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published by the Exploratorium
This activity from the Exploratorium provides a classic science demonstration of the buoyancy of a Cartesian diver, named after scientist RenĂ© Descartes.  A diver made from a condiment packet is made to float, sink, or hover in a soda bottle in response to pressure changes.  The site also provides an explanation of what happens, suggestions for extensions, and a connection to the buoyancy of ships. This activity is part of Exploratorium's Science Snacks series.
Subjects Levels Resource Types
- Dynamics of Fluids
- High School
- Middle School
- Informal Education
- Instructional Material
= Activity
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Additional Information
Physics To Go This resource was a Physics To Go feature from February 14, 2007 until March 1, 2007. View the feature here!

Access Rights: Free access
Restriction: © 2006 Exploratorium
Has a copyright or other licensing restriction.
Keywords: Cartesian diver, buoyancy, density, pressure
Record Creator: Metadata instance created June 12, 2006 by Ann Deml
Record Updated: Aug 13, 2016 by Lyle Barbato
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Record Link
AIP Format
(Exploratorium, San Francisco, 2006), WWW Document, (
Exploratorium: Condiment Diver (Exploratorium, San Francisco, 2006), <>.
APA Format
Exploratorium: Condiment Diver. (2006). Retrieved May 21, 2024, from Exploratorium:
Chicago Format
Exploratorium. Exploratorium: Condiment Diver. San Francisco: Exploratorium, 2006. (accessed 21 May 2024).
MLA Format
Exploratorium: Condiment Diver. San Francisco: Exploratorium, 2006. 21 May 2024 <>.
BibTeX Export Format
@misc{ Title = {Exploratorium: Condiment Diver}, Publisher = {Exploratorium}, Volume = {2024}, Number = {21 May 2024}, Year = {2006} }
Refer Export Format

%T Exploratorium: Condiment Diver %D 2006 %I Exploratorium %C San Francisco %U %O text/html

EndNote Export Format

%0 Electronic Source %D 2006 %T Exploratorium: Condiment Diver %I Exploratorium %V 2024 %N 21 May 2024 %9 text/html %U

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