Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1515
Points per Word
0.00033
Description
Explains in simple terms what makes day light and the night dark, how an electric lightbulb works, why we can see out of windows, and why some animals have hundreds of eyes, including simple experiments to help you understand the fundamentals of science.