- 1. Put thermometer in freezer until the temperature is known
- 2. Measure out one-eighth teaspoon of salt and pour into one ice cube slot
- 3. Repeat step 1, but add one-eighth teaspoon with each measurement. Do this for one row of the ice tray (8 ice cube slots in a row)
- 4. *Skip measuring out the 4 teaspoons of salt*
- 5. Repeat steps 1-4 using sugar
- 6. Add 3 teaspoons of water to each ice cube slot
- 7. Put in freezer
- 8. Wait until frozen
- 9. Take each cube out and place them on their own ceramic plate.
- 10. Label each plate as to which concentration it holds
- 11. Start the stop watch
- 12. Record time once each ice cube melts
- 13. Create 3 tap water cubes of 4 teaspoons
- 14. Repeat steps 7-12 with the tap water ice cubes
