Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3547
Points per Word
0.000282
Page Count
32
Points per Page
0.03125
Description
This book takes a look at the microcopic organisms, including mold and bacteria, discusses the causes of allergies, and looks at the invention of the microscope.