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+ Chapter 2: Section 2 Visible light and Color. + When light strikes an object, it is reflected, transmitted, or absorbed. Light ON Light OFF.

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Presentation on theme: "+ Chapter 2: Section 2 Visible light and Color. + When light strikes an object, it is reflected, transmitted, or absorbed. Light ON Light OFF."— Presentation transcript:

1 + Chapter 2: Section 2 Visible light and Color

2 + When light strikes an object, it is reflected, transmitted, or absorbed. Light ON Light OFF

3 + What is reflecting light? What is absorbing light? What is transmitting light?

4 + Transparent materials transmit light. You can see things on the other side of the material.

5 + Translucent materials scatter light. Things on the other side of the material look blurry.

6 + Opaque material reflects or absorbs all the light that hits it. You can’t see through it.

7 + What color is the apple? What color does it REFLECT? What color does it ABSORB?

8 + The color of an opaque object is the color of the light it REFLECTS.

9 + You see…. The apple only looks red if it REFLECTS red light to your eye.

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12 + What about Black and white? Black White

13 + Why can’t you see well at night? There is very little light to reflect off objects and back to your eye. Only your most sensitive light-gathering cells are at work at night. What are they?

14 + Remember yesterday’s activity! What did we investigate? What did we find out?

15 + What is a prism? A transparent object which reflects and transmits light

16 Visible Light

17 + Wavelength Red shortest Violet longest

18 + Combining Colors- Light Key Concept: When combined in equal amounts, the three primary colors of light produce white light. Primary colors: Red, Green, Blue Secondary colors: Yellow, cyan, Magenta Add up the primary colors = ?

19 Combining Colors- Pigments The primary colors of pigments combine in equal amounts to form black. Primary pigments: Magenta, Cyan, Yellow Secondary pigments: red, green, and blue Add primary pigments =?


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