Differences between revisions 13 and 15 (spanning 2 versions)
Revision 13 as of 2009-09-23 16:47:57
Size: 1227
Editor: srnarf
Comment:
Revision 15 as of 2009-09-23 17:02:22
Size: 1817
Editor: srnarf
Comment:
Deletions are marked like this. Additions are marked like this.
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Insert description of apparatus, its component, what it is demonstrating. Two set of a brass ring and a brass ball.
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||A ring with a set of two balls||[:ThermoCabinetBayA3: TD, A3, Shelf #1]||<:> 4A30.21 || ||Two set of a ring and a ball||[:ThermoCabinetBayA3: TD, A3, Shelf #1]||<:> 4A30.21 ||
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||Safety grove and glasses||location||<:> NA || ||Safety glove and glasses||location||<:> NA ||
Line 24: Line 24:
 1. Make a Setup check list.
 1. ...
B : Extended ball

 1. Install the burner.
 1. First demonstrate to student that the ball is smaller than the ring. So, it can get through the ring.
 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. Open the liquid nitrogen holder.
 1. First demonstrate to student that the ring is larger than the ball. So, the ball can get through the ring.
 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. Wear the safety glove and glasses.

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:

B : Extended ball

  1. Install the burner.
  2. First demonstrate to student that the ball is smaller than the ring. So, it can get through the ring.
  3. 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. Open the liquid nitrogen holder.
  2. First demonstrate to student that the ring is larger than the ball. So, the ball can get through the ring.
  3. 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:

  1. Wear the safety glove and glasses.
  2. Demonstration may require practice.

Demonstration:

Insert description of demonstration, how is the demonstration preformed.

attachment other photos

attachment other photos

attachment other photos

attachment other photos

References:

  1. List any references

[Insert a back link to main topic list]

[:Demonstrations:Demonstrations]

[:Instructional:Home]

fw: BallRing (last edited 2013-07-17 17:57:37 by srnarf)