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Size: 1218
Comment:
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Size: 1842
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 13: | Line 13: |
| Insert description of apparatus, its component, what it is demonstrating. | Two set of a brass ring and a brass ball. |
| Line 17: | Line 17: |
| ||A ring with a set of two balls||[:ThermoCabinetBayA3: TD, A3, Shelf #1]||<:> 4A30.21 || ||Burner||location|| NA || ||Liquid nitrogen||location|| NA || ||Safety grove and glasses||location|| NA || |
||Two set of a ring and a ball||[:ThermoCabinetBayA3: TD, A3, Shelf #1]||<:> 4A30.21 || ||Burner||location||<:> NA || ||Liquid nitrogen||location||<:> NA || ||Safety glove and glasses||location||<:> NA || |
| Line 24: | Line 24: |
| 1. Make a Setup check list. 1. ... |
A : Extended ball 1. First demonstrate to student that the ball is smaller than the ring. So, it can get through the ring. 1. Install the burner. 1. Heat the ball until it expands. Demonstrate to student, this time the ball is larger than the ring. So, it cannot get through the ring. B : Shrink ring 1. First demonstrate to student that the ring is larger than the ball. So, the ball can get through the ring. 1. Open the liquid nitrogen holder. 1. Put the ring in the liquid nitrogen until you are sure that it shrinks. Demonstrate to student, this time the ring is smaller than the ball. So, it cannot get through the ring. |
| Line 28: | Line 38: |
| 1. List any Warnings.... 1. Demonstration may require practice. |
1. Wear the safety glove and glasses. 1. Beware of the heated ball and the cooled ring. |
| Line 43: | Line 53: |
| [Insert a back link to main topic list] | [:ThermalProperties:Thermal Properties of Matter] |
Ball and Ring, 4A30.21
Location:
Cabinet: Thermodynamics Cabinet
Bay: (A3)
Shelf: #1
(attachment photo showing the fully set up demonstration)
Description:
Two set of a brass ring and a brass ball.
Equipment |
Location |
ID Number |
|
|
|
Two set of a ring and a ball |
[:ThermoCabinetBayA3: TD, A3, Shelf #1] |
4A30.21 |
Burner |
location |
NA |
Liquid nitrogen |
location |
NA |
Safety glove and glasses |
location |
NA |
Setup:
A : Extended ball
- First demonstrate to student that the ball is smaller than the ring. So, it can get through the ring.
- Install the burner.
- Heat the ball until it expands. Demonstrate to student, this time the ball is larger than the ring. So, it cannot get through the ring.
B : Shrink ring
- First demonstrate to student that the ring is larger than the ball. So, the ball can get through the ring.
- Open the liquid nitrogen holder.
- Put the ring in the liquid nitrogen until you are sure that it shrinks. Demonstrate to student, this time the ring is smaller than the ball. So, it cannot get through the ring.
Cautions, Warnings, or Safety Concerns:
- Wear the safety glove and glasses.
- Beware of the heated ball and the cooled ring.
Demonstration:
Insert description of demonstration, how is the demonstration preformed.
attachment other photos |
attachment other photos |
attachment other photos |
attachment other photos |
References:
- List any references
[:ThermalProperties:Thermal Properties of Matter]
[:Demonstrations:Demonstrations]
[:Instructional:Home]