Buoyancy
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About
Topics
- Buoyancy
- Density
Description
When will objects float and when will they sink? Learn how buoyancy works with blocks. Arrows show the applied forces, and you can modify the properties of the blocks and the fluid.
Sample Learning Goals
- Predict whether an object will sink or float when placed in a liquid, given densities of the object and liquid
- Apply the definition of density to both liquids and solids
- Relate the buoyant force on an object to the weight of liquid it displaces
- Describe how the buoyant force is related to an object's relative density to the fluid
- Predict the weight of a completely or partially submerged object of known mass and volume
- Describe the forces that act on a completely or partially submerged object
- Explain how an object that is more dense than water can be kept afloat by placing it on an object that is less dense than water
For Teachers
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
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Authors | Level | Type |
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| Algebra-based Physics Semester one lessons, clicker questions, and schedule in pdf (Inquiry Based) |
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Trish Loeblein | UG-Intro HS |
HW Lab Demo |
| Buoyancy: How Does Buoyant Force Act on Objects in a Fluid? |
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Trish Loeblein | UG-Intro HS |
Lab |
| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | MS HS |
Other | ||
| Buoyancy Lesson | Molly Hagan | K-5 | Guided | ||
| Buoyancy and Density | Jared Schmidt | HS MS |
Lab | ||
| Pool Cubes 2 - Buoyancy | Dean Baird, Paul G. Hewitt | HS UG-Intro |
Lab | ||
| Fluids Lab | Travis Brown | HS | Lab | ||
| Buoyancy Lab | Jeremy Wegner | MS HS |
HW Lab |
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| Zinken, zweven of drijven. | Loran de | HS | Lab | ||
| Perchè i corpi galleggiano | Rosangela Mapelli | HS | Lab Guided |
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| Simulações no Ensino de Fisica | Carla Tavares | HS | MC Guided Demo Discuss Other HW Lab |
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| Fuerza de Empuje, Densidad de Objetos y Fluidos | Elvis Rivera | HS MS |
Demo Lab |
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| Principio de Arquimedes | daniel cruz ochoa | MS | Lab |
Translations
Related Simulations
Software Requirements
| Windows | Macintosh | Linux |
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Microsoft Windows XP/Vista/7/8.1/10 Macromedia Flash 9 or later
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OS X 10.9.5 or later Macromedia Flash 9 or later
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Macromedia Flash 9 or later
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Credits
| Design Team | Third-party Libraries | Thanks To |
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