Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5688
Points per Word
0.000176
Page Count
48
Points per Page
0.020833
Description
This introduction to physical change explains its many types and uses, including the role of heat and pressure and what happens to atoms as substances move between the three main states of matter.