Color

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Color

  1. 1. Color Page 106
  2. 2. Light on an Object <ul><li>When light strikes an object, the light can be reflected, transmitted, or absorbed </li></ul><ul><li>Reflected – Light bounces off object </li></ul><ul><li>Transmitted – Light passes through an object </li></ul><ul><li>Absorbed – Light does not leave object </li></ul>107
  3. 3. Light on an Object <ul><li>Transparent </li></ul><ul><li>Most light passes right through </li></ul><ul><li>Translucent </li></ul><ul><li>Scatters light </li></ul><ul><li>Can see through but details are blurred </li></ul><ul><li>Opaque </li></ul><ul><li>Absorbs all light </li></ul>108
  4. 4. Light on an Object 107
  5. 5. The Color of Objects <ul><li>The color of an opaque object </li></ul><ul><li>is the color of the light it reflects </li></ul>108
  6. 6. The Color of Objects <ul><li>The color of other objects </li></ul><ul><li>is the color of the light it transmits </li></ul>109
  7. 7. Combining Colors <ul><li>Primary Colors </li></ul><ul><li>Three colors that can combine to make any other color </li></ul><ul><li>Secondary Color </li></ul><ul><li>Equal combination of two primary colors </li></ul>110
  8. 8. Mixing Light <ul><li>Primary Colors </li></ul><ul><li>Blue, Green, Red </li></ul><ul><li>All together they make white </li></ul><ul><li>Secondary Colors </li></ul><ul><li>Yellow = Red + Green </li></ul><ul><li>Magenta = Red + Blue </li></ul><ul><li>Cyan = Blue + Green </li></ul><ul><li>Complementary Colors </li></ul><ul><li>Primary + Secondary Color that make white </li></ul>110
  9. 9. Mixing Light <ul><li>Complementary Colors </li></ul><ul><li>Primary + Secondary Color that make white </li></ul><ul><li>Green + Magenta </li></ul><ul><li>Blue + Yellow </li></ul><ul><li>Red + Cyan </li></ul>110
  10. 10. TV <ul><li>Just use combinations of primary colors </li></ul>110
  11. 11. Mixing Pigments <ul><li>Pigments absorb some color </li></ul><ul><li>reflect others </li></ul><ul><li>When added together you get black </li></ul><ul><li>Primary pigments </li></ul><ul><li>Magenta </li></ul><ul><li>Yellow </li></ul><ul><li>Cyan </li></ul>111
  12. 12. Mixing Pigments <ul><li>Secondary Pigments </li></ul><ul><li>Green </li></ul><ul><li>Red </li></ul><ul><li>Blue </li></ul><ul><li>Printer Ink </li></ul><ul><li>Primary Colors + Black ink (four color printing) </li></ul>111
  13. 13. Review <ul><li>Reflected, transmitted, absorbed </li></ul><ul><li>Transparent, translucent, opaque </li></ul><ul><li>How do objects get color? </li></ul><ul><li>Primary, Secondary, Complementary Colors </li></ul><ul><li>Light Colors </li></ul><ul><ul><li>Mix all you get White </li></ul></ul><ul><ul><li>Blue, Green, Red </li></ul></ul><ul><ul><li>Magenta, Cyan, Yellow </li></ul></ul><ul><li>Pigment Colors </li></ul><ul><ul><li>Mix all you get Black </li></ul></ul>
  14. 14. Quiz
  15. 15. Homework <ul><li>Chose a pigment or light to mix. </li></ul><ul><li>Describe how the colors mix and what the primary, secondary and complementary colors are. </li></ul>

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