Cooling Rate of Water

• Apparatus: Heater, Thermometer, Beaker, Stopwatch, Beaker containing Water.
• Procedure:

  • Place heater into beaker and turn it on to raise the temperature of water to 60°C
  • Stir the contents of the water and place thermometer into the beaker.
  • Note the starting temperature and turn on the stopwatch.
  • Take readings of the thermometer and stopwatch at regular intervals (e.g. 60 sec).
  • Draw up a table and plot a graph to conclude your experiment.