Regelation of Ice

2 kg hang from a wire placed atop an ice cube - apparatus is hung from a ring stand; a cup of ice rests nearby

Concept Overview:

1. Phase changes due to differences in pressure

Lecturer Procedure

Step(s) to Follow	Expected Result
1. Place ice cube on block. 2. Drape wire over ice cube. 3. Hang weights from wire.	The wire will melt its way through the ice. The melted water above the wire will refreeze. After 2-10 minutes, the wire will have moved through the ice, but the ice will be solid again

Step(s) to Follow

Expected Result

1. Place ice cube on block.

2. Drape wire over ice cube.

3. Hang weights from wire.

The wire will melt its way through the ice. The melted water above the wire will refreeze. After 2-10 minutes, the wire will have moved through the ice, but the ice will be solid again

Result:

A wire is frozen in an ice cube