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 Color AnalyzersStudents investigate light and color using diffraction gratings and color filters. With color filters, they decipher and create secret messages. A background section plus concise information on color, light, and how the eye and brain sense and comprehend color is included. Also included is a class set of red and green filters and diffraction grating. The colorful front cover contains a secret message! Grades 5-9.Our Price: $21.00 |
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