Differences between revisions 4 and 8 (spanning 4 versions)

Balls and Plate , 4A30.22

Location:

(attachment photo showing the fully set up demonstration)

Description:

Insert description of apparatus, its component, what it is demonstrating.

Equipment	Location	ID Number

A brass plate with a hole	[:ThermoCabinetBayA3: TD, A3, Shelf #1]	4A30.22
A ball	[:ThermoCabinetBayA3: TD, A3, Shelf #1]	4A30.22
Burner	location	NA
Safety grove and glasses	location	NA

Setup:

Make sure you have the balls with two sizes, the brass plate with hole in the middle, and the stand.
Demonstrate to students that the smaller ball can get through the hole and the larger ball cannot.
Heat the ball by the burner until you sure that the hole get larger than before.
Demonstrate to students again, this time both of the balls can get through the hole.

Cautions, Warnings, or Safety Concerns:

Demonstration:

When the plate is heated, it expands due to

attachment other photos	attachment other photos
attachment other photos	attachment other photos

References:

[:ThermalProperties:Thermal Properties of Matter]

[:Demonstrations:Demonstrations]

[:Instructional:Home]

-  ⇤ ← Revision 4 as of 2009-09-23 16:47:13 → 
  Size: 1289
  Editor: srnarf
  Comment:
+   ← Revision 8 as of 2009-09-29 17:04:40 → ⇥
  Size: 1546
  Editor: srnarf
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 18:
-||A metal ball||[:ThermoCabinetBayA3: TD, A3, Shelf #1]||<:> 4A30.22 ||
||Burner||location|| NA ||
||Liquid nitrogen||location|| NA ||
||Safety grove and glasses||location|| NA ||
+||A ball||[:ThermoCabinetBayA3: TD, A3, Shelf #1]||<:> 4A30.22 ||
||Burner||location||<:> NA ||
||Safety grove and glasses||location||<:>NA ||
-Line 25:
+Line 24:
-. Make a Setup check list.
 1. ...
+. Make sure you have the balls with two sizes, the brass plate with hole in the middle, and the stand.
 1. Demonstrate to students that the smaller ball can get through the hole and the larger ball cannot. 
 1. Heat the ball by the burner until you sure that the hole get larger than before.
 1. Demonstrate to students again, this time both of the balls can get through the hole.
-Line 29:
+Line 30:
-. List any Warnings....
 1. Demonstration may require practice.
+. Beware of the heated plate.
 Line 35:
-Insert description of demonstration, how is the demonstration preformed.
+When the plate is heated, it expands due to
 Line 44:
-[Insert a back link to main topic list]
+[:ThermalProperties:Thermal Properties of Matter]

fw: Diff for "BallsPlate"