Principal Sponsors
Makes grants to address the most serious social and environmental problems facing society, where risk capital, responsibly invested, may make a difference over time.
National Science Foundation
An independent federal agency created by Congress in 1950 to promote the progress of science.
King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.
The O'Donnell Foundation is devoted to building model programs to enhance the quality of education.
Balloons & Buoyancy
Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.
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Teaching Resources
Main Topics
- Gas
- Buoyancy
Sample Learning Goals
- Determine what causes the the balloon, rigid sphere, and helium balloon to rise up or fall down in the box.
- Predict how changing a variable among P, V, T, and number influences the motion of the balloons.
Tips for Teachers
The teacher's guide (pdf) contains tips created by the PhET team.
Teaching Ideas
You can submit your own ideas and activities.
Related Simulations
Translated Versions:
| Language | Language (Translated) | Simulation Title | ||
|---|---|---|---|---|
| Albanian | shqipe | Balona dhe Pluskues | Run Now | |
| Arabic | العربية | المناطيد والطفو | Run Now | |
| Arabic, Saudi Arabia | العربية (السعودية) | المناطيد والطفو | Run Now | |
| Armenian | Armenian | Փուչիկներ և լողունություն | Run Now | |
| Basque | Basque | Globoak eta flotagarritasuna | Run Now | |
| Bosnian | Bosnian | GASNI ZAKONI | Run Now | |
| Brazilian Portuguese | português (Brasil) | Balões e Empuxo | Run Now | |
| Chinese - Simplified | 中文 (中国) | 气球和浮力 | Run Now | |
| Chinese - Traditional | 中文 (台灣) | 氣球和浮力 | Run Now | |
| Croatian | hrvatski | Plinski Zakoni | Run Now | |
| Czech | čeština | Balóny a Archimedův zákon | Run Now | |
| Danish | Dansk | Balloner og opdrift | Run Now | |
| Dutch | Nederlands | Ballonnen en opwaartse kracht | Run Now | |
| Estonian | Eesti | Õhupallid & üleslõkkejõud | Run Now | |
| Finnish | suomi | Ilmapallot ja noste | Run Now | |
| French | français | Ballons et Flottabilité | Run Now | |
| Galician | Gallegan | Balóns e Flotabilidade | Run Now | |
| Georgian | Georgian | ბალონები და ამომგდები ძალა | Run Now | |
| German | Deutsch | Ballons & Auftrieb | Run Now | |
| Greek | Ελληνικά | Μπαλόνια & Άνωση | Run Now | |
| Haitian | Haitian | Balon ak flotezon | Run Now | |
| Hebrew | עברית | בלונים וציפה | Run Now | |
| Hungarian | magyar | Léggömbök és felhajtóerő | Run Now | |
| Indonesian | Bahasa Indonesia | Balon dan Gaya Apung | Run Now | |
| Italian | italiano | palloni e galleggiamento | Run Now | |
| Japanese | 日本語 | 風船と浮力 | Run Now | |
| Kannada | Kannada | ಬಲೂನುಗಳು ಮತ್ತು ಪ್ಲವನತೆ | Run Now | |
| Kazakh | Kazakh | Әуе шардың & малтығыштқы | Run Now | |
| Khmer | Khmer | បាឡុង និងការអណ្ដែត | Run Now | |
| Korean | 한국어 | 풍선과 부력 | Run Now | |
| Lao | Lao | ໝາກປຸມເປົ້າ & ການລ່ອຍຕົວ | Run Now | |
| Latvian | Latviešu | Baloni un atsišanās | Run Now | |
| Macedonian | македонски | Закони на идеален гас | Run Now | |
| Marathi | Marathi | फुगा आणि प्लावकता | Run Now | |
| Moldavian | Moldavian | Balloons & Buoyancy | Run Now | |
| Mongolian | Mongolian | сав ба чадал | Run Now | |
| Norwegian Bokmal | Norwegian Bokmål | Ballonger og oppdrift | Run Now | |
| Persian | Persian | بادکنک ها و شناوری | Run Now | |
| Polish | polski | Balony i siła wyporu | Run Now | |
| Portuguese | português | Balões e Flutuação | Run Now | |
| Romanian | română | Baloane şi plutirea | Run Now | |
| Russian | русский | Воздушные шары и подъёмная сила | Run Now | |
| Serbian | Српски | ГАСНИ ЗАКОНИ | Run Now | |
| Slovak | Slovenčina | Balóny a vztlak | Run Now | |
| Slovenian | Slovenščina | Balon in vzgon | Run Now | |
| Spanish | español | Globos y flotación | Run Now | |
| Spanish (Peru) | español (Perú) | Globos y Flotabilidad | Run Now | |
| Swedish | svenska | Ballonger & bärkraft | Run Now | |
| Thai | ไทย | บัลลูนกับการลอยตัว | Run Now | |
| Tswana | Tswana | Gase e e seng ya Nnete & Bueyensi (Ideal Gas & Buoyancy) | Run Now | |
| Turkish | Türkçe | Balonlar ve Uçuculuk | Run Now | |
| Turkmen | Turkmen | Şarlar we ýüzüjilik | Run Now | |
| Vietnamese | Tiếng Việt | Bong bóng và Sự nổi | Run Now |
Software Requirements
| Windows | Macintosh | Linux |
|---|---|---|
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Microsoft Windows
XP/Vista/7 Sun Java 1.5.0_15 or later |
OS 10.5 or later
Sun Java 1.5.0_19 or later |
Sun Java 1.5.0_15 or later |
Credits
| Design Team | Third-party Libraries | Thanks To |
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