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Size: 1790
Comment:
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Size: 1789
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| 1. [http://en.wikipedia.org/wiki/Thermal_expansion: Wikipedia] | 1. [http://en.wikipedia.org/wiki/Thermal_expansion Wikipedia] |
Large Ball and Ring Stand , 4A30.20
Location:
Cabinet: Thermodynamics Cabinet
Bay: (A3)
Shelf: #1
attachment:4A30-20_01.jpg
Description:
This demonstration has a ball and ring with stand. It demonstrates the thermal expansion of the material by heating the ball.
Equipment |
Location |
ID Number |
|
|
|
A ring with stand and a ball with hanger |
[:ThermoCabinetBayA3: TD, A3, Shelf #1] |
4A30.20 |
Burner with an iron ring tripod and wire net screen |
location |
NA |
An iron ring tripod and a screen |
location |
NA |
Safety grove and glasses |
location |
NA |
Setup:
- Make sure that you have all apparatus in above table.
- First, show students that the ball can get through the ring.
- Heat the ball by the burner. It may take a lot of time, so just put it on the iron ring tripod and heat it.
- Then Put the ball over the ring. This time the ball should cannot get through the ring.
Cautions, Warnings, or Safety Concerns:
- Use caution with the burner.
- Wear safety glasses and grove for your safety.
Demonstration:
This demonstration show the thermal expansion property of the material which is the tendency of matter to change volume corresponding to the temperature changes.
attachment:4A30-20_01a.jpg |
attachment:4A30-20_02a.jpg |
attachment other photos |
attachment other photos |
References:
[http://en.wikipedia.org/wiki/Thermal_expansion Wikipedia]
[:ThermalProperties:Thermal Properties of Matter]
[:Demonstrations:Demonstrations]
[:Instructional:Home]