Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
3.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1772
Points per Word
0.000282
Page Count
31
Points per Page
0.016129
Series
Simple Science Projects
Description
Provides instructions for making or using windmills, pinwheels, kites, and other devices that need air to set them in motion.