Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2978
Points per Word
0.000168
Page Count
32
Points per Page
0.015625
Description
This book discusses ways nature has inspired technological innovations and focuses on how thistle burrs have helped scientists develop Velcro.