Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1991
Points per Word
0.000251
Page Count
24
Points per Page
0.020833
Series
Rock Science
Description
Table salt is a type of crystal that people use every day. The smallest crystal in the world is made of just two electrons. This book introduces the fundamentals of geology and explores the various types of crystals.