- Parent Category: 03 Thermal Physics
- Category: 04 Thermal Properties of Matter
- Created: Friday, 29 January 2021 13:56
- Last Updated: Friday, 19 March 2021 08:49
- Published: Friday, 29 January 2021 13:56
- Written by Shaun
- Hits: 1786
IntroductionThe purpose of this simulation is to show how the temperature of water changes over time, as it undergoes phase transitions, when supplied with energy at a constant rate.
Description of simulationThis simluation features both a graph of temperature over time, as well as a 'world view' to facillitate the students' understanding of how the shape of the water changes as it undergoes various phase transitions.
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Shaun Quek; lookang; inspired by a version from Andrew Duffy; http://physics.bu.edu/~duffy/HTML5/heat_addHeat.html
Sample Learning Goals
For the simulation, click here.
Description of the model
This model attempts to describe a sample of water that initially starts at -20°C, and has heat added to it at a constant rate. By default, the total mass of water is 100g. However this can be altered using the slider at the top right, to a maximum of 300g.
This simulation shows 3 panels: real world (for illustration purposes), a bar chart for the mass of water in the solid, liquid and gas states, and a graph of temperature as a function of time.
When the simulation is started, the temperature of water increases with time. However, as the water transitions between states (from sold to liquid, and liquid to gas), the temperature of water remains constant with time. The bar chart would also illustrate how the mass of water changes between states.
With these numbers and the information from the graph, you should be able to figure out the rate at which energy is added to the water sample. Don't forget to be amazed by how much time the sample spends changing phase.