Visible light and Color

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Slide 1

Visible Light & Color

OBJECTIVE:

SWBAT identify the different colors of the visible light and compare each of its frequency and wavelength.

Slide 2

Essential Question:

How do we perceive colors?

Slide 3

What is visible light?

-smallest part of the EM spectrum that the human eyes can see

Red to Violet (ROYGBIV)

Slide 4

What are the different colors of visible light?

Red – lowest energy, longest wavelength

Orange

Yellow

Green

Blue

Indigo

Violet – highest energy, shortest wavelength

ROY G BIV

Slide 5

Which color has the most energy and short/small wavelength???

Slide 6

Color

Violet the HIGHEST energy… and SHORT wavelength

Slide 7

Which color has the lowest energy and long/big wavelength???

Slide 8

Color

Red the LOWEST energy… and LONG wavelength

Slide 9

What happens when you wear WHITE on a hot day?

Slide 10

How do we get white?

???

Slide 11

White light

ALL the colors ROY G BIV being REFLECTED

Slide 12

What happens when you wear BLACK on a hot day?

Slide 13

How do we get black?

???

Slide 14

Black

ALL colors of rainbow being ABSORBED.

Slide 15

Example: Fashion

Fall/Winter Colors

Spring/Summer Colors

Slide 16

4. How do we see color?

Slide 17

How do we see colors?

First, light goes from the source (sun, lamp, etc.) to the object.