Differences between revisions 5 and 8 (spanning 3 versions)

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
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.

attachment:4A30-20_01a.jpg	attachment:4A30-20_02a.jpg
attachment other photos	attachment other photos

References:

[:ThermalProperties:Thermal Properties of Matter]

[:Demonstrations:Demonstrations]

[:Instructional:Home]

-  ⇤ ← Revision 5 as of 2009-10-02 15:42:41 → 
  Size: 1225
  Editor: srnarf
  Comment:
+   ← Revision 8 as of 2009-10-02 16:56:43 → ⇥
  Size: 1582
  Editor: srnarf
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 13:
-Insert description of apparatus, its component, what it is demonstrating.
+This demonstration has a ball and ring with stand. It demonstrates the thermal expansion of the material by heating the ball.
-Line 17:
+Line 16:
-||A ring with a set of two balls||[:ThermoCabinetBayA3: TD, A3, Shelf #1]||<:> 4A30.20 ||
||Burner||location||<:> NA ||
||Liquid nitrogen||location||<:> NA ||
+||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 ||
-Line 25:
+Line 23:
-. Make a Setup check list.
 1. ...
+. Make sure that you have all apparatus in above table.
 1. First, show students that the ball can get through the ring. 
 1. 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.
 1. Then Put the ball over the ring. This time the ball should cannot get through the ring.
 Line 29:
-. List any Warnings....
 1. Demonstration may require practice.
+. Use caution with the burner. 
 1. Wear safety glasses and grove for your safety.
 Line 35:
-Insert description of demonstration, how is the demonstration preformed.
+This demonstration show the thermal expansion property of the material.
 Line 42:
-. List any references
+  -

fw: Diff for "LBRS"

Large Ball and Ring Stand , 4A30.20