Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.4
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2670
Points per Word
0.000187
Page Count
32
Points per Page
0.015625
Description
Simple text and photographs explain how minerals collect in ancient bones, why fish fossils are sometimes found on land, and how feathers can be preserved for millions of years.