Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.5
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
23452
Points per Word
0.000171
Page Count
160
Points per Page
0.025
Description
Technology changes constantly, but the stages raw materials go through to become finished objects remain much the same. On every page of this book, these processes are described and illustrated step by step.