Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7042
Points per Word
0.000142
Description
This book describes light sources, how lenses work, and how colour is produced. It also introduces revolutionary thinkers, from Alhazen to Foucault, who have helped us make sense of light and colour.