Description
This book presents information on the scientific principle of gravity, how it was discovered, and how knowledge of its effect is applied by astronomers.