Differences between revisions 2 and 11 (spanning 9 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
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]

-  ⇤ ← Revision 2 as of 2009-09-23 16:49:59 → 
  Size: 1241
  Editor: srnarf
  Comment:
+   ← Revision 11 as of 2009-10-05 16:58:52 → ⇥
  Size: 1789
  Editor: srnarf
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 9:
-(attachment photo showing the fully set up demonstration)
+attachment:4A30-20_01.jpg
 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 ||
||An iron ring tripod and a screen||location||<:> NA ||
-Line 25:
+Line 24:
-. 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:
+Line 30:
-. List any Warnings....
 1. Demonstration may require practice.
+. Use caution with the burner. 
 1. Wear safety glasses and grove for your safety.
-Line 35:
+Line 36:
-Insert description of demonstration, how is the demonstration preformed.
+This demonstration show the thermal expansion property of the material which is the tendency of matter to change volume corresponding to the temperature changes.
-Line 37:
+Line 38:
-||attachment other photos||attachment other photos||
+||attachment:4A30-20_01a.jpg||attachment:4A30-20_02a.jpg||
-Line 42:
+Line 43:
-. List any references
+. [http://en.wikipedia.org/wiki/Thermal_expansion Wikipedia]
-Line 44:
+Line 45:
-[Insert a back link to main topic list]
+[:ThermalProperties:Thermal Properties of Matter]

fw: Diff for "LBRS"

Large Ball and Ring Stand , 4A30.20