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published by the Exploratorium
This Exploratorium activity shows color addition.  Different-colored lights are trained on the same spot on a screen so that the reflected light is white.  Colored shadows can be made by holding an object between the light sources and the screen.  The site provides an explanation for what happens along with extension activities and information about the eye's retina. This activity is part of Exploratorium's Science Snacks series.
Subjects Levels Resource Types
Light
- Color
- The Eye
- Informal Education
- Middle School
- High School
- Instructional Material
= Activity
Intended Users Formats Ratings
- Learners
- Educators
- text/html
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Additional Information
Physics To Go This resource was a Physics To Go feature from August 1, 2006 until August 16, 2006. View the feature here!


Access Rights: Free access
Restriction: © 2006 Exploratorium
Has a copyright or other licensing restriction.
Keywords: additive mixture, additive primaries, shadow
Record Creator: Metadata instance created June 13, 2006 by Ann Deml
Record Updated: May 06, 2008 by Lyle Barbato
Last Update
when Cataloged:
August 4, 2006
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(Exploratorium, San Francisco, 2006), WWW Document, (http://www.exploratorium.edu/snacks/colored_shadows/).
AJP/PRST-PER
Colored Shadows, (Exploratorium, San Francisco, 2006), <http://www.exploratorium.edu/snacks/colored_shadows/>.
APA Format
Colored Shadows. (2006, August 4). Retrieved December 20, 2014, from Exploratorium: http://www.exploratorium.edu/snacks/colored_shadows/
Chicago Format
Exploratorium. Colored Shadows. San Francisco: Exploratorium, August 4, 2006. http://www.exploratorium.edu/snacks/colored_shadows/ (accessed 20 December 2014).
MLA Format
Colored Shadows. San Francisco: Exploratorium, 2006. 4 Aug. 2006. 20 Dec. 2014 <http://www.exploratorium.edu/snacks/colored_shadows/>.
BibTeX Export Format
@misc{ Title = {Colored Shadows}, Publisher = {Exploratorium}, Volume = {2014}, Number = {20 December 2014}, Month = {August 4, 2006}, Year = {2006} }
Refer Export Format

%T Colored Shadows
%D August 4, 2006
%I Exploratorium
%C San Francisco
%U http://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 2014
%N 20 December 2014
%8 August 4, 2006
%9 text/html
%U http://www.exploratorium.edu/snacks/colored_shadows/


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Citation Source Information

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The APA Style presented is based on information from APA Style.org: Electronic References.

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