Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3749
Points per Word
0.000267
Page Count
32
Points per Page
0.03125
Series
Science Files: Energy
Description
From the influence of Earth's rotation, gravity, natural tides and currents, and its liquid/solid/vapor cycle, the renewable energy created by moving water play a vital role in lifestyles and affects global economies.