Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.2
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7219
Points per Word
0.000139
Page Count
40
Points per Page
0.025
Series
Routes of Science
Description
This book describes the study of gravity throughout history, from the ponderings of the ancient Indians, Chinese, Babylonians, and Greeks to twentieth-century physicist Stephen Hawking's theories on black holes.