Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2540
Points per Word
0.000197
Page Count
32
Points per Page
0.015625
Description
This book describes microscopic organisms that can cause illness and disease, including bacteria, viruses, protozoa, and fungi.