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published by the Exploratorium
This activity demonstrates the additive properties of light.  Different-colored lights are shown on the same spot on a screen so that the reflecting light is white.  Colored shadows, however, can be made by holding an object between the light sources and the screen.  The site provides an explanation for how this occurs along with extension activities and information about the eye's retina. Materials needed and assembly instructions are also included. This activity is part of Exploratorium's Science Snacks series.
Subjects Levels Resource Types
Optics
- Color
- The Eye
- Informal Education
- Middle School
- High School
- Instructional Material
= Activity
Intended Users Formats Ratings
- Learners
- Educators
- text/html
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Access Rights:
Free access
Restriction:
© 2006 Exploratorium
Keywords:
additive mixture, additive primaries, shadow
Record Creator:
Metadata instance created June 13, 2006 by Ann Deml
Record Updated:
August 2, 2016 by Lyle Barbato
Last Update
when Cataloged:
August 4, 2006
Other Collections:

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Record Link
AIP Format
(Exploratorium, San Francisco, 2006), WWW Document, (https://www.exploratorium.edu/snacks/colored-shadows).
AJP/PRST-PER
Colored Shadows (Exploratorium, San Francisco, 2006), <https://www.exploratorium.edu/snacks/colored-shadows>.
APA Format
Colored Shadows. (2006, August 4). Retrieved April 26, 2024, from Exploratorium: https://www.exploratorium.edu/snacks/colored-shadows
Chicago Format
Exploratorium. Colored Shadows. San Francisco: Exploratorium, August 4, 2006. https://www.exploratorium.edu/snacks/colored-shadows (accessed 26 April 2024).
MLA Format
Colored Shadows. San Francisco: Exploratorium, 2006. 4 Aug. 2006. 26 Apr. 2024 <https://www.exploratorium.edu/snacks/colored-shadows>.
BibTeX Export Format
@misc{ Title = {Colored Shadows}, Publisher = {Exploratorium}, Volume = {2024}, Number = {26 April 2024}, Month = {August 4, 2006}, Year = {2006} }
Refer Export Format

%T Colored Shadows %D August 4, 2006 %I Exploratorium %C San Francisco %U https://www.exploratorium.edu/snacks/colored-shadows %O text/html

EndNote Export Format

%0 Electronic Source %D August 4, 2006 %T Colored Shadows %I Exploratorium %V 2024 %N 26 April 2024 %8 August 4, 2006 %9 text/html %U https://www.exploratorium.edu/snacks/colored-shadows


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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

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