PhET Simulation: Balloons & Buoyancy

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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.

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 not 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	- Lower Undergraduate - High School - Informal Education	- Instructional Material = Activity = Curriculum support = Interactive Simulation

Intended Users	Formats	Ratings
- Learners - Educators	- application/java - text/html	Currently 0.0/5 Want to rate this material? Login here!

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:: The Physics To Go

The Physics Front

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ComPADRE is beta testing Citation Styles!

Record Link

<a href="https://www.compadre.org/introphys/items/detail.cfm?ID=6096">PhET. PhET Simulation: Balloons & Buoyancy. Boulder: PhET, November 15, 2007.</a>

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 October 11, 2026, 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 11 October 2026).

MLA Format

PhET Simulation: Balloons & Buoyancy. Boulder: PhET, 2007. 15 Nov. 2007. 11 Oct. 2026 <https://phet.colorado.edu/en/simulations/balloons-and-buoyancy>.

BibTeX Export Format

@misc{ Title = {PhET Simulation: Balloons & Buoyancy}, Publisher = {PhET}, Volume = {2026}, Number = {11 October 2026}, 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 2026 %N 11 October 2026 %8 November 15, 2007 %9 application/java %U https://phet.colorado.edu/en/simulations/balloons-and-buoyancy

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

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

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