This is a test of commonsense. Complete the next sentence:

How to make a liquid into a solid
Place a small open container of water in the freezer compartment of a class or home refrigerator.
Leave the water there for several hours or overnight.
Remove from the freezer and note what has occurred.
Water changes state from liquid to solid when it reaches a temperature of 0 degrees celsius, or 32 degrees fahrenheit. This is a simple example of changing from liquid to solid, or freezing.