Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5420
Points per Word
0.000185
Page Count
48
Points per Page
0.020833
Series
First Science Experiments
Description
In this book, learn more about the simple machines that make life easier, from wheels and axles to wedges and screws. The coauthor is Leslie Johnstone.