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PhET Simulation: Balloons & Buoyancy
published by the PhET
Available Languages: English, French, Spanish
This Java simulation experiments with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. The user can discover what makes some balloons float and others sink. Teaching ideas and activities are included. The direct link to the simulation is given as a mirror URL.

Note:  As of 2020, the PhET Project has partnered with Leaning Technologies to allow Java sims to run in a PC browser via CheerpJ. May currently be difficult to run on iPads.

Please note that this resource requires Java Applet Plug-in.
https://phet.colorado.edu/en/simulations/balloons-and-buoyancy
Subjects Levels Resource Types
Fluid Mechanics
- General
- Statics of Fluids
= Density and Buoyancy
Thermo & Stat Mech
- Models
= Ideal Gas
- High School
- Lower Undergraduate
- Informal Education
- Instructional Material
= Activity
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
- text/html
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Access Rights:
Free access
Restriction:
© 2007 University of Colorado, Physics Education Technology
Additional information is available.
Keywords:
Gas law, buoyancy, fluids, gas , pressure, temperature, thermodynamics
Record Cloner:
Metadata instance created November 15, 2007 by Alea Smith
Record Updated:
February 22, 2025 by Lyle Barbato
Last Update
when Cataloged:
November 15, 2007
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(PhET, Boulder, 2007), WWW Document, (https://phet.colorado.edu/en/simulations/balloons-and-buoyancy).
AJP/PRST-PER
PhET Simulation: Balloons & Buoyancy (PhET, Boulder, 2007), <https://phet.colorado.edu/en/simulations/balloons-and-buoyancy>.
APA Format
PhET Simulation: Balloons & Buoyancy. (2007, November 15). Retrieved July 5, 2025, from PhET: https://phet.colorado.edu/en/simulations/balloons-and-buoyancy
Chicago Format
PhET. PhET Simulation: Balloons & Buoyancy. Boulder: PhET, November 15, 2007. https://phet.colorado.edu/en/simulations/balloons-and-buoyancy (accessed 5 July 2025).
MLA Format
PhET Simulation: Balloons & Buoyancy. Boulder: PhET, 2007. 15 Nov. 2007. 5 July 2025 <https://phet.colorado.edu/en/simulations/balloons-and-buoyancy>.
BibTeX Export Format
@misc{ Title = {PhET Simulation: Balloons & Buoyancy}, Publisher = {PhET}, Volume = {2025}, Number = {5 July 2025}, Month = {November 15, 2007}, Year = {2007} }
Refer Export Format

%T PhET Simulation: Balloons & Buoyancy %D November 15, 2007 %I PhET %C Boulder %U https://phet.colorado.edu/en/simulations/balloons-and-buoyancy %O application/java

EndNote Export Format

%0 Electronic Source %D November 15, 2007 %T PhET Simulation: Balloons & Buoyancy %I PhET %V 2025 %N 5 July 2025 %8 November 15, 2007 %9 application/java %U https://phet.colorado.edu/en/simulations/balloons-and-buoyancy


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Citation Source Information

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

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