Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5396
Points per Word
0.000185
Page Count
32
Points per Page
0.03125
Description
Learn how gravity was discovered and why it helps us to understand everything from how toothpaste comes out of the tube to the movements of the planets.