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Rainbows and Color

Rainbows and Color. Fall 2012. Introducing Rainbows. Ask students: How many of you have seen a rainbow? What about rainbows in places other than the sky? Show students the “rainbow” on their handout. Stress the order of the colors in the rainbow and how they always appear that way

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Rainbows and Color

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  1. Rainbows and Color Fall 2012

  2. Introducing Rainbows • Ask students: • How many of you have seen a rainbow? • What about rainbows in places other than the sky? • Show students the “rainbow” on their handout. • Stress the order of the colors in the rainbow and how they always appear that way • White light is composed of these six colors, and these give color to everything

  3. Rainbow glasses and cds • Pass out CDs and rainbow glasses to each student

  4. Color wheel demonstration • Demonstrate how the combination of the different colors makes white light

  5. Making a color wheel • Tell students that they are going to make their own color wheel by mixing the primary colors in exact proportions • Have students place the red drops first, followed by the blue, and lastly by the yellow. Stir the colors together with a toothpick (or finger). • Ask students to name what colors they have made • They can keep their colors by laying a paper towel on the sheet and blotting the liquid • They can repeat the experiment and “draw” all the colors into the center of the wheel and see that the end result is a dark brown/black color.

  6. Mixing colors in a palette (optional) • Students can now make their own color combinations in the palettes • Tell students that they can use the color wheel information as a guide to different shades of colors • Ask students how they can make black

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