Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1190
Points per Word
0.00042
Page Count
24
Points per Page
0.020833
Series
Zoom in on Engineering
Description
Readers focus on the aspects of tunnels, such as the history of their invention, technological advances in their materials and designs, and examples of their use both in ordinary life and extraordinary situations.