Solder Spring – 4A40.15

- Use solder to make a spring like coil.
- Test it with small masses and observe that the coil does not have spring like properties.
- Use some extra solder to make another identical coil.
- Cool the coil in liquid nitrogen.
- After the boiling of liquid nitrogen subsides hang small masses (10Kg) from the coil and observe the spring’s properties the coil has now.

Location: Jacobs B122

Smashing a Rose in LN2 – 4A40.30

- Cool a rose in a Dewar of Liquid Nitrogen and smash it.

Location: Jacobs B122

Viscous Alcohol - 4A40.40

- A small beaker of alcohol is cooled in a liquid nitrogen bath.
- Before the alcohol freezes, it becomes quite viscous.
- Observe the viscous alcohol by pouring it into another beaker.

Location: Jacobs B122