|
Size: 1280
Comment:
|
Size: 1769
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 22: | Line 22: |
| 1. Install the burner which is already in the blue box with the gas source. | 1. Install the gas tube from the burner which is already in the blue box with the gas source. 1. Make sure that you have the gas switch off and in the right pressure that you want before you turn it on. |
| Line 29: | Line 30: |
| Line 31: | Line 33: |
| This demonstration show that different material have different [http://en.wikipedia.org/wiki/Coefficient_of_thermal_expansion coefficient of thermal expansion] | This demonstration show that different materials have different [http://en.wikipedia.org/wiki/Coefficient_of_thermal_expansion coefficient of thermal expansion]. Once you choose a rod and place it on the holder, turn on the gas source to heat the rod. You will see that the orange tip scale will move to the left at some amount of rate. Then choose other rod in place of the previous one and heat it. The orange tip will move to the left at different rate. |
| Line 37: | Line 41: |
| 1. List any references | 1. [http://en.wikipedia.org/wiki/Coefficient_of_thermal_expansion Wikipedia] |
Thermal Expansion of Metal Rods , 4A30.58
Location:
Cabinet: Thermodynamics Cabinet
Bay: (A3)
Shelf: #1
(attachment photo showing the fully set up demonstration)
Description:
This can also be called expansion rods.
Equipment |
Location |
ID Number |
|
|
|
Metal blue box with rods |
[:ThermoCabinetBayA3: TD, A3, Shelf #1] |
4A30.58 |
Gas source |
|
|
A safety grove and glasses |
|
|
Setup:
- Install the gas tube from the burner which is already in the blue box with the gas source.
- Make sure that you have the gas switch off and in the right pressure that you want before you turn it on.
Cautions, Warnings, or Safety Concerns:
- Beware of the heated rods.
- Wear the safety grove and glasses.
Demonstration:
This demonstration show that different materials have different [http://en.wikipedia.org/wiki/Coefficient_of_thermal_expansion coefficient of thermal expansion]. Once you choose a rod and place it on the holder, turn on the gas source to heat the rod. You will see that the orange tip scale will move to the left at some amount of rate. Then choose other rod in place of the previous one and heat it. The orange tip will move to the left at different rate.
attachment other photos |
attachment other photos |
attachment other photos |
attachment other photos |
References:
[:ThermalProperties:Thermal Properties of Matter]
[:Demonstrations:Demonstrations]
[:Instructional:Home]