Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1070
Points per Word
0.000467
Page Count
25
Points per Page
0.02
Series
PM Plus Silver
Description
The pull of the Earth's force of gravity holds things onto Earth's surface and gives them weight. Read about the solar system and how it affects gravity.