Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.9
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
945
Points per Word
0.000529
Page Count
24
Points per Page
0.020833
Series
Simple Machines (Rigby)
Description
Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.