Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2569
Points per Word
0.000195
Page Count
32
Points per Page
0.015625
Series
Imitating Nature
Description
With its streamlined body and highly adapted wings, a penguin is the perfect ocean-going machine. By studying penguin locomotion, scientists are learning to build vessels that are driven by flippers instead of propellers.