Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6914
Points per Word
0.000145
Series
Science at Work (Raintree)
Description
This book discusses different kinds of machines, from digital thermometers and jet engines to elevators and microwave ovens, describing how they work and how they are used.