Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6056
Points per Word
0.000165
Page Count
48
Points per Page
0.020833
Series
High-Tech Science
Description
Full-color images and explanatory text introduce the technology behind touch screens. Readers will learn how layers of glass, metal, and LEDs work together to control machinery in a factory, help surgeons perform medical procedures, and much more.