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Color and Light, Third Edition

Students use prisms to investigate the full range of colors in white light, called the visible spectrum. They experiment with subtractive color mixing and discover the significance of the primary pigments. Students separate pigments with paper chromatography and then combine colors by blending filtered light beams. Experiences with both subtractive and additive mixing help students understand the role of the eyes and brain in perceiving color. That understanding is extended as students identify the dot patterns in printed pictures and manipulate color filters to make colors disappear. Students also explore afterimages and phantom images, turn two-dimensional drawings into three-dimensional drawings, and demonstrate persistence of vision.

In the Delta Science Reader Color and Light, students read about different aspects of light and color. They discover that different surfaces and substances reflect, absorb, and refract light. They learn how we see things in general and how we see color in particular. They also read about a famous astronomer¿Annie Jump Cannon¿and her work with stellar spectra. Finally, students learn about color blindness.

Click here to view the Teacher Preparation Video for this Delta Science Module.