It has been noticed that ice cubes in soft drinks do not melt at the same speed. Maybe it has something to do with the ice’ size and shape. In this experiment, ice cubes with the same volume but different shape or surface area will be tested so that the difference of their melting speed will be determined.


Which ice shape melts faster?



It is assumed that the half-a-sphere-shaped container will have the fastest melting rate as it has the biggest surface area. Cubes of ice with less surface area will melt slower.


  • a measuring cup (500ml)
  • cube-shaped ice container (A)
  • rectangle-shaped ice container (B)
  • half-a-sphere-shaped ice container (C)
  • 3 plastic lids
  • a measuring cup
  • a log book


  1. Gather all materials needed.
  2. Label all containers that will contain water for freezing.
  3. Place 500mL of bottled spring water in the three containers.
  4. Place the containers in the freezer carefully so no water will spill out with a temperature of 0°C.
  5. Let it freeze for 6 hours.
  6. After 6 hours have passed, take out the shaped ice and place it on the three plastic lids with the same size and shape in an open air.
  7. Measure how much time it takes to melt by using a stopwatch.
  8. When a particular ice completely melted, stop the stopwatch
  9. Record the time until all three different shapes of ice cubes melted completely.
  10. The time will serve as the baseline for the comparative analysis of data.


To determine which cubes of ice with the same volume, but with different surface area would melt faster, a comparative analysis of the time should be conducted.

With the time values recorded during the melting process, the shape of ice that melts faster will be determined.

For example:

Comparative Analysis of Melting Time

Time Started Time Finished

A         9:00 AM                      10:25   AM

B          9:00 AM                      9:47     AM

C         9:00 AM                      9:34     AM

The results of the experiment show that the ice with a half-a-sphere shape melts the fastest, followed by the rectangular shaped ice. Then the last to melt was the ice cube which has the smallest surface area.


With the results given, the hypothesis of this experiment should be accepted. The cube-shaped ice melts at the slowest rate because it has the smallest surface area, while the half-a-sphere-shaped ice melts the fastest for it has the biggest surface area. It is therefore concluded that different shapes of ice melts at a different rates and it is also dependent on each surface area.



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