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published by the Exploratorium
This activity from the Exploratorium provides an introduction to the diffraction of light which indicates its wavelike properties.  Two pencils are used to create a slit through which a flashlight bulb or candle's light is examined.  The site contains an explanation of the observed interference patterns, additional materials that can be experimented with, and an extension activity. This activity is part of Exploratorium's Science Snacks series.
Subjects Levels Resource Types
- Diffraction
- Interference
- High School
- Middle School
- Informal Education
- Instructional Material
= Activity
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© 2006 Exploratorium
band, diffraction, interference, wave
Record Creator:
Metadata instance created June 12, 2006 by Ann Deml
Record Updated:
May 6, 2008 by Lyle Barbato
Last Update
when Cataloged:
July 30, 2006
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Record Link
AIP Format
(Exploratorium, San Francisco, 2006), WWW Document, (
Diffraction (Exploratorium, San Francisco, 2006), <>.
APA Format
Diffraction. (2006, July 30). Retrieved July 24, 2024, from Exploratorium:
Chicago Format
Exploratorium. Diffraction. San Francisco: Exploratorium, July 30, 2006. (accessed 24 July 2024).
MLA Format
Diffraction. San Francisco: Exploratorium, 2006. 30 July 2006. 24 July 2024 <>.
BibTeX Export Format
@misc{ Title = {Diffraction}, Publisher = {Exploratorium}, Volume = {2024}, Number = {24 July 2024}, Month = {July 30, 2006}, Year = {2006} }
Refer Export Format

%T Diffraction %D July 30, 2006 %I Exploratorium %C San Francisco %U %O text/html

EndNote Export Format

%0 Electronic Source %D July 30, 2006 %T Diffraction %I Exploratorium %V 2024 %N 24 July 2024 %8 July 30, 2006 %9 text/html %U

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