Name Date

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Section 2 Light and Color

Predict Read the title of Section 2. List three topics that might be
discussed in this section. Accept all reasonable responses.
1. How do we see different colors?

2. Why are some people color blind?

3. Is mixing light similar to mixing colors?

Review
Vocabulary Define wavelength to show its scientific meaning. Write a
sentence to demonstrate the meaning.
wavelength distance between one point on a wave and the nearest point just

like it

New
Vocabulary Use your book to define these terms.
filter a transparent material that selectively transmits light
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

pigment a colored material that is used to change the color of other

substances

Academic
Vocabulary Use a dictionary to define the term visible. Write a sentence to
show its scientific meaning.
visible capable of being seen by the human eye

The reflective clothing made the pedestrians more visible after

dark.

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Section 2 Light and Color (continued)

Colors Complete the graphic organizer about black and white color
I found this information reflection.
on page .
SE, p. 373 A white object A black object
RE, p. 213

reflects all color absorbs all colors of

of light back to your eyes. light and reflects little or
no light back to your eyes.

Seeing Color Model Figures A, B, and C represent children’s building blocks. Fill
I found this information in the table below to show how each block reflects and absorbs
on page . light. Part of the table has been filled in for you.
SE, p. 374
RE, p. 213

red orange green

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

A B C

Color(s) Block A Block B Block C

Reflected red orange green
Absorbed orange, yellow, red, yellow, red, orange,
green, blue, green, blue, yellow, blue,
indigo, indigo, violet indigo, violet

Filtering Colors Complete the following information about filters.

I found this information transparent
on page . A filter is a material that transmits
SE, p. 375 one or more colors of light absorbs
but all others.
RE, pp. 213–214
filter
The name of the color of a is the color of the
light transmits
that it .

150 Light
 Name Date

Section 2 Light and Color (continued)

Filtering Color Distinguish between the colors each of blocks A (red), B (orange),
I found this information and C (green) would look through a red filter. Label each block
on page . according to the color that it would appear.
SE, p. 375
RE, p. 214

red black black

A B C

Mixing Colors Organize information about how colors mix.

I found this information
on page . Mixing Colors
SE, pp. 376–377
RE, p. 215
Light Pigment
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Red Blue Green Cyan Magenta Yellow

Magenta Cyan Purple Orange

Yellow Green

CONNECT IT Describe how a rainbow would look if viewed through an

indigo filter.
Accept all reasonable responses. The indigo portion of the rainbow will be seen (as

indigo), but the rest of the rainbow will look black.

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