Phase Changes: Liquid – Solid – 4C20.00
Hand Warmers (Heat of Crystallization) – 4C20.60
- Heat the hand warmers in boiling water until the liquid in vinyl pouches becomes clear.
- Push the piezoelectric striker.
- Observe a chemical reaction and a change of state from liquid to solid, generating heat in the process.
Location: Jacobs B122 – Shelf 284