Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3802
Points per Word
0.000263
Page Count
40
Points per Page
0.025
Description
This collective biography presents the work and accomplishments of a variety of scientists who study Earth and specialize in one aspect of our world, such as rocks, gravity, or climate.